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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 155.103.194.0 – 155.103.194.255 | 256 |  US |
allocated | 2026-01-13 | c2fed9901a38… |
| 155.103.195.0 – 155.103.195.255 | 256 | US |
allocated | 2026-01-13 | 8f08d0cd45ee… |
| 155.103.196.0 – 155.103.199.255 | 1,024 | US |
allocated | 2026-01-13 | e4820e799de1… |
| 155.103.200.0 – 155.103.203.255 | 1,024 | US |
allocated | 2026-01-13 | 68c8f8360456… |
| 155.103.204.0 – 155.103.207.255 | 1,024 | US |
allocated | 2026-01-13 | 4b68892eece0… |
| 155.103.208.0 – 155.103.209.255 | 512 | US |
allocated | 2026-01-13 | 962b348656f2… |
| 155.103.210.0 – 155.103.211.255 | 512 | US |
allocated | 2026-01-13 | aeb9260a2b35… |
| 155.103.213.0 – 155.103.213.255 | 256 | US |
allocated | 2026-01-13 | 7e41e1211e61… |
| 155.103.214.0 – 155.103.214.255 | 256 | US |
allocated | 2026-01-13 | 05c75914cd92… |
| 155.103.215.0 – 155.103.215.255 | 256 | US |
allocated | 2026-01-13 | 333d749a7eff… |
| 155.103.216.0 – 155.103.217.255 | 512 | US |
allocated | 2026-01-13 | 5b0f5a6a041e… |
| 155.103.218.0 – 155.103.219.255 | 512 | US |
allocated | 2026-01-13 | 829415fdb5c5… |
| 155.103.220.0 – 155.103.220.255 | 256 | US |
allocated | 2026-01-13 | 8abd0714a9f3… |
| 155.103.221.0 – 155.103.221.255 | 256 | US |
allocated | 2026-01-13 | 0dbe415474f5… |
| 155.103.223.0 – 155.103.223.255 | 256 | US |
allocated | 2026-01-13 | 42a4b7b26497… |
| 155.103.224.0 – 155.103.227.255 | 1,024 | US |
allocated | 2026-01-13 | eb890d3f5894… |
| 155.103.228.0 – 155.103.231.255 | 1,024 | US |
allocated | 2026-01-13 | 3213d67e5b84… |
| 155.103.232.0 – 155.103.235.255 | 1,024 | US |
allocated | 2026-01-13 | 4da5c7393403… |
| 155.103.236.0 – 155.103.239.255 | 1,024 |  CA |
allocated | 2026-01-13 | 035cba7dd41d… |
| 155.103.249.0 – 155.103.249.255 | 256 | US |
allocated | 2026-01-13 | b8c3f0d82dd0… |
| 155.103.250.0 – 155.103.250.255 | 256 | US |
allocated | 2026-01-13 | cbdb0a5d94e3… |
| 155.103.252.0 – 155.103.255.255 | 1,024 | US |
allocated | 2026-01-13 | bb225f0b1caf… |
| 161.210.46.0 – 161.210.46.255 | 256 | US |
allocated | 2026-01-13 | 4cf6bd36030e… |
| 161.210.100.0 – 161.210.103.255 | 1,024 | US |
allocated | 2026-01-13 | 4f5e2bb04fdc… |
| 162.212.33.0 – 162.212.33.255 | 256 | US |
allocated | 2026-01-13 | ff609714b58b… |
| 162.249.24.0 – 162.249.27.255 | 1,024 | CA |
allocated | 2026-01-13 | a2077656acae… |
| 167.253.28.0 – 167.253.28.255 | 256 | US |
allocated | 2026-01-13 | d17c1cb21a67… |
| 167.254.0.0 – 167.254.31.255 | 8,192 | CA |
allocated | 2026-01-13 | a2e1bb6f40a4… |
| 167.254.128.0 – 167.254.143.255 | 4,096 | CA |
allocated | 2026-01-13 | a2e1bb6f40a4… |
| 172.98.5.0 – 172.98.5.255 | 256 | US |
allocated | 2026-01-13 | 3ce2b077bfda… |
| 192.12.219.0 – 192.12.219.255 | 256 | US |
allocated | 2026-01-13 | aef456f04834… |
| 192.75.196.0 – 192.75.197.255 | 512 | US |
allocated | 2026-01-13 | de0dd2228bd9… |
