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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 16.242.0.0 – 16.242.255.255 | 65,536 |  US |
allocated | 1989-05-18 | f21130892698… |
| 16.245.0.0 – 16.245.255.255 | 65,536 | US |
allocated | 1989-05-18 | f21130892698… |
| 16.246.0.0 – 16.247.255.255 | 131,072 | US |
allocated | 1989-05-18 | f21130892698… |
| 16.248.0.0 – 16.255.255.255 | 524,288 | US |
allocated | 1989-05-18 | f21130892698… |
| 134.82.32.0 – 134.82.63.255 | 8,192 | US |
allocated | 1989-05-18 | 9f8f609286dd… |
| 134.82.96.0 – 134.82.111.255 | 4,096 | US |
allocated | 1989-05-18 | 9f8f609286dd… |
| 134.82.120.0 – 134.82.127.255 | 2,048 | US |
allocated | 1989-05-18 | 9f8f609286dd… |
| 134.82.128.0 – 134.82.255.255 | 32,768 | US |
allocated | 1989-05-18 | 9f8f609286dd… |
| 134.85.0.0 – 134.85.255.255 | 65,536 | US |
allocated | 1989-05-18 | 7347b13c724c… |
| 192.52.244.0 – 192.52.244.255 | 256 | US |
allocated | 1989-05-18 | e24554ae77c3… |
| 192.52.245.0 – 192.52.245.255 | 256 | US |
allocated | 1989-05-18 | 0ef0d0e24e91… |
| 192.54.0.0 – 192.54.15.255 | 4,096 | US |
allocated | 1989-05-18 | e1ed1885c9ce… |
| 192.54.16.0 – 192.54.23.255 | 2,048 | US |
allocated | 1989-05-18 | e1ed1885c9ce… |
| 192.54.24.0 – 192.54.27.255 | 1,024 | US |
allocated | 1989-05-18 | e1ed1885c9ce… |
| 192.54.28.0 – 192.54.29.255 | 512 | US |
allocated | 1989-05-18 | e1ed1885c9ce… |
| 192.54.30.0 – 192.54.30.255 | 256 | US |
allocated | 1989-05-18 | e1ed1885c9ce… |
| 192.52.233.0 – 192.52.233.255 | 256 | US |
allocated | 1989-05-17 | 6af3dbdad10c… |
| 192.52.234.0 – 192.52.234.255 | 256 | US |
allocated | 1989-05-17 | 6af3dbdad10c… |
| 192.52.235.0 – 192.52.235.255 | 256 | US |
allocated | 1989-05-17 | 6af3dbdad10c… |
| 192.52.236.0 – 192.52.236.255 | 256 | US |
allocated | 1989-05-17 | 6af3dbdad10c… |
| 192.52.238.0 – 192.52.238.255 | 256 | US |
allocated | 1989-05-17 | 45fe880b68a8… |
| 192.52.239.0 – 192.52.239.255 | 256 |  CA |
allocated | 1989-05-17 | f49148bc6b10… |
| 192.52.240.0 – 192.52.240.255 | 256 | US |
allocated | 1989-05-17 | 48d089d33efb… |
| 134.79.0.0 – 134.79.255.255 | 65,536 | US |
allocated | 1989-05-16 | b5471e46efda… |
| 192.68.191.0 – 192.68.191.255 | 256 | US |
allocated | 1989-05-16 | b5471e46efda… |
| 136.249.0.0 – 136.249.255.255 | 65,536 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 136.250.0.0 – 136.251.255.255 | 131,072 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 136.252.0.0 – 136.253.255.255 | 131,072 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 136.254.0.0 – 136.254.255.255 | 65,536 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 192.52.229.0 – 192.52.229.255 | 256 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 192.52.230.0 – 192.52.230.255 | 256 | US |
allocated | 1989-05-15 | c57616f7cb10… |
| 192.52.231.0 – 192.52.231.255 | 256 | US |
allocated | 1989-05-15 | 3a958a082b0e… |
