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https://github.com/CorentinTh/it-tools.git
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feat(utils): IPv4/6 Utils
Network Type, Subnets and counts, 6to4 prefix, ARPA, IPv4 Mapped Parse IP/Mask/Range as CIDR
This commit is contained in:
sharevb
ShareVB
parent
2908763346
commit
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5 changed files with 431 additions and 0 deletions
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@ -66,6 +66,7 @@
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"ip-address": "^9.0.5",
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"ip-bigint": "^8.0.2",
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"ip-cidr": "^4.0.0",
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"ip-matching": "^2.1.2",
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"is-cidr": "^5.0.3",
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"is-ip": "^5.0.1",
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"json5": "^2.2.3",
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232
src/utils/ip.test.ts
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232
src/utils/ip.test.ts
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import { describe, expect, it } from 'vitest';
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import { getIPNetworkType, getNetworksCount, getSubnets, parseAsCIDR, to6to4Prefix, toARPA, toIPv4MappedAddress, toIPv4MappedAddressDecimal } from './ip';
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describe('ipv4/6 util', () => {
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describe('parseAsCIDR', () => {
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it('returns cidr', () => {
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expect(parseAsCIDR('1.1.1.1/6')).to.eql('1.1.1.1/6');
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expect(parseAsCIDR('172.16.2.2/16')).to.eql('172.16.2.2/16');
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expect(parseAsCIDR('1a:b:c::d:e:f/ffff:ffff:f4ff:ffff:ffff:ff5f:ffff:ff00')).to.eql();
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expect(parseAsCIDR('10.1.2.3/255.255.255.252')).to.eql('10.1.2.0/30');
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expect(parseAsCIDR('10.*.0.*')).to.eql();
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expect(parseAsCIDR('10.1.0.*')).to.eql('10.1.0.0/24');
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expect(parseAsCIDR('10.2.*.*')).to.eql('10.2.0.0/16');
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expect(parseAsCIDR('a:b:0:8000::/ffff:ffff:ffff:8000::')).to.eql('a:b:0:8000::/49');
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expect(parseAsCIDR('::/::')).to.eql('::/0');
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expect(parseAsCIDR('10.20.30.64-10.20.30.127')).to.eql('10.20.30.64/26');
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expect(parseAsCIDR('10.0.128.0/255.0.128.0')).to.eql();
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expect(parseAsCIDR('a::bc:1234/128')).to.eql('a::bc:1234/128');
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expect(parseAsCIDR('a::bc:ff00-a::bc:ff0f')).to.eql('a::bc:ff00/124');
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expect(parseAsCIDR('10.0.1.1/255.255.1.0')).to.eql();
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expect(parseAsCIDR('10.0.0.0/255.255.0.0')).to.eql('10.0.0.0/16');
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});
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});
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describe('getSubnets', () => {
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it('returns subnets', () => {
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expect(getSubnets('1.1.1.1/1')).to.eql([
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'0.0.0.0/1',
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'128.0.0.0/1',
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]);
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expect(getSubnets('1.1.1.1/6')).to.eql([
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'0.0.0.0/6',
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'4.0.0.0/6',
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'8.0.0.0/6',
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'12.0.0.0/6',
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'16.0.0.0/6',
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'20.0.0.0/6',
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'24.0.0.0/6',
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'28.0.0.0/6',
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'32.0.0.0/6',
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'36.0.0.0/6',
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'40.0.0.0/6',
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'44.0.0.0/6',
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'48.0.0.0/6',
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'52.0.0.0/6',
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'56.0.0.0/6',
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'60.0.0.0/6',
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'64.0.0.0/6',
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'68.0.0.0/6',
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'72.0.0.0/6',
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'76.0.0.0/6',
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'80.0.0.0/6',
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'84.0.0.0/6',
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'88.0.0.0/6',
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'92.0.0.0/6',
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'96.0.0.0/6',
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'100.0.0.0/6',
