ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.65B
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.187.127.0 – 204.187.127.255 | 256 |  CA |
allocated | 1994-11-07 | d45c5fc05f4b… |
| 204.187.128.0 – 204.187.128.255 | 256 | CA |
allocated | 1994-11-07 | b69ea92b904c… |
| 204.187.130.0 – 204.187.131.255 | 512 | CA |
allocated | 1994-11-07 | acd48781ba89… |
| 204.187.132.0 – 204.187.132.255 | 256 | CA |
allocated | 1994-11-07 | a23f87dcbe6d… |
| 204.187.133.0 – 204.187.133.255 | 256 | CA |
allocated | 1994-11-07 | 0c8f47ba0eba… |
| 204.187.134.0 – 204.187.134.255 | 256 | CA |
allocated | 1994-11-07 | d1e8b2bd17a2… |
| 204.187.135.0 – 204.187.135.255 | 256 | CA |
allocated | 1994-11-07 | e60b4854b44c… |
| 204.187.137.0 – 204.187.137.255 | 256 | CA |
allocated | 1994-11-07 | 990fec0c7987… |
| 204.187.139.0 – 204.187.139.255 | 256 | CA |
allocated | 1994-11-07 | 9f217750338d… |
| 204.187.140.0 – 204.187.140.255 | 256 | CA |
allocated | 1994-11-07 | 992d45bf6e09… |
| 204.187.141.0 – 204.187.141.255 | 256 | CA |
allocated | 1994-11-07 | f63b55086f40… |
| 204.187.142.0 – 204.187.143.255 | 512 | CA |
allocated | 1994-11-07 | f63b55086f40… |
| 204.187.144.0 – 204.187.144.255 | 256 | CA |
allocated | 1994-11-07 | 711cdad7f8c1… |
| 204.187.145.0 – 204.187.145.255 | 256 | CA |
allocated | 1994-11-07 | 8c83cd4175b7… |
| 204.187.146.0 – 204.187.147.255 | 512 | CA |
allocated | 1994-11-07 | 8c83cd4175b7… |
| 204.187.148.0 – 204.187.151.255 | 1,024 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.152.0 – 204.187.153.255 | 512 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.154.0 – 204.187.154.255 | 256 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.155.0 – 204.187.155.255 | 256 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.156.0 – 204.187.159.255 | 1,024 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.160.0 – 204.187.191.255 | 8,192 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.192.0 – 204.187.223.255 | 8,192 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.224.0 – 204.187.239.255 | 4,096 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.240.0 – 204.187.247.255 | 2,048 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.248.0 – 204.187.251.255 | 1,024 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.252.0 – 204.187.253.255 | 512 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.254.0 – 204.187.254.255 | 256 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 169.134.0.0 – 169.134.255.255 | 65,536 |  US |
allocated | 1994-11-04 | 94ddde84e21b… |
| 169.135.0.0 – 169.135.255.255 | 65,536 | US |
allocated | 1994-11-04 | 9e46ab47277f… |
| 169.136.0.0 – 169.136.31.255 | 8,192 | US |
allocated | 1994-11-04 | dc24149ecdee… |
| 169.136.224.0 – 169.136.255.255 | 8,192 | US |
allocated | 1994-11-04 | dc24149ecdee… |
| 170.198.0.0 – 170.198.255.255 | 65,536 | US |
allocated | 1994-11-04 | ad8851b73b1e… |
| 199.254.241.0 – 199.254.241.255 | 256 | US |
