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
1.64B
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.144.85.0 – 204.144.85.255 | 256 |  US |
allocated | 1995-01-04 | 8429b72776a8… |
| 204.144.86.0 – 204.144.86.255 | 256 | US |
allocated | 1995-01-04 | 7f94fe5c90ec… |
| 204.144.87.0 – 204.144.87.255 | 256 | US |
allocated | 1995-01-04 | 175ccf44ebc4… |
| 204.144.88.0 – 204.144.88.255 | 256 | US |
allocated | 1995-01-04 | f127b7b6f1da… |
| 204.144.89.0 – 204.144.89.255 | 256 | US |
allocated | 1995-01-04 | 405f6f7274ca… |
| 204.144.90.0 – 204.144.90.255 | 256 | US |
allocated | 1995-01-04 | fd503da1946a… |
| 204.144.91.0 – 204.144.91.255 | 256 | US |
allocated | 1995-01-04 | 092c5a1fa002… |
| 204.144.92.0 – 204.144.92.255 | 256 | US |
allocated | 1995-01-04 | 5b1156235c51… |
| 204.144.93.0 – 204.144.93.255 | 256 | US |
allocated | 1995-01-04 | 3106efc07164… |
| 204.144.94.0 – 204.144.94.255 | 256 | US |
allocated | 1995-01-04 | 7f07c57614b7… |
| 204.144.95.0 – 204.144.95.255 | 256 | US |
allocated | 1995-01-04 | 39e7576d1a61… |
| 204.144.97.0 – 204.144.97.255 | 256 | US |
allocated | 1995-01-04 | 4f8ec97c54c0… |
| 204.144.98.0 – 204.144.98.255 | 256 | US |
allocated | 1995-01-04 | e844fb318ab7… |
| 204.144.99.0 – 204.144.99.255 | 256 | US |
allocated | 1995-01-04 | fdbf7daf7a74… |
| 204.144.100.0 – 204.144.100.255 | 256 | US |
allocated | 1995-01-04 | 597fef973870… |
| 204.144.101.0 – 204.144.101.255 | 256 | US |
allocated | 1995-01-04 | 295d410eb8c1… |
| 204.144.102.0 – 204.144.102.255 | 256 | US |
allocated | 1995-01-04 | 042daa9e5143… |
| 204.144.103.0 – 204.144.103.255 | 256 | US |
allocated | 1995-01-04 | 41c239f0c89d… |
| 204.144.104.0 – 204.144.104.255 | 256 | US |
allocated | 1995-01-04 | eb1d8cc67b89… |
| 204.144.105.0 – 204.144.105.255 | 256 | US |
allocated | 1995-01-04 | 499e18f9b3aa… |
| 204.144.107.0 – 204.144.107.255 | 256 | US |
allocated | 1995-01-04 | 204fdf37540a… |
| 204.144.108.0 – 204.144.108.255 | 256 | US |
allocated | 1995-01-04 | 350ccc6a0136… |
| 204.211.0.0 – 204.211.255.255 | 65,536 | US |
allocated | 1995-01-04 | 6278ad90ff5a… |
| 169.155.0.0 – 169.155.31.255 | 8,192 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.32.0 – 169.155.39.255 | 2,048 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.41.0 – 169.155.41.255 | 256 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.64.0 – 169.155.79.255 | 4,096 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.80.0 – 169.155.87.255 | 2,048 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.96.0 – 169.155.111.255 | 4,096 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.172.0 – 169.155.173.255 | 512 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.176.0 – 169.155.191.255 | 4,096 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 169.155.192.0 – 169.155.223.255 | 8,192 | US |
allocated | 1995-01-03 | 5a8c749535eb… |
| 192.119.135.0 – 192.119.135.255 | 256 | US |