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'104.0.0.0/6',
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'108.0.0.0/6',
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'112.0.0.0/6',
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'116.0.0.0/6',
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'120.0.0.0/6',
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'124.0.0.0/6',
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'128.0.0.0/6',
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'132.0.0.0/6',
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'136.0.0.0/6',
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'140.0.0.0/6',
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'144.0.0.0/6',
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'148.0.0.0/6',
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'152.0.0.0/6',
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'156.0.0.0/6',
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'160.0.0.0/6',
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'164.0.0.0/6',
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'168.0.0.0/6',
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'172.0.0.0/6',
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'176.0.0.0/6',
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'180.0.0.0/6',
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'184.0.0.0/6',
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'188.0.0.0/6',
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'192.0.0.0/6',
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'196.0.0.0/6',
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'200.0.0.0/6',
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'204.0.0.0/6',
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'208.0.0.0/6',
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'212.0.0.0/6',
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'216.0.0.0/6',
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'220.0.0.0/6',
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'224.0.0.0/6',
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'228.0.0.0/6',
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'232.0.0.0/6',
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'236.0.0.0/6',
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'240.0.0.0/6',
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'244.0.0.0/6',
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'248.0.0.0/6',
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'252.0.0.0/6',
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]);
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expect(getSubnets('1.1.1.1/8')).to.eql([]);
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expect(getSubnets('1.1.1.1/11')).to.eql([
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'1.0.0.0/11',
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'1.32.0.0/11',
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'1.64.0.0/11',
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'1.96.0.0/11',
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'1.128.0.0/11',
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'1.160.0.0/11',
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'1.192.0.0/11',
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'1.224.0.0/11',
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]);
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expect(getSubnets('172.16.2.2/16')).to.eql([]);
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expect(getSubnets('172.16.2.2/26')).to.eql([
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'172.16.2.0/26',
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'172.16.2.64/26',
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'172.16.2.128/26',
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'172.16.2.192/26',
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]);
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expect(getSubnets('172.16.2.2/31').length).to.eql(128);
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expect(getSubnets('255.255.255.0/32')).to.eql([]);
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expect(getSubnets('2001:db8:0:85a3::ac1f:8001/62')).to.eql([]);
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expect(getSubnets('2001:db8:0:85a3:0:0:ac1f:8001/62')).to.eql([]);
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expect(getSubnets('2001:db8:0:85a3::ac1f:8001/112')).to.eql([]);
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expect(getSubnets('2001:db8:0:85a3:0:0:ac1f:8001/112')).to.eql([]);
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});
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});
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describe('getNetworksCount', () => {
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it('returns networks count', () => {
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expect(getNetworksCount('1.1.1.1/1')).to.eql(2);
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expect(getNetworksCount('1.1.1.1/2')).to.eql(4);
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expect(getNetworksCount('1.1.1.1/3')).to.eql(8);
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expect(getNetworksCount('1.1.1.1/4')).to.eql(16);
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expect(getNetworksCount('1.1.1.1/5')).to.eql(32);
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expect(getNetworksCount('1.1.1.1/6')).to.eql(64);
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expect(getNetworksCount('1.1.1.1/7')).to.eql(128);
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expect(getNetworksCount('1.1.1.1/8')).to.eql(0);
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expect(getNetworksCount('1.1.1.1/9')).to.eql(2);
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expect(getNetworksCount('1.1.1.1/10')).to.eql(4);