| 192.107.6.0 – 192.107.6.255 | 256 | US |
allocated | 2026-01-13 | e88c465d58a3… |
| 192.159.110.0 – 192.159.110.255 | 256 | US |
allocated | 2026-01-13 | dcac3b48ff53… |
| 198.12.10.0 – 198.12.11.255 | 512 | US |
allocated | 2026-01-13 | 5f166cfa4f95… |
| 198.181.114.0 – 198.181.115.255 | 512 | US |
allocated | 2026-01-13 | 167ca820fdf2… |
| 198.190.13.0 – 198.190.13.255 | 256 | US |
allocated | 2026-01-13 | 5c28d5ee8132… |
| 198.245.178.0 – 198.245.178.255 | 256 | US |
allocated | 2026-01-13 | b1d367f33b3e… |
| 199.30.80.0 – 199.30.83.255 | 1,024 | US |
allocated | 2026-01-13 | e9f1f07d93a2… |
| 199.58.148.0 – 199.58.151.255 | 1,024 | US |
allocated | 2026-01-13 | bf8ccb32aa95… |
| 199.79.185.0 – 199.79.185.255 | 256 | US |
allocated | 2026-01-13 | 51977bc6767f… |
| 204.9.189.0 – 204.9.189.255 | 256 | US |
allocated | 2026-01-13 | 9ecaaea04a92… |
| 204.13.51.0 – 204.13.51.255 | 256 | US |
allocated | 2026-01-13 | abe526586a97… |
| 204.15.240.0 – 204.15.243.255 | 1,024 | CA |
allocated | 2026-01-13 | 12e2813ad5d4… |
| 204.209.84.0 – 204.209.85.255 | 512 | US |
allocated | 2026-01-13 | 5302e76cdcaa… |
| 205.166.28.0 – 205.166.28.255 | 256 | US |
allocated | 2026-01-13 | b18703e8f096… |
| 205.233.207.0 – 205.233.207.255 | 256 | US |
allocated | 2026-01-13 | 1d3c584f19d6… |
| 206.183.159.0 – 206.183.159.255 | 256 | US |
allocated | 2026-01-13 | 1c8b62916fd5… |
| 207.241.194.0 – 207.241.194.255 | 256 | US |
allocated | 2026-01-13 | daa33d0c3a4e… |
| 208.70.216.0 – 208.70.219.255 | 1,024 | US |
allocated | 2026-01-13 | 488d2a5b6891… |
| 216.109.176.0 – 216.109.179.255 | 1,024 | US |
allocated | 2026-01-13 | 7c0176f90193… |
| 216.109.184.0 – 216.109.187.255 | 1,024 | US |
allocated | 2026-01-13 | 4d22f151f276… |
| 216.109.188.0 – 216.109.191.255 | 1,024 | US |
allocated | 2026-01-13 | 111f8124267b… |
| 64.255.52.0 – 64.255.53.255 | 512 | US |
allocated | 2026-01-12 | c6986ccd6619… |
| 74.209.178.0 – 74.209.179.255 | 512 | US |
allocated | 2026-01-12 | c6986ccd6619… |
| 206.109.66.0 – 206.109.67.255 | 512 | US |
allocated | 2026-01-12 | 1eb89809c48a… |
| 206.109.82.0 – 206.109.82.255 | 256 | US |
allocated | 2026-01-12 | 1eb89809c48a… |
| 206.109.194.0 – 206.109.195.255 | 512 | US |
allocated | 2026-01-12 | c16c452b262f… |
| 23.152.116.0 – 23.152.116.255 | 256 | US |
allocated | 2026-01-09 | 5bd4087a1761… |
| 66.71.198.0 – 66.71.198.255 | 256 | US |
allocated | 2026-01-09 | ef3ac1879de8… |
| 198.13.148.0 – 198.13.151.255 | 1,024 | US |
allocated | 2026-01-09 | a158d6b8fd95… |
| 206.109.62.0 – 206.109.62.255 | 256 | US |
allocated | 2026-01-09 | 40ca11250495… |
| 206.109.63.0 – 206.109.63.255 | 256 | US |
allocated | 2026-01-09 | 61a2e99f8fda… |
| 149.112.184.0 – 149.112.184.255 | 256 | US |
allocated | 2026-01-08 | 6956c9ea6225… |
| 198.13.156.0 – 198.13.157.255 | 512 | US |
allocated | 2026-01-08 | a1a056e17522… |
| 23.152.28.0 – 23.152.28.255 | 256 | US |
allocated | 2026-01-07 | 1ebee3787d5b… |
