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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.44.240.0 – 204.44.255.255 | 4,096 |  US |
allocated | 1995-02-16 | 92827669a282… |
| 204.58.200.0 – 204.58.203.255 | 1,024 | US |
allocated | 1995-02-16 | 575da8eecaaa… |
| 204.58.204.0 – 204.58.207.255 | 1,024 | US |
allocated | 1995-02-16 | 16d38a08c125… |
| 204.58.208.0 – 204.58.211.255 | 1,024 | US |
allocated | 1995-02-16 | a781d05b94e1… |
| 204.58.212.0 – 204.58.215.255 | 1,024 | US |
allocated | 1995-02-16 | 685fbb479e60… |
| 204.58.216.0 – 204.58.219.255 | 1,024 | US |
allocated | 1995-02-16 | 9d757a27868c… |
| 204.80.240.0 – 204.80.240.255 | 256 | US |
allocated | 1995-02-16 | 55384e532aa8… |
| 204.80.241.0 – 204.80.241.255 | 256 | US |
allocated | 1995-02-16 | fcbf8c31a2bf… |
| 204.80.242.0 – 204.80.242.255 | 256 | US |
allocated | 1995-02-16 | ed34573a04ed… |
| 204.80.243.0 – 204.80.243.255 | 256 | US |
allocated | 1995-02-16 | 02b05fef7322… |
| 204.80.245.0 – 204.80.245.255 | 256 | US |
allocated | 1995-02-16 | c86fe8484751… |
| 204.80.246.0 – 204.80.246.255 | 256 | US |
allocated | 1995-02-16 | c1916e173b26… |
| 204.80.248.0 – 204.80.248.255 | 256 | US |
allocated | 1995-02-16 | d7c86215c864… |
| 132.189.0.0 – 132.189.255.255 | 65,536 | US |
allocated | 1995-02-15 | e5dfd5f6f635… |
| 204.128.195.0 – 204.128.195.255 | 256 | US |
allocated | 1995-02-15 | 83639a23fa0c… |
| 204.128.196.0 – 204.128.196.255 | 256 | US |
allocated | 1995-02-15 | 891f01253d42… |
| 204.128.197.0 – 204.128.197.255 | 256 | US |
allocated | 1995-02-15 | ec38aa25111e… |
| 204.128.199.0 – 204.128.199.255 | 256 | US |
allocated | 1995-02-15 | e55d6aff6b80… |
| 204.128.200.0 – 204.128.200.255 | 256 | US |
allocated | 1995-02-15 | b467d911df49… |
| 204.128.201.0 – 204.128.201.255 | 256 | US |
allocated | 1995-02-15 | 3e416c90881c… |
| 204.128.202.0 – 204.128.202.255 | 256 | US |
allocated | 1995-02-15 | f6caceb4e405… |
| 204.128.203.0 – 204.128.203.255 | 256 | US |
allocated | 1995-02-15 | 545a80c6b1ae… |
| 204.153.244.0 – 204.153.247.255 | 1,024 | US |
allocated | 1995-02-15 | e9ad7bb18e02… |
| 204.153.248.0 – 204.153.255.255 | 2,048 | US |
allocated | 1995-02-15 | 30a77f078622… |
| 204.245.192.0 – 204.245.255.255 | 16,384 | US |
allocated | 1995-02-15 | 9f14454567a6… |
| 204.246.192.0 – 204.246.255.255 | 16,384 | US |
allocated | 1995-02-15 | e5e3b9c13678… |
| 205.137.0.0 – 205.137.15.255 | 4,096 | US |
allocated | 1995-02-15 | 622c9c616c38… |
| 205.137.16.0 – 205.137.31.255 | 4,096 | US |
allocated | 1995-02-15 | 229bd77a7ce2… |
| 205.138.0.0 – 205.139.255.255 | 131,072 | US |
allocated | 1995-02-15 | cdb7d42057bd… |
| 205.140.0.0 – 205.140.127.255 | 32,768 | US |
allocated | 1995-02-15 | cdb7d42057bd… |
| 205.140.128.0 – 205.140.159.255 | 8,192 | US |
allocated | 1995-02-15 | cdb7d42057bd… |
| 205.140.160.0 – 205.140.175.255 | 4,096 | US |
allocated | 1995-02-15 | cdb7d42057bd… |
| 205.140.176.0 – 205.140.191.255 | 4,096 | US |