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expect(getNetworksCount('1.1.1.1/11')).to.eql(8);
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expect(getNetworksCount('1.1.1.1/12')).to.eql(16);
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expect(getNetworksCount('1.1.1.1/13')).to.eql(32);
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expect(getNetworksCount('1.1.1.1/14')).to.eql(64);
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expect(getNetworksCount('1.1.1.1/15')).to.eql(128);
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expect(getNetworksCount('1.1.1.1/16')).to.eql(0);
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expect(getNetworksCount('1.1.1.1/17')).to.eql(2);
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expect(getNetworksCount('1.1.1.1/18')).to.eql(4);
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expect(getNetworksCount('1.1.1.1/19')).to.eql(8);
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expect(getNetworksCount('1.1.1.1/20')).to.eql(16);
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expect(getNetworksCount('1.1.1.1/21')).to.eql(32);
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expect(getNetworksCount('1.1.1.1/22')).to.eql(64);
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expect(getNetworksCount('1.1.1.1/23')).to.eql(128);
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expect(getNetworksCount('1.1.1.1/24')).to.eql(0);
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expect(getNetworksCount('1.1.1.1/25')).to.eql(2);
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expect(getNetworksCount('1.1.1.1/26')).to.eql(4);
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expect(getNetworksCount('1.1.1.1/27')).to.eql(8);
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expect(getNetworksCount('1.1.1.1/28')).to.eql(16);
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expect(getNetworksCount('1.1.1.1/29')).to.eql(32);
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expect(getNetworksCount('1.1.1.1/30')).to.eql(64);
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expect(getNetworksCount('1.1.1.1/31')).to.eql(128);
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expect(getNetworksCount('1.1.1.1/32')).to.eql(0);
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expect(getNetworksCount('2001:db8:0:85a3::ac1f:8001/32')).to.eql(4294967296n);
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expect(getNetworksCount('2001:db8:0:85a3::ac1f:8001/42')).to.eql(4194304n);
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expect(getNetworksCount('2001:db8:0:85a3:0:0:ac1f:8001/62')).to.eql(4n);
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expect(getNetworksCount('2001:db8:0:85a3::ac1f:8001/112')).to.eql(-1);
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expect(getNetworksCount('2001:db8:0:85a3:0:0:ac1f:8001/122')).to.eql(-1);
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});
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});
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describe('getIPNetworkType', () => {
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it('returns network type', () => {
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expect(getIPNetworkType('1.1.1.1')).to.eql('Public');
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expect(getIPNetworkType('10.10.1.1')).to.eql('Private Use');
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expect(getIPNetworkType('172.16.0.1')).to.eql('Private Use');
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expect(getIPNetworkType('192.168.1.1')).to.eql('Private Use');
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expect(getIPNetworkType('255.255.255.0')).to.eql('Reserved');
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expect(getIPNetworkType('224.0.0.1')).to.eql('Multicast');
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expect(getIPNetworkType('198.51.100.1')).to.eql('Documentation (TEST-NET-2)');
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expect(getIPNetworkType('198.18.0.1')).to.eql('Benchmarking');
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expect(getIPNetworkType('169.254.0.1')).to.eql('Link Local');
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expect(getIPNetworkType('127.0.0.1')).to.eql('Loopback');
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expect(getIPNetworkType('2001:db8:8:4::2')).to.eql('Documentation');
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expect(getIPNetworkType('FF02::2')).to.eql('Multicast address');
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expect(getIPNetworkType('2345:0425:2CA1:0000:0000:0567:5673:23b5')).to.eql('Public');
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expect(getIPNetworkType('fdf8:f53b:82e4::53')).to.eql('Unique-Local');
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expect(getIPNetworkType('::ffff:192.0.2.47')).to.eql('IPv4-mapped Address');
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expect(getIPNetworkType('::ffff:ac12:0a09')).to.eql('IPv4-mapped Address');
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expect(getIPNetworkType('::1')).to.eql('Loopback Address');
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expect(getIPNetworkType('fe80::200:5aee:feaa:20a2')).to.eql('Link-Local Unicast');
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expect(getIPNetworkType('2001:0002::6c::430')).to.eql('Benchmarking');
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expect(getIPNetworkType('2001:0000:4136:e378:8000:63bf:3fff:fdd2')).to.eql('TEREDO');
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expect(getIPNetworkType('2002:cb0a:3cdd:1::1')).to.eql('6to4');
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expect(getIPNetworkType('ff01:0:0:0:0:0:0:2')).to.eql('Multicast address');