allocated | 1995-01-03 | 2d90cbf4f78e… |
| 204.76.174.0 – 204.76.175.255 | 512 | US |
allocated | 1995-01-03 | 827e7b25baba… |
| 204.76.176.0 – 204.76.179.255 | 1,024 | US |
allocated | 1995-01-03 | 827e7b25baba… |
| 204.76.180.0 – 204.76.181.255 | 512 | US |
allocated | 1995-01-03 | 827e7b25baba… |
| 204.76.182.0 – 204.76.183.255 | 512 | US |
allocated | 1995-01-03 | b1c619757409… |
| 204.76.184.0 – 204.76.187.255 | 1,024 | US |
allocated | 1995-01-03 | b1c619757409… |
| 204.76.188.0 – 204.76.189.255 | 512 | US |
allocated | 1995-01-03 | b1c619757409… |
| 204.87.166.0 – 204.87.166.255 | 256 | US |
allocated | 1995-01-03 | a0beead5dbc6… |
| 204.87.167.0 – 204.87.167.255 | 256 | US |
allocated | 1995-01-03 | f66c428a4ea9… |
| 204.87.168.0 – 204.87.168.255 | 256 | US |
allocated | 1995-01-03 | 4b50cfb47bb8… |
| 204.128.147.0 – 204.128.147.255 | 256 | US |
allocated | 1995-01-03 | 9b9cfc7e8364… |
| 204.128.148.0 – 204.128.148.255 | 256 | US |
allocated | 1995-01-03 | c181e0ee0318… |
| 204.128.149.0 – 204.128.149.255 | 256 | US |
allocated | 1995-01-03 | 1ad336324fdf… |
| 204.128.150.0 – 204.128.150.255 | 256 | US |
allocated | 1995-01-03 | be2d17f2d72c… |
| 204.128.151.0 – 204.128.151.255 | 256 | US |
allocated | 1995-01-03 | 325315861747… |
| 204.128.152.0 – 204.128.152.255 | 256 | US |
allocated | 1995-01-03 | 0ad59d5e6a9f… |
| 204.128.154.0 – 204.128.154.255 | 256 | US |
allocated | 1995-01-03 | 398006270e69… |
| 204.152.74.0 – 204.152.75.255 | 512 | US |
allocated | 1995-01-03 | 1250f6ab923e… |
| 204.153.172.0 – 204.153.175.255 | 1,024 | US |
allocated | 1995-01-03 | d55173ec6d3f… |
| 204.138.66.0 – 204.138.66.255 | 256 |  CA |
allocated | 1995-01-01 | 2c3810d7f1de… |
| 199.123.96.0 – 199.123.111.255 | 4,096 | US |
allocated | 1994-12-30 | 45fe880b68a8… |
| 199.123.112.0 – 199.123.115.255 | 1,024 | US |
allocated | 1994-12-30 | 45fe880b68a8… |
| 204.87.165.0 – 204.87.165.255 | 256 | US |
allocated | 1994-12-30 | fdbcd0cc55d1… |
| 204.76.152.0 – 204.76.155.255 | 1,024 | US |
allocated | 1994-12-29 | 08cff71f8cad… |
| 204.76.156.0 – 204.76.156.255 | 256 | US |
allocated | 1994-12-29 | 08cff71f8cad… |
| 204.76.158.0 – 204.76.159.255 | 512 | US |
allocated | 1994-12-29 | 47cddc1af1eb… |
| 204.76.160.0 – 204.76.163.255 | 1,024 | US |
allocated | 1994-12-29 | 47cddc1af1eb… |
| 204.76.164.0 – 204.76.165.255 | 512 | US |
allocated | 1994-12-29 | 47cddc1af1eb… |
| 204.76.166.0 – 204.76.167.255 | 512 | US |
allocated | 1994-12-29 | 18a48374aeb0… |
| 204.76.168.0 – 204.76.171.255 | 1,024 | US |
allocated | 1994-12-29 | 18a48374aeb0… |
| 204.76.172.0 – 204.76.173.255 | 512 | US |
allocated | 1994-12-29 | 18a48374aeb0… |
| 204.87.149.0 – 204.87.149.255 | 256 | US |
allocated | 1994-12-29 | 45a0a723249e… |
| 204.87.150.0 – 204.87.150.255 | 256 | US |
allocated | 1994-12-29 | 415df66f9a53… |
| 204.87.151.0 – 204.87.151.255 | 256 | US |
allocated | 1994-12-29 | 596ad8635217… |
| 204.87.152.0 – 204.87.152.255 | 256 | US |