allocated | 1995-02-15 | 8d94230a2495… |
| 205.140.192.0 – 205.140.255.255 | 16,384 | US |
allocated | 1995-02-15 | cdb7d42057bd… |
| 205.141.0.0 – 205.141.63.255 | 16,384 | US |
allocated | 1995-02-15 | 91edd5bf8478… |
| 192.157.128.0 – 192.157.128.255 | 256 | US |
allocated | 1995-02-14 | 6be328e56f67… |
| 192.157.163.0 – 192.157.163.255 | 256 | US |
allocated | 1995-02-14 | 60bd642d49d1… |
| 192.157.164.0 – 192.157.164.255 | 256 |  CA |
allocated | 1995-02-14 | ec13ef089f77… |
| 192.157.173.0 – 192.157.173.255 | 256 | CA |
allocated | 1995-02-14 | cf11da476a9f… |
| 192.157.175.0 – 192.157.175.255 | 256 | US |
allocated | 1995-02-14 | 01ded2cfbf92… |
| 192.157.177.0 – 192.157.177.255 | 256 | US |
allocated | 1995-02-14 | b932558eb528… |
| 192.157.178.0 – 192.157.179.255 | 512 | US |
allocated | 1995-02-14 | b932558eb528… |
| 192.157.180.0 – 192.157.183.255 | 1,024 | US |
allocated | 1995-02-14 | b932558eb528… |
| 192.157.184.0 – 192.157.184.255 | 256 | US |
allocated | 1995-02-14 | 5dc9ad360991… |
| 192.157.186.0 – 192.157.186.255 | 256 | US |
allocated | 1995-02-14 | acfc4932ac54… |
| 192.157.188.0 – 192.157.188.255 | 256 | US |
allocated | 1995-02-14 | 6148defd4483… |
| 204.77.143.0 – 204.77.143.255 | 256 | US |
allocated | 1995-02-14 | 8cdcc93f429c… |
| 204.77.144.0 – 204.77.144.255 | 256 | US |
allocated | 1995-02-14 | 8cdcc93f429c… |
| 199.233.80.0 – 199.233.80.255 | 256 | US |
allocated | 1995-02-13 | 5a5a068b8a08… |
| 204.235.224.0 – 204.235.239.255 | 4,096 | US |
allocated | 1995-02-13 | ba2585855155… |
| 204.238.18.0 – 204.238.18.255 | 256 | US |
allocated | 1995-02-13 | d1fbbef574e5… |
| 204.238.19.0 – 204.238.19.255 | 256 | US |
allocated | 1995-02-13 | 9e46ab47277f… |
| 204.238.20.0 – 204.238.20.255 | 256 | US |
allocated | 1995-02-13 | f1023704c8a9… |
| 204.246.64.0 – 204.246.127.255 | 16,384 | US |
allocated | 1995-02-13 | c34b50e11190… |
| 205.135.0.0 – 205.135.255.255 | 65,536 | US |
allocated | 1995-02-13 | 86099c8658e7… |
| 205.136.0.0 – 205.136.255.255 | 65,536 | US |
allocated | 1995-02-13 | cdb7d42057bd… |
| 170.212.0.0 – 170.212.255.255 | 65,536 | US |
allocated | 1995-02-10 | a081673234f1… |
| 170.213.0.0 – 170.213.255.255 | 65,536 | US |
allocated | 1995-02-10 | 036c06e2b044… |
| 199.233.79.0 – 199.233.79.255 | 256 | US |
allocated | 1995-02-10 | a751367d3a9b… |
| 204.80.239.0 – 204.80.239.255 | 256 | US |
allocated | 1995-02-10 | fb0015a979e1… |
| 204.152.110.0 – 204.152.111.255 | 512 | US |
allocated | 1995-02-10 | cfbdf6116205… |
| 204.152.114.0 – 204.152.115.255 | 512 | US |
allocated | 1995-02-10 | a694397f14e0… |
| 204.153.228.0 – 204.153.231.255 | 1,024 | US |
allocated | 1995-02-10 | 442d612f2688… |
| 204.153.232.0 – 204.153.235.255 | 1,024 | US |
allocated | 1995-02-10 | 965e9ca560aa… |
| 204.153.236.0 – 204.153.239.255 | 1,024 | US |
allocated | 1995-02-10 | 2c67a2d5dd02… |
| 204.153.240.0 – 204.153.243.255 | 1,024 | US |
allocated | 1995-02-10 | e657a4669da1… |