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});
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});
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describe('toARPA', () => {
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it('returns ARPA address', () => {
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expect(toARPA('1.1.1.1')).to.eql('1.1.1.1.in-addr.arpa');
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expect(toARPA('10.10.1.1')).to.eql('1.1.10.10.in-addr.arpa');
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expect(toARPA('192.168.1.1')).to.eql('1.1.168.192.in-addr.arpa');
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expect(toARPA('255.255.255.0')).to.eql('0.255.255.255.in-addr.arpa');
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expect(toARPA('FF02::2')).to.eql('2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.');
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expect(toARPA('2345:0425:2CA1:0000:0000:0567:5673:23b5')).to.eql('5.b.3.2.3.7.6.5.7.6.5.0.0.0.0.0.0.0.0.0.1.a.c.2.5.2.4.0.5.4.3.2.ip6.arpa.');
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expect(toARPA('fdf8:f53b:82e4::53')).to.eql('3.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.e.2.8.b.3.5.f.8.f.d.f.ip6.arpa.');
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expect(toARPA('::ffff:192.0.2.47')).to.eql('f.2.2.0.0.0.0.c.f.f.f.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.');
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expect(toARPA('::1')).to.eql('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.');
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});
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});
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describe('toIPv4MappedAddress', () => {
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it('returns IPv4MappedAddress', () => {
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expect(toIPv4MappedAddress('1.1.1.1')).to.eql('::ffff:0101:0101');
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expect(toIPv4MappedAddress('10.10.1.1')).to.eql('::ffff:0a0a:0101');
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expect(toIPv4MappedAddress('172.18.10.9')).to.eql('::ffff:ac12:0a09');
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expect(toIPv4MappedAddress('192.168.1.1')).to.eql('::ffff:c0a8:0101');
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expect(toIPv4MappedAddress('255.255.255.0')).to.eql('::ffff:ffff:ff00');
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});
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});
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describe('toIPv4MappedAddressDecimal', () => {
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it('returns networks count', () => {
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expect(toIPv4MappedAddressDecimal('1.1.1.1')).to.eql('::ffff:1.1.1.1');
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expect(toIPv4MappedAddressDecimal('10.10.1.1')).to.eql('::ffff:10.10.1.1');
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expect(toIPv4MappedAddressDecimal('192.168.1.1')).to.eql('::ffff:192.168.1.1');
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expect(toIPv4MappedAddressDecimal('172.18.10.9')).to.eql('::ffff:172.18.10.9');
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expect(toIPv4MappedAddressDecimal('255.255.255.0')).to.eql('::ffff:255.255.255.0');
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expect(toIPv4MappedAddressDecimal('2001:db8:0:85a3::ac1f:8001')).to.eql('');
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});
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});
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describe('to6to4Prefix', () => {
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it('returns networks count', () => {
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expect(to6to4Prefix('1.1.1.1')).to.eql('2002:01:0:1:01:01::/48');
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expect(to6to4Prefix('10.10.1.1')).to.eql('2002:0a:0:a:01:01::/48');
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expect(to6to4Prefix('172.18.10.9')).to.eql('2002:ac:1:2:0a:09::/48');
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expect(to6to4Prefix('192.168.1.1')).to.eql('2002:c0:a:8:01:01::/48');
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expect(to6to4Prefix('255.255.255.0')).to.eql('2002:ff:f:f:ff:00::/48');
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expect(to6to4Prefix('2001:db8:0:85a3::ac1f:8001')).to.eql('');
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});
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});
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});
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147
src/utils/ip.ts
Normal file
147
src/utils/ip.ts
Normal file
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import { isIPv4 } from 'is-ip';
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import { Address4, Address6 } from 'ip-address';
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import { contains as containsCidr } from 'cidr-tools';
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import type { IPMatch } from 'ip-matching';
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import { IPMask, IPSubnetwork, getMatch } from 'ip-matching';
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import isCidr from 'is-cidr';
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import ipv4registry from './ipv4registry.json';
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import ipv6registry from './ipv6registry.json';
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const IPv4MAX = (BigInt(2) ** BigInt(32)) - BigInt(1);
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// IP range specific information, see IANA allocations.