| 23.152.36.0 – 23.152.36.255 | 256 |  PR |
allocated | 2026-01-07 | 96f45e07568c… |
| 23.152.52.0 – 23.152.52.255 | 256 | US |
allocated | 2026-01-07 | b16f35ae7b2a… |
| 23.152.60.0 – 23.152.60.255 | 256 | US |
allocated | 2026-01-07 | c600079b1ffb… |
| 23.152.68.0 – 23.152.68.255 | 256 | US |
allocated | 2026-01-07 | 3008e8121eb9… |
| 23.152.76.0 – 23.152.76.255 | 256 | US |
allocated | 2026-01-07 | 7488b9e021ec… |
| 23.152.92.0 – 23.152.92.255 | 256 | US |
allocated | 2026-01-07 | 7d32078749ca… |
| 52.124.20.0 – 52.124.21.255 | 512 | US |
allocated | 2026-01-07 | e8df48a1b163… |
| 152.55.208.0 – 152.55.215.255 | 2,048 | US |
allocated | 2026-01-07 | 350ff0aac1a6… |
| 192.234.50.0 – 192.234.50.255 | 256 | US |
allocated | 2026-01-07 | 41ba9251815b… |
| 72.51.12.0 – 72.51.15.255 | 1,024 | US |
allocated | 2026-01-06 | cf2a25f11eaa… |
| 74.188.244.0 – 74.188.247.255 | 1,024 | US |
allocated | 2026-01-06 | 398a88fa9e97… |
| 78.224.0.0 – 78.227.255.255 | 262,144 | US |
allocated | 2026-01-06 | 20c786e8edd8… |
| 78.228.0.0 – 78.229.255.255 | 131,072 | US |
allocated | 2026-01-06 | 20c786e8edd8… |
| 78.230.0.0 – 78.230.255.255 | 65,536 | US |
allocated | 2026-01-06 | 20c786e8edd8… |
| 155.41.128.0 – 155.41.255.255 | 32,768 | US |
allocated | 2026-01-06 | 20c786e8edd8… |
| 204.57.216.0 – 204.57.216.255 | 256 | US |
allocated | 2026-01-06 | f00f80512ee3… |
| 204.57.217.0 – 204.57.217.255 | 256 | US |
allocated | 2026-01-06 | 47e2d258dc83… |
| 64.239.28.0 – 64.239.29.255 | 512 | US |
allocated | 2026-01-05 | 67e1f88dbd9e… |
| 66.71.222.0 – 66.71.223.255 | 512 | US |
allocated | 2026-01-05 | 388d2743ea3d… |
| 9.128.0.0 – 9.128.255.255 | 65,536 | US |
allocated | 2025-12-31 | feae0c5faca3… |
| 23.152.20.0 – 23.152.20.255 | 256 | US |
allocated | 2025-12-31 | 91d7f5a9a286… |
| 152.55.240.0 – 152.55.247.255 | 2,048 | US |
allocated | 2025-12-31 | fc24b3ca1497… |
| 153.66.0.0 – 153.67.255.255 | 131,072 | US |
allocated | 2025-12-31 | c1dfdf31702f… |
| 162.213.131.0 – 162.213.131.255 | 256 | US |
allocated | 2025-12-31 | f0a4824d0d73… |
| 204.59.0.0 – 204.59.255.255 | 65,536 | US |
allocated | 2025-12-31 | 20c786e8edd8… |
| 206.49.0.0 – 206.49.255.255 | 65,536 | US |
allocated | 2025-12-31 | 20c786e8edd8… |
| 23.151.244.0 – 23.151.244.255 | 256 | US |
allocated | 2025-12-30 | bb89e6870a3c… |
| 23.151.252.0 – 23.151.252.255 | 256 | US |
allocated | 2025-12-30 | 69fa178305f1… |
| 23.152.4.0 – 23.152.4.255 | 256 | US |
allocated | 2025-12-30 | f89131e5a214… |
| 23.152.12.0 – 23.152.12.255 | 256 | US |
allocated | 2025-12-30 | 05bdbffa46a2… |
| 69.46.44.0 – 69.46.44.255 | 256 | US |
allocated | 2025-12-30 | 89f7a8c53609… |
| 74.188.128.0 – 74.188.191.255 | 16,384 | US |
allocated | 2025-12-30 | b7040c3c329a… |
| 78.109.20.0 – 78.109.23.255 | 1,024 | US |
allocated | 2025-12-30 | 94f42ac3bfd2… |
| 135.132.192.0 – 135.132.255.255 | 16,384 | US |
allocated | 2025-12-30 | c481e8069b4b… |