| 204.235.192.0 – 204.235.207.255 | 4,096 | US |
allocated | 1995-02-10 | ffde054819f3… |
| 204.238.16.0 – 204.238.16.255 | 256 | US |
allocated | 1995-02-10 | 6f19acefe78b… |
| 204.246.0.0 – 204.246.15.255 | 4,096 | US |
allocated | 1995-02-10 | 1a884b3335cc… |
| 205.132.0.0 – 205.132.3.255 | 1,024 | US |
allocated | 1995-02-10 | 9dd9107b66d5… |
| 205.132.8.0 – 205.132.15.255 | 2,048 | US |
allocated | 1995-02-10 | 5ff8bbfe998b… |
| 205.132.16.0 – 205.132.23.255 | 2,048 | US |
allocated | 1995-02-10 | fbe6bc35a9c2… |
| 205.132.24.0 – 205.132.31.255 | 2,048 | US |
allocated | 1995-02-10 | edce43f1d53d… |
| 205.133.0.0 – 205.133.255.255 | 65,536 | US |
allocated | 1995-02-10 | f4bb71b8cdaf… |
| 205.134.0.0 – 205.134.31.255 | 8,192 | US |
allocated | 1995-02-10 | dcc4b8d850b9… |
| 205.134.32.0 – 205.134.63.255 | 8,192 | US |
allocated | 1995-02-10 | af22606feffe… |
| 205.235.208.0 – 205.235.223.255 | 4,096 | US |
allocated | 1995-02-10 | e4a6a845f425… |
| 168.32.0.0 – 168.47.255.255 | 1,048,576 | US |
allocated | 1995-02-09 | b5df1bcdf182… |
| 168.48.0.0 – 168.55.255.255 | 524,288 | US |
allocated | 1995-02-09 | b5df1bcdf182… |
| 168.56.0.0 – 168.59.255.255 | 262,144 | US |
allocated | 1995-02-09 | b5df1bcdf182… |
| 168.60.0.0 – 168.60.255.255 | 65,536 | US |
allocated | 1995-02-09 | b5df1bcdf182… |
| 169.152.0.0 – 169.152.255.255 | 65,536 | US |
allocated | 1995-02-09 | 3a7b40ab58f6… |
| 170.214.0.0 – 170.214.255.255 | 65,536 | US |
allocated | 1995-02-09 | 7bfe7160b82a… |
| 170.215.0.0 – 170.215.255.255 | 65,536 | US |
allocated | 1995-02-09 | 7a3fe9f0f36b… |
| 199.196.128.0 – 199.196.159.255 | 8,192 | US |
allocated | 1995-02-09 | 9d1a6433fbac… |
| 199.200.128.0 – 199.200.191.255 | 16,384 | US |
allocated | 1995-02-09 | 1be533968d2e… |
| 199.200.192.0 – 199.200.255.255 | 16,384 | US |
allocated | 1995-02-09 | 322913747ed2… |
| 199.230.128.0 – 199.230.255.255 | 32,768 | US |
allocated | 1995-02-09 | e125ef1d336e… |
| 199.233.75.0 – 199.233.75.255 | 256 | US |
allocated | 1995-02-09 | a772d4f71267… |
| 199.233.76.0 – 199.233.76.255 | 256 | US |
allocated | 1995-02-09 | a772d4f71267… |
| 199.233.77.0 – 199.233.77.255 | 256 | US |
allocated | 1995-02-09 | 8bfc7635a30c… |
| 204.80.233.0 – 204.80.233.255 | 256 | US |
allocated | 1995-02-09 | c8411e1ababb… |
| 204.80.234.0 – 204.80.234.255 | 256 | US |
allocated | 1995-02-09 | a4262d144f69… |
| 204.80.235.0 – 204.80.235.255 | 256 | US |
allocated | 1995-02-09 | 29deb97a0ba8… |
| 204.80.236.0 – 204.80.236.255 | 256 | US |
allocated | 1995-02-09 | ac80e8b6d5eb… |
| 204.80.237.0 – 204.80.237.255 | 256 | US |
allocated | 1995-02-09 | 45f4f398af01… |
| 204.80.238.0 – 204.80.238.255 | 256 | US |
allocated | 1995-02-09 | 70e718c703b2… |
| 204.90.108.0 – 204.90.108.255 | 256 | US |
allocated | 1995-02-09 | 6a4bbe90f0b7… |
| 204.90.109.0 – 204.90.109.255 | 256 | US |
allocated | 1995-02-09 | 58ecd96010cf… |
| 204.90.110.0 – 204.90.110.255 | 256 | US |
allocated | 1995-02-09 | b5a12e8d38b3… |