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// http://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
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const _ipv4Registry = new Map(ipv4registry.map(v => [v[0] as string, v[1]]));
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// https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
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const _ipv6Registry = new Map(ipv6registry.map(v => [v[0] as string, v[1]]));
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export function parseAsCIDR(form: string) {
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if (isCidr(form)) {
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return form;
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}
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const ipMatch: IPMatch = getMatch(form);
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if (ipMatch instanceof IPSubnetwork) {
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return (ipMatch as IPSubnetwork).toString();
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}
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if (ipMatch instanceof IPMask) {
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return (ipMatch as IPMask).convertToSubnet()?.toString();
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}
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return (ipMatch.convertToMasks() || [])[0]?.convertToSubnet()?.toString();
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}
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export function getSubnets(cidr: string) {
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const [address, prefix] = cidr.split('/');
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if (isIPv4(address)) {
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const prefix4Int = Number(prefix || '32');
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const getMask = (prefix: number) => (IPv4MAX >> (BigInt(32) - BigInt(prefix))) << (BigInt(32) - BigInt(prefix));
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const bigInt = BigInt((new Address4(address)).bigInteger());
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const subnets = [];
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let startNetwork;
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||||
if (prefix4Int < 8) {
|
||||
startNetwork = 0;
|
||||
}
|
||||
if (prefix4Int % 8 === 0) {
|
||||
return [];
|
||||
}
|
||||
startNetwork = bigInt & getMask(prefix4Int);
|
||||
const increment = BigInt(2) ** BigInt(32 - prefix4Int);
|
||||
const netCount = getNetworksCount(cidr);
|
||||
for (let netIndex = 0; netIndex < netCount; netIndex += 1) {
|
||||
const netAddr = Address4.fromBigInteger(startNetwork.toString()).correctForm();
|
||||
subnets.push(`${netAddr}/${prefix4Int}`);
|
||||
startNetwork += increment;
|
||||
}
|
||||
return subnets;
|
||||
}
|
||||
|
||||
return [];
|
||||
}
|
||||
|
||||
export function getNetworksCount(cidr: string) {
|
||||
const [address, prefix] = cidr.split('/');
|
||||
if (isIPv4(address)) {
|
||||
const prefix4Int = Number(prefix || '32');
|
||||
|
||||
if (prefix4Int % 8 === 0) {
|
||||
return 0;
|
||||
}
|
||||
else if (prefix4Int < 8) {
|
||||
return 2 ** prefix4Int;
|
||||
}
|
||||
else if (prefix4Int < 16) {
|
||||
return 2 ** (prefix4Int - 8);
|
||||
}
|
||||
else if (prefix4Int < 24) {
|
||||
return 2 ** (prefix4Int - 16);
|
||||
}
|
||||
else {
|
||||
return 2 ** (prefix4Int - 24);
|
||||
}
|
||||
}
|
||||
|
||||
const prefix6Int = Number(prefix || '128');
|
||||
return prefix6Int <= 64 ? (BigInt(2) ** BigInt(64n - BigInt(prefix6Int))) : -1;
|
||||
}
|
||||
|
||||
export function getIPNetworkType(address: string) {
|
||||
const results = [];
|
||||
for (const [addr, info] of (isIPv4(address) ? _ipv4Registry : _ipv6Registry).entries()) {
|
||||
const found = containsCidr([`${addr}/${Number(info[0])}`], address);
|
||||
if (found) {
|
||||
results.unshift(info[1]);
|
||||
}
|
||||
}
|
||||
return results.length === 0 ? 'Public' : results[0]?.toString();
|
||||
}
|
||||
|
||||
export function toARPA(address: string) {
|
||||
if (isIPv4(address)) {
|
||||
const bigInt = BigInt((new Address4(address)).bigInteger());
|
||||
const reverseIP = (
|
||||
[(bigInt & BigInt(255)), (bigInt >> BigInt(8) & BigInt(255)),
|
||||
(bigInt >> BigInt(16) & BigInt(255)),
|
||||
(bigInt >> BigInt(24) & BigInt(255)),
|
||||
].join('.')
