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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 152.38.64.0 – 152.38.95.255 | 8,192 |  US |
allocated | 1992-01-10 | cd9eac2a2cd4… |
| 152.38.160.0 – 152.38.191.255 | 8,192 | US |
allocated | 1992-01-10 | cd9eac2a2cd4… |
| 152.38.192.0 – 152.38.255.255 | 16,384 | US |
allocated | 1992-01-10 | cd9eac2a2cd4… |
| 152.39.64.0 – 152.39.127.255 | 16,384 | US |
allocated | 1992-01-10 | 2033f79f7c9a… |
| 157.145.0.0 – 157.145.255.255 | 65,536 | US |
allocated | 1992-01-10 | 9ad49a1d884e… |
| 157.146.0.0 – 157.146.255.255 | 65,536 | US |
allocated | 1992-01-10 | 2a130f1790de… |
| 157.149.0.0 – 157.149.255.255 | 65,536 | US |
allocated | 1992-01-10 | 13571657ac45… |
| 192.129.62.0 – 192.129.62.255 | 256 | US |
allocated | 1992-01-10 | 45fe880b68a8… |
| 192.129.63.0 – 192.129.63.255 | 256 | US |
allocated | 1992-01-10 | 45fe880b68a8… |
| 192.129.64.0 – 192.129.64.255 | 256 | US |
allocated | 1992-01-10 | 45fe880b68a8… |
| 192.129.69.0 – 192.129.69.255 | 256 | US |
allocated | 1992-01-10 | 45fe880b68a8… |
| 192.136.109.0 – 192.136.109.255 | 256 | US |
allocated | 1992-01-10 | 0e77bb370060… |
| 192.136.110.0 – 192.136.110.255 | 256 | US |
allocated | 1992-01-10 | a75984f07d0b… |
| 192.136.111.0 – 192.136.111.255 | 256 | US |
allocated | 1992-01-10 | aaa57c4114a0… |
| 192.138.165.0 – 192.138.165.255 | 256 | US |
allocated | 1992-01-10 | 2f3f6df11527… |
| 192.138.166.0 – 192.138.166.255 | 256 | US |
allocated | 1992-01-10 | 03103ca38fee… |
| 192.138.167.0 – 192.138.167.255 | 256 | US |
allocated | 1992-01-10 | e220ed812a4c… |
| 192.138.168.0 – 192.138.168.255 | 256 | US |
allocated | 1992-01-10 | 5942bda53f50… |
| 192.138.169.0 – 192.138.169.255 | 256 | US |
allocated | 1992-01-10 | 6e7fadb2942b… |
| 192.138.170.0 – 192.138.170.255 | 256 | US |
allocated | 1992-01-10 | 8f80dbf45492… |
| 192.138.171.0 – 192.138.171.255 | 256 | US |
allocated | 1992-01-10 | 213c59ac1043… |
| 192.138.172.0 – 192.138.172.255 | 256 | US |
allocated | 1992-01-10 | d9d2732eab08… |
| 192.138.226.0 – 192.138.226.255 | 256 | US |
allocated | 1992-01-10 | 308a44f70022… |
| 192.139.1.0 – 192.139.1.255 | 256 |  CA |
allocated | 1992-01-10 | 7c223613166a… |
| 192.139.2.0 – 192.139.2.255 | 256 | CA |
allocated | 1992-01-10 | 30425f91eca5… |
| 152.41.128.0 – 152.41.255.255 | 32,768 | US |
allocated | 1992-01-09 | 25a840f4d90f… |
| 192.75.254.0 – 192.75.254.255 | 256 | CA |
allocated | 1992-01-09 | ab0b04510ace… |
| 192.129.65.0 – 192.129.65.255 | 256 | US |
allocated | 1992-01-09 | 45fe880b68a8… |
| 192.129.66.0 – 192.129.66.255 | 256 | US |
allocated | 1992-01-09 | 45fe880b68a8… |
| 155.213.0.0 – 155.213.255.255 | 65,536 | US |
allocated | 1992-01-08 | 45fe880b68a8… |
| 156.117.0.0 – 156.117.255.255 | 65,536 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 157.142.0.0 – 157.142.255.255 | 65,536 | US |
allocated | 1992-01-08 | b19ae9ae9944… |