| 192.58.37.0 – 192.58.37.255 | 256 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 192.58.38.0 – 192.58.39.255 | 512 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 192.58.40.0 – 192.58.40.255 | 256 | US |
allocated | 1989-05-15 | 66defc41fc95… |
| 132.8.0.0 – 132.8.255.255 | 65,536 | US |
allocated | 1989-05-12 | 45fe880b68a8… |
| 132.10.0.0 – 132.10.255.255 | 65,536 | US |
allocated | 1989-05-12 | 45fe880b68a8… |
| 132.31.0.0 – 132.31.255.255 | 65,536 | US |
allocated | 1989-05-12 | 45fe880b68a8… |
| 132.48.0.0 – 132.48.255.255 | 65,536 | US |
allocated | 1989-05-12 | 45fe880b68a8… |
| 132.62.0.0 – 132.62.255.255 | 65,536 | US |
allocated | 1989-05-12 | 45fe880b68a8… |
| 134.78.0.0 – 134.78.255.255 | 65,536 | US |
allocated | 1989-05-11 | 45fe880b68a8… |
| 192.52.224.0 – 192.52.225.255 | 512 | US |
allocated | 1989-05-11 | 6af3dbdad10c… |
| 134.71.0.0 – 134.71.255.255 | 65,536 | US |
allocated | 1989-05-10 | 0e1df87fd855… |
| 134.72.0.0 – 134.72.255.255 | 65,536 | US |
allocated | 1989-05-10 | e1ed1885c9ce… |
| 134.74.0.0 – 134.74.255.255 | 65,536 | US |
allocated | 1989-05-10 | ac137e26563e… |
| 134.77.0.0 – 134.77.255.255 | 65,536 | US |
allocated | 1989-05-10 | a173e43ca8ce… |
| 192.52.218.0 – 192.52.218.255 | 256 | US |
allocated | 1989-05-10 | d35908df088d… |
| 192.52.219.0 – 192.52.219.255 | 256 | US |
allocated | 1989-05-10 | f2e60fe717ee… |
| 192.52.220.0 – 192.52.220.255 | 256 | US |
allocated | 1989-05-10 | 766c88725c04… |
| 134.68.0.0 – 134.68.255.255 | 65,536 | US |
allocated | 1989-05-09 | 6130c4b96fdd… |
| 192.52.194.0 – 192.52.194.255 | 256 | US |
allocated | 1989-05-08 | e46d50b27c27… |
| 192.52.195.0 – 192.52.195.255 | 256 | US |
allocated | 1989-05-08 | 2d90cbf4f78e… |
| 134.120.0.0 – 134.120.255.255 | 65,536 | US |
allocated | 1989-05-05 | 58a1842e4fc7… |
| 192.52.187.0 – 192.52.187.255 | 256 | US |
allocated | 1989-05-04 | 0d674f156f75… |
| 134.57.0.0 – 134.57.255.255 | 65,536 | US |
allocated | 1989-05-03 | e1ed1885c9ce… |
| 192.52.184.0 – 192.52.184.255 | 256 | US |
allocated | 1989-05-03 | 5c28cdae6df1… |
| 192.52.186.0 – 192.52.186.255 | 256 | US |
allocated | 1989-05-03 | e220ed812a4c… |
| 134.51.0.0 – 134.51.255.255 | 65,536 | US |
allocated | 1989-05-01 | e1ed1885c9ce… |
| 134.52.0.0 – 134.52.255.255 | 65,536 | US |
allocated | 1989-05-01 | e1ed1885c9ce… |
| 134.53.0.0 – 134.53.255.255 | 65,536 | US |
allocated | 1989-05-01 | b2ed1f1b9475… |
| 134.55.0.0 – 134.55.255.255 | 65,536 | US |
allocated | 1989-05-01 | 62381ee296ba… |
| 134.50.0.0 – 134.50.255.255 | 65,536 | US |
allocated | 1989-04-28 | f3829190a7e4… |
| 192.20.225.0 – 192.20.225.255 | 256 | US |
allocated | 1989-04-28 | 81e05477cc28… |
| 192.52.183.0 – 192.52.183.255 | 256 | US |
allocated | 1989-04-28 | 1b3469918def… |
| 192.52.179.0 – 192.52.179.255 | 256 | US |
allocated | 1989-04-27 | 362e1f9c5090… |
| 192.52.180.0 – 192.52.180.255 | 256 | US |
allocated | 1989-04-27 | 9a24021cda9b… |