|
||||
);
|
||||
return `${reverseIP}.in-addr.arpa`;
|
||||
}
|
||||
|
||||
return (new Address6(address)).reverseForm();
|
||||
}
|
||||
|
||||
export function toIPv4MappedAddress(address: string) {
|
||||
if (!isIPv4(address)) {
|
||||
return '';
|
||||
}
|
||||
|
||||
const hexIP = (new Address4(address)).toHex().replace(/:/g, '');
|
||||
return `::ffff:${hexIP.substring(0, 4)}:${hexIP.substring(4)}`;
|
||||
}
|
||||
|
||||
export function toIPv4MappedAddressDecimal(address: string) {
|
||||
if (!isIPv4(address)) {
|
||||
return '';
|
||||
}
|
||||
|
||||
return `::ffff:${address}`;
|
||||
}
|
||||
|
||||
export function to6to4Prefix(address: string) {
|
||||
if (!isIPv4(address)) {
|
||||
return '';
|
||||
}
|
||||
|
||||
const hexIP = (new Address4(address)).toHex();
|
||||
return `2002:${hexIP.substring(0, 4)}:${hexIP.substring(4)}::/48`;
|
||||
}
|
||||
|
||||
export function toMicrosoftTranscription(address: string) {
|
||||
if (!isIPv4(address)) {
|
||||
return '';
|
||||
}
|
||||
|
||||
return (new Address6(address)).microsoftTranscription();
|
||||
}
|
||||
27
src/utils/ipv4registry.json
Normal file
27
src/utils/ipv4registry.json
Normal file
|
|
@ -0,0 +1,27 @@
|
|||
[
|
||||
["0.0.0.0", [8, "This host on this network"]],
|
||||
["10.0.0.0", [8, "Private Use"]],
|
||||
["100.64.0.0", [10, "Shared Address Space"]],
|
||||
["127.0.0.0", [8, "Loopback"]],
|
||||
["169.254.0.0", [16, "Link Local"]],
|
||||
["172.16.0.0", [12, "Private Use"]],
|
||||
["192.0.0.0", [24, "IETF Protocol Assignments"]],
|
||||
["192.0.0.0", [29, "IPv4 Service Continuity Prefix"]],
|
||||
["192.0.0.8", [32, "IPv4 dummy address"]],
|
||||
["192.0.0.9", [32, "Port Control Protocol Anycast"]],
|
||||
["192.0.0.10", [32, "Traversal Using Relays around NAT Anycast"]],
|
||||
["192.0.0.170", [32, "NAT64/DNS64 Discovery"]],
|
||||
["192.0.0.171", [32, "NAT64/DNS64 Discovery"]],
|
||||
["192.0.2.0", [24, "Documentation (TEST-NET-1)"]],
|
||||
["192.31.196.0", [24, "AS112-v4"]],
|
||||
["192.52.193.0", [24, "AMT"]],
|
||||
["192.88.99.0", [24, "Deprecated (6to4 Relay Anycast)"]],
|
||||
["192.168.0.0", [16, "Private Use"]],
|
||||
["192.175.48.0", [24, "Direct Delegation AS112 Service"]],
|
||||
["198.18.0.0", [15, "Benchmarking"]],
|
||||
["198.51.100.0", [24, "Documentation (TEST-NET-2)"]],
|
||||
["203.0.113.0", [24, "Documentation (TEST-NET-3)"]],
|
||||
["224.0.0.0", [24, "Multicast"]],
|
||||
["240.0.0.0", [4, "Reserved"]],
|
||||
["255.255.255.255", [32, "Limited Broadcast"]]
|
||||
]
|
||||
24
src/utils/ipv6registry.json
Normal file
24
src/utils/ipv6registry.json
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
[
|
||||
["::1", [128, "Loopback Address"]],
|
||||
["::", [128, "Unspecified Address"]],
|
||||
["::ffff::", [96, "IPv4-mapped Address"]],
|
||||
["64:ff9b::", [96, "IPv4-IPv6 Translat."]],
|
||||
["64:ff9b:1::", [48, "IPv4-IPv6 Translat."]],
|
||||
["100::", [64, "Discard-Only Address Block"]],
|
||||
["2001::", [23, "IETF Protocol Assignments"]],
|
||||
["2001::", [32, "TEREDO"]],
|
||||
["2001:1::1", [128, "Port Control Protocol Anycast"]],
|
||||
["2001:1::2", [128, "Traversal Using Relays around NAT Anycast"]],
|
||||
["2001:2::", [48, "Benchmarking"]],
|
||||
["2001:3::", [32, "AMT"]],
|
||||
["2001:4:112::", [48, "AS112-v6"]],
|
||||
["2001:5::", [32, "EID Space for LISP (Managed by RIPE NCC)"]],
|
||||
["2001:10::", [28, "Deprecated (previously ORCHID)"]],
|
||||
["2001:20::", [28, "ORCHIDv2"]],
|
||||
["2001:db8::", [32, "Documentation"]],
|
||||
["2002::", [16, "6to4"]],
|
||||
["2620:4f:8000::", [48, "Direct Delegation AS112 Service"]],
|
||||
["fc00::", [7, "Unique-Local"]],
|
||||
["fe80::", [10, "Link-Local Unicast"]],
|
||||
["ff00::", [8, "Multicast address"]]
|
||||
]
|
||||
Loading…
Add table
Add a link
Reference in a new issue