| 157.208.64.0 – 157.208.127.255 | 16,384 | US |
allocated | 1992-01-08 | 198b6bcaadb6… |
| 157.208.128.0 – 157.208.255.255 | 32,768 | US |
allocated | 1992-01-08 | 198b6bcaadb6… |
| 192.75.253.0 – 192.75.253.255 | 256 | CA |
allocated | 1992-01-08 | 3133b124a0e3… |
| 192.131.103.0 – 192.131.103.255 | 256 | US |
allocated | 1992-01-08 | ad5353680663… |
| 192.131.105.0 – 192.131.105.255 | 256 | US |
allocated | 1992-01-08 | 8c72660f9180… |
| 192.131.106.0 – 192.131.106.255 | 256 | US |
allocated | 1992-01-08 | ad5353680663… |
| 192.136.106.0 – 192.136.106.255 | 256 | US |
allocated | 1992-01-08 | 2d90cbf4f78e… |
| 192.136.107.0 – 192.136.107.255 | 256 | US |
allocated | 1992-01-08 | 1e2f8f3fb400… |
| 192.138.126.0 – 192.138.126.255 | 256 | US |
allocated | 1992-01-08 | acfc4932ac54… |
| 192.138.127.0 – 192.138.127.255 | 256 | US |
allocated | 1992-01-08 | acfc4932ac54… |
| 192.138.131.0 – 192.138.131.255 | 256 | US |
allocated | 1992-01-08 | 7b9cace1a2b7… |
| 192.138.132.0 – 192.138.132.255 | 256 | US |
allocated | 1992-01-08 | a6d6e7bbd8fc… |
| 192.138.138.0 – 192.138.138.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.139.0 – 192.138.139.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.140.0 – 192.138.140.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.141.0 – 192.138.141.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.142.0 – 192.138.142.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.143.0 – 192.138.143.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.144.0 – 192.138.144.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.145.0 – 192.138.145.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.146.0 – 192.138.146.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.147.0 – 192.138.147.255 | 256 | US |
allocated | 1992-01-08 | e7b53e5c2a92… |
| 192.138.149.0 – 192.138.149.255 | 256 | US |
allocated | 1992-01-08 | 8d307ce9451c… |
| 192.138.150.0 – 192.138.150.255 | 256 | US |
allocated | 1992-01-08 | 8d307ce9451c… |
| 192.138.151.0 – 192.138.151.255 | 256 | US |
allocated | 1992-01-08 | 8d307ce9451c… |
| 192.138.152.0 – 192.138.152.255 | 256 | US |
allocated | 1992-01-08 | d089f86c5d89… |
| 192.138.154.0 – 192.138.154.255 | 256 | US |
allocated | 1992-01-08 | 7a9d90be7d4d… |
| 192.138.159.0 – 192.138.159.255 | 256 | US |
allocated | 1992-01-08 | ffd67fadfdd4… |
| 198.17.47.0 – 198.17.47.255 | 256 | US |
allocated | 1992-01-08 | abca6759f071… |
| 142.99.0.0 – 142.99.15.255 | 4,096 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.16.0 – 142.99.19.255 | 1,024 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.24.0 – 142.99.31.255 | 2,048 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.32.0 – 142.99.63.255 | 8,192 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.64.0 – 142.99.95.255 | 8,192 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.104.0 – 142.99.105.255 | 512 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.112.0 – 142.99.127.255 | 4,096 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 142.99.128.0 – 142.99.255.255 | 32,768 | CA |