| 192.52.181.0 – 192.52.181.255 | 256 | US |
allocated | 1989-04-27 | 8196ea782b77… |
| 192.52.182.0 – 192.52.182.255 | 256 | US |
allocated | 1989-04-27 | 51cc9074730e… |
| 134.48.0.0 – 134.48.255.255 | 65,536 | US |
allocated | 1989-04-26 | 2a9a93e71d1f… |
| 134.49.32.0 – 134.49.63.255 | 8,192 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.64.0 – 134.49.127.255 | 16,384 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.136.0 – 134.49.139.255 | 1,024 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.144.0 – 134.49.159.255 | 4,096 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.160.0 – 134.49.191.255 | 8,192 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.192.0 – 134.49.223.255 | 8,192 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.224.0 – 134.49.239.255 | 4,096 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 134.49.240.0 – 134.49.247.255 | 2,048 | US |
allocated | 1989-04-26 | 9ae829dbc1e5… |
| 137.225.0.0 – 137.225.255.255 | 65,536 | US |
allocated | 1989-04-26 | 45fe880b68a8… |
| 192.26.250.0 – 192.26.250.255 | 256 | US |
allocated | 1989-04-26 | d117a01cda22… |
| 192.26.251.0 – 192.26.251.255 | 256 | US |
allocated | 1989-04-26 | d117a01cda22… |
| 192.26.252.0 – 192.26.252.255 | 256 | US |
allocated | 1989-04-26 | d117a01cda22… |
| 192.26.253.0 – 192.26.253.255 | 256 | US |
allocated | 1989-04-26 | d117a01cda22… |
| 192.26.254.0 – 192.26.254.255 | 256 | US |
allocated | 1989-04-26 | d117a01cda22… |
| 192.52.177.0 – 192.52.177.255 | 256 | US |
allocated | 1989-04-26 | ddd628de9f88… |
| 134.42.0.0 – 134.42.127.255 | 32,768 | US |
allocated | 1989-04-25 | 02cc63fff315… |
| 134.42.128.0 – 134.42.191.255 | 16,384 | US |
allocated | 1989-04-25 | 02cc63fff315… |
| 134.42.192.0 – 134.42.223.255 | 8,192 | US |
allocated | 1989-04-25 | 02cc63fff315… |
| 134.42.228.0 – 134.42.231.255 | 1,024 | US |
allocated | 1989-04-25 | 02cc63fff315… |
| 134.42.240.0 – 134.42.255.255 | 4,096 | US |
allocated | 1989-04-25 | 02cc63fff315… |
| 134.44.0.0 – 134.44.255.255 | 65,536 | US |
allocated | 1989-04-25 | 1e6aecf01600… |
| 134.45.0.0 – 134.45.255.255 | 65,536 | US |
allocated | 1989-04-25 | 4a34b9f7ce6e… |
| 192.52.170.0 – 192.52.170.255 | 256 | US |
allocated | 1989-04-25 | cdfe872d6f50… |
| 134.32.0.0 – 134.32.255.255 | 65,536 | US |
allocated | 1989-04-24 | d8d7984745a8… |
| 192.52.163.0 – 192.52.163.255 | 256 | US |
allocated | 1989-04-24 | 48d089d33efb… |
| 192.52.164.0 – 192.52.164.255 | 256 | US |
allocated | 1989-04-24 | 48d089d33efb… |
| 192.52.165.0 – 192.52.165.255 | 256 | US |
allocated | 1989-04-24 | 48d089d33efb… |
| 134.29.0.0 – 134.29.255.255 | 65,536 | US |
allocated | 1989-04-21 | 93c27d337387… |
| 192.52.157.0 – 192.52.157.255 | 256 | US |
allocated | 1989-04-21 | 83637560054d… |
| 134.26.0.0 – 134.26.255.255 | 65,536 | US |
allocated | 1989-04-20 | be93f006e4f9… |
| 192.52.153.0 – 192.52.153.255 | 256 | US |
allocated | 1989-04-20 | 34a4076fa4ba… |