allocated | 1994-11-04 | e1faffb3e614… |
| 199.254.242.0 – 199.254.242.255 | 256 | US |
allocated | 1994-11-04 | 9111ef1a08bf… |
| 199.254.243.0 – 199.254.243.255 | 256 | US |
allocated | 1994-11-04 | 7a930d9906ad… |
| 199.254.244.0 – 199.254.244.255 | 256 | US |
allocated | 1994-11-04 | 31d6e502f5a7… |
| 199.254.245.0 – 199.254.245.255 | 256 | US |
allocated | 1994-11-04 | dd1bdf6f6de9… |
| 199.254.246.0 – 199.254.246.255 | 256 | US |
allocated | 1994-11-04 | fdd4c23d2e1e… |
| 204.108.64.0 – 204.108.127.255 | 16,384 | US |
allocated | 1994-11-04 | 7cbbc5b04e6a… |
| 204.109.128.0 – 204.109.255.255 | 32,768 | US |
allocated | 1994-11-04 | eee4911c1d68… |
| 204.184.0.0 – 204.185.255.255 | 131,072 | US |
allocated | 1994-11-04 | 1a7054c73e69… |
| 204.186.0.0 – 204.186.255.255 | 65,536 | US |
allocated | 1994-11-04 | 021224fdeb63… |
| 199.254.225.0 – 199.254.225.255 | 256 | US |
allocated | 1994-11-03 | a5f733e8c8be… |
| 199.254.226.0 – 199.254.226.255 | 256 | US |
allocated | 1994-11-03 | abd3d9b1ae33… |
| 199.254.227.0 – 199.254.227.255 | 256 | US |
allocated | 1994-11-03 | 7e28288b54ae… |
| 199.254.228.0 – 199.254.228.255 | 256 | US |
allocated | 1994-11-03 | 6f19acefe78b… |
| 199.254.230.0 – 199.254.230.255 | 256 | US |
allocated | 1994-11-03 | 6d45068aa074… |
| 199.254.231.0 – 199.254.231.255 | 256 | US |
allocated | 1994-11-03 | 94922dd6e59d… |
| 199.254.232.0 – 199.254.232.255 | 256 | US |
allocated | 1994-11-03 | cb1ae603a5cd… |
| 199.254.233.0 – 199.254.233.255 | 256 | US |
allocated | 1994-11-03 | ec00392cb273… |
| 199.254.234.0 – 199.254.234.255 | 256 | US |
allocated | 1994-11-03 | fbcd3d527713… |
| 199.254.236.0 – 199.254.236.255 | 256 | US |
allocated | 1994-11-03 | e164b6381bfa… |
| 199.254.237.0 – 199.254.237.255 | 256 | US |
allocated | 1994-11-03 | e7eee3ab7cf2… |
| 199.254.239.0 – 199.254.239.255 | 256 | US |
allocated | 1994-11-03 | c9113552499d… |
| 199.254.240.0 – 199.254.240.255 | 256 | US |
allocated | 1994-11-03 | 8d672d4ab549… |
| 204.107.213.0 – 204.107.213.255 | 256 | US |
allocated | 1994-11-03 | 4fa02089a4d9… |
| 204.107.214.0 – 204.107.214.255 | 256 | US |
allocated | 1994-11-03 | bd70fa401b58… |
| 204.107.215.0 – 204.107.215.255 | 256 | US |
allocated | 1994-11-03 | 5b867c855c25… |
| 204.107.217.0 – 204.107.217.255 | 256 | US |
allocated | 1994-11-03 | f085860fbf31… |
| 204.107.218.0 – 204.107.218.255 | 256 | US |
allocated | 1994-11-03 | 908b1be0ba63… |
| 204.107.219.0 – 204.107.219.255 | 256 | US |
allocated | 1994-11-03 | 19104633f8c6… |
| 204.107.220.0 – 204.107.220.255 | 256 | US |
allocated | 1994-11-03 | 4cfb5eb6c9f0… |
| 204.107.221.0 – 204.107.221.255 | 256 | US |
allocated | 1994-11-03 | f07fa492f47b… |
| 204.107.222.0 – 204.107.222.255 | 256 | US |
allocated | 1994-11-03 | 7f092f6e9749… |
| 204.152.34.0 – 204.152.35.255 | 512 | US |
allocated | 1994-11-03 | 1e4ef015c4d9… |
| 204.153.76.0 – 204.153.79.255 | 1,024 | US |
allocated | 1994-11-03 | 3a409250aa8e… |
| 204.153.80.0 – 204.153.83.255 | 1,024 | US |
