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
1,645,592,320
📦
IPv4 networks
76,752
delegated blocks
🧭
IPv6 networks
11,431
delegated blocks
🔗
Autonomous systems
34,103
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 155.103.76.0 – 155.103.76.255 | 256 |  US |
allocated | 2026-01-13 | cc456369cf2b… |
| 155.103.77.0 – 155.103.77.255 | 256 | US |
allocated | 2026-01-13 | f3eee451680d… |
| 155.103.78.0 – 155.103.78.255 | 256 | US |
allocated | 2026-01-13 | ff460d688109… |
| 155.103.80.0 – 155.103.83.255 | 1,024 | US |
allocated | 2026-01-13 | 10c9cb88e713… |
| 155.103.84.0 – 155.103.87.255 | 1,024 | US |
allocated | 2026-01-13 | e489f2ef9b9b… |
| 155.103.88.0 – 155.103.91.255 | 1,024 | US |
allocated | 2026-01-13 | 100e5a8bf104… |
| 155.103.92.0 – 155.103.92.255 | 256 | US |
allocated | 2026-01-13 | 58c67c5f0a44… |
| 155.103.93.0 – 155.103.93.255 | 256 | US |
allocated | 2026-01-13 | ccab7eb394fd… |
| 155.103.95.0 – 155.103.95.255 | 256 | US |
allocated | 2026-01-13 | 9a55997f0f77… |
| 155.103.96.0 – 155.103.99.255 | 1,024 | US |
allocated | 2026-01-13 | 1073e01c108f… |
| 155.103.100.0 – 155.103.103.255 | 1,024 | US |
allocated | 2026-01-13 | 01494a6db105… |
| 155.103.104.0 – 155.103.107.255 | 1,024 | US |
allocated | 2026-01-13 | bd118a064544… |
| 155.103.109.0 – 155.103.109.255 | 256 | US |
allocated | 2026-01-13 | ab908cc228