allocated | 1994-12-29 | 212894117817… |
| 204.87.153.0 – 204.87.153.255 | 256 | US |
allocated | 1994-12-29 | f50fff64a879… |
| 204.87.154.0 – 204.87.154.255 | 256 | US |
allocated | 1994-12-29 | 9137e44c4f8a… |
| 204.87.156.0 – 204.87.156.255 | 256 | US |
allocated | 1994-12-29 | 1aa2a242237f… |
| 204.87.157.0 – 204.87.157.255 | 256 | US |
allocated | 1994-12-29 | 26b4fbe92f37… |
| 204.87.158.0 – 204.87.158.255 | 256 | US |
allocated | 1994-12-29 | 711b28d274f0… |
| 204.87.159.0 – 204.87.159.255 | 256 | US |
allocated | 1994-12-29 | 0da971fd550b… |
| 204.87.160.0 – 204.87.160.255 | 256 | US |
allocated | 1994-12-29 | 295647b39e50… |
| 204.87.161.0 – 204.87.161.255 | 256 | US |
allocated | 1994-12-29 | 995c3ad63b2a… |
| 204.87.162.0 – 204.87.162.255 | 256 | US |
allocated | 1994-12-29 | 535447beba07… |
| 204.87.163.0 – 204.87.163.255 | 256 | US |
allocated | 1994-12-29 | ce0d5f962eec… |
| 204.87.164.0 – 204.87.164.255 | 256 | US |
allocated | 1994-12-29 | f27da9a07474… |
| 204.124.228.0 – 204.124.231.255 | 1,024 | US |
allocated | 1994-12-29 | de95f97fcd76… |
| 204.126.126.0 – 204.126.127.255 | 512 | US |
allocated | 1994-12-29 | ce76cdc8b601… |
| 204.126.130.0 – 204.126.131.255 | 512 | US |
allocated | 1994-12-29 | 80191a333e77… |
| 204.126.132.0 – 204.126.133.255 | 512 | US |
allocated | 1994-12-29 | 123d88cbdba0… |
| 204.217.0.0 – 204.217.255.255 | 65,536 | US |
allocated | 1994-12-29 | 37fe01d6d027… |
| 204.87.144.0 – 204.87.144.255 | 256 | US |
allocated | 1994-12-28 | 336f8aa25fe0… |
| 204.87.145.0 – 204.87.145.255 | 256 | US |
allocated | 1994-12-28 | c6a524d6da4c… |
| 204.87.146.0 – 204.87.146.255 | 256 | US |
allocated | 1994-12-28 | 21342ea0632e… |
| 204.87.147.0 – 204.87.147.255 | 256 | US |
allocated | 1994-12-28 | 4d79d732d535… |
| 204.87.148.0 – 204.87.148.255 | 256 | US |
allocated | 1994-12-28 | afb3eb665071… |
| 204.124.216.0 – 204.124.217.255 | 512 | US |
allocated | 1994-12-28 | b27312da06b0… |
| 204.124.218.0 – 204.124.218.255 | 256 | US |
allocated | 1994-12-28 | b27312da06b0… |
| 204.124.220.0 – 204.124.223.255 | 1,024 | US |
allocated | 1994-12-28 | feef0e457f76… |
| 204.44.128.0 – 204.44.135.255 | 2,048 | US |
allocated | 1994-12-27 | 45fe880b68a8… |
| 204.44.136.0 – 204.44.137.255 | 512 | US |
allocated | 1994-12-27 | 45fe880b68a8… |
| 204.44.144.0 – 204.44.151.255 | 2,048 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.44.152.0 – 204.44.155.255 | 1,024 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.44.156.0 – 204.44.156.255 | 256 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.86.232.0 – 204.86.239.255 | 2,048 | US |
allocated | 1994-12-27 | 8c9485eacaf3… |
| 204.86.240.0 – 204.86.247.255 | 2,048 | US |
allocated | 1994-12-27 | 8c9485eacaf3… |
| 204.87.137.0 – 204.87.137.255 | 256 | US |
allocated | 1994-12-27 | a5a943ac022c… |
| 204.87.138.0 – 204.87.138.255 | 256 | US |
allocated | 1994-12-27 | 9fa9d5694914… |