allocated | 1994-11-03 | 73140e517da1… |
| 204.153.84.0 – 204.153.87.255 | 1,024 | US |
allocated | 1994-11-03 | f1ee0b88a788… |
| 204.153.88.0 – 204.153.91.255 | 1,024 | US |
allocated | 1994-11-03 | 9a65a87e3abf… |
| 204.154.184.0 – 204.154.191.255 | 2,048 | US |
allocated | 1994-11-03 | a8d01cd9eabe… |
| 204.155.144.0 – 204.155.159.255 | 4,096 | US |
allocated | 1994-11-03 | af4e41ea70cd… |
| 169.133.0.0 – 169.133.255.255 | 65,536 | US |
allocated | 1994-11-02 | b1e70f03535c… |
| 199.254.218.0 – 199.254.218.255 | 256 | US |
allocated | 1994-11-02 | 18b91283e195… |
| 199.254.219.0 – 199.254.219.255 | 256 | US |
allocated | 1994-11-02 | f2b30e34ee66… |
| 199.254.220.0 – 199.254.220.255 | 256 | US |
allocated | 1994-11-02 | a4b864981c81… |
| 199.254.221.0 – 199.254.221.255 | 256 | US |
allocated | 1994-11-02 | 443dc0c8dbc6… |
| 199.254.222.0 – 199.254.222.255 | 256 | US |
allocated | 1994-11-02 | 20851923178a… |
| 199.254.223.0 – 199.254.223.255 | 256 | US |
allocated | 1994-11-02 | 178d9ec88ca8… |
| 204.110.208.0 – 204.110.215.255 | 2,048 | US |
allocated | 1994-11-02 | e003edef44ea… |
| 204.110.216.0 – 204.110.217.255 | 512 | US |
allocated | 1994-11-02 | e003edef44ea… |
| 204.126.74.0 – 204.126.75.255 | 512 | US |
allocated | 1994-11-02 | dfbeaa6c0680… |
| 169.131.0.0 – 169.131.255.255 | 65,536 | US |
allocated | 1994-11-01 | b89440e405b5… |
| 169.132.0.0 – 169.132.255.255 | 65,536 | US |
allocated | 1994-11-01 | 278d3043dbec… |
| 199.254.216.0 – 199.254.216.255 | 256 | US |
allocated | 1994-11-01 | 04b84ff8cceb… |
| 199.254.217.0 – 199.254.217.255 | 256 | US |
allocated | 1994-11-01 | 7710f9181221… |
| 204.107.199.0 – 204.107.199.255 | 256 | US |
allocated | 1994-11-01 | 5b88cabff41b… |
| 204.107.200.0 – 204.107.200.255 | 256 | US |
allocated | 1994-11-01 | 8149241deea6… |
| 204.107.201.0 – 204.107.201.255 | 256 | US |
allocated | 1994-11-01 | 8d9ed68cd1bf… |
| 204.107.202.0 – 204.107.202.255 | 256 | US |
allocated | 1994-11-01 | 0e9417ccc322… |
| 204.107.203.0 – 204.107.203.255 | 256 | US |
allocated | 1994-11-01 | bf47623a7817… |
| 204.107.205.0 – 204.107.205.255 | 256 | US |
allocated | 1994-11-01 | d23d8ae2e399… |
| 204.107.206.0 – 204.107.206.255 | 256 | US |
allocated | 1994-11-01 | deaca24ccba1… |
| 204.107.207.0 – 204.107.207.255 | 256 | US |
allocated | 1994-11-01 | 4a0555ab378d… |
| 204.107.208.0 – 204.107.208.255 | 256 | US |
allocated | 1994-11-01 | 1e40e9eb050a… |
| 204.107.209.0 – 204.107.209.255 | 256 | US |
allocated | 1994-11-01 | 6af3dbdad10c… |
| 204.107.212.0 – 204.107.212.255 | 256 | US |
allocated | 1994-11-01 | ccc90121f86e… |
| 204.110.192.0 – 204.110.207.255 | 4,096 | US |
allocated | 1994-11-01 | 7710f9181221… |
| 204.152.30.0 – 204.152.31.255 | 512 | US |
allocated | 1994-11-01 | e220ed812a4c… |
| 204.152.32.0 – 204.152.33.255 | 512 | US |
allocated | 1994-11-01 | bee49aa9680c… |
| 204.154.176.0 – 204.154.183.255 | 2,048 | US |
allocated | 1994-11-01 | bd8da0bffa1d… |