allocated | 1992-01-07 | ea6f777bddba… |
| 192.75.240.0 – 192.75.247.255 | 2,048 | CA |
allocated | 1992-01-07 | 514bca940e05… |
| 192.136.68.0 – 192.136.68.255 | 256 | US |
allocated | 1992-01-07 | b221f8fdb472… |
| 192.136.69.0 – 192.136.69.255 | 256 | US |
allocated | 1992-01-07 | 2aff70d35b99… |
| 192.136.70.0 – 192.136.70.255 | 256 | US |
allocated | 1992-01-07 | b2df6ebc8b9d… |
| 192.138.102.0 – 192.138.102.255 | 256 | US |
allocated | 1992-01-07 | d6c095f88ca4… |
| 192.138.103.0 – 192.138.103.255 | 256 | US |
allocated | 1992-01-07 | d6c095f88ca4… |
| 192.138.104.0 – 192.138.104.255 | 256 | US |
allocated | 1992-01-07 | d6c095f88ca4… |
| 192.138.134.0 – 192.138.134.255 | 256 | US |
allocated | 1992-01-07 | 4d449450c6aa… |
| 192.138.135.0 – 192.138.135.255 | 256 | US |
allocated | 1992-01-07 | a22c62558ab7… |
| 192.138.136.0 – 192.138.136.255 | 256 | US |
allocated | 1992-01-07 | cd679cc237c2… |
| 192.138.137.0 – 192.138.137.255 | 256 | US |
allocated | 1992-01-07 | 3761eaf5d762… |
| 156.107.0.0 – 156.107.255.255 | 65,536 | US |
allocated | 1992-01-06 | 79e8a415758c… |
| 156.109.0.0 – 156.109.255.255 | 65,536 | US |
allocated | 1992-01-06 | 79e8a415758c… |
| 156.110.0.0 – 156.110.255.255 | 65,536 | US |
allocated | 1992-01-06 | 774d6f93932f… |
| 156.111.0.0 – 156.111.255.255 | 65,536 | US |
allocated | 1992-01-06 | d1b493f4d731… |
| 156.112.0.0 – 156.113.255.255 | 131,072 | US |
allocated | 1992-01-06 | 45fe880b68a8… |
| 157.139.0.0 – 157.139.255.255 | 65,536 | US |
allocated | 1992-01-06 | 7f234b9eeb09… |
| 157.141.0.0 – 157.141.255.255 | 65,536 | US |
allocated | 1992-01-06 | 45fe880b68a8… |
| 192.69.142.0 – 192.69.142.255 | 256 | US |
allocated | 1992-01-06 | 42c3a8b82c00… |
| 192.75.248.0 – 192.75.248.255 | 256 | CA |
allocated | 1992-01-06 | 5c2c6703d74b… |
| 192.75.249.0 – 192.75.249.255 | 256 | CA |
allocated | 1992-01-06 | 5c2c6703d74b… |
| 192.75.250.0 – 192.75.250.255 | 256 | CA |
allocated | 1992-01-06 | afe54cfa2d98… |
| 192.75.251.0 – 192.75.251.255 | 256 | CA |
allocated | 1992-01-06 | 125931ea78b6… |
| 192.75.252.0 – 192.75.252.255 | 256 | CA |
allocated | 1992-01-06 | 125931ea78b6… |
| 192.131.19.0 – 192.131.19.255 | 256 | US |
allocated | 1992-01-06 | 45fe880b68a8… |
| 192.136.62.0 – 192.136.62.255 | 256 | US |
allocated | 1992-01-06 | 5e7685b67be6… |
| 192.136.63.0 – 192.136.63.255 | 256 | US |
allocated | 1992-01-06 | 92814a387d2f… |
| 192.136.64.0 – 192.136.64.255 | 256 | US |
allocated | 1992-01-06 | 46388aeb8088… |
| 192.136.66.0 – 192.136.66.255 | 256 | US |
allocated | 1992-01-06 | bef0bf61cb6f… |
| 192.136.67.0 – 192.136.67.255 | 256 | US |
allocated | 1992-01-06 | 609b922abc74… |
| 192.138.89.0 – 192.138.89.255 | 256 | US |
allocated | 1992-01-06 | fe72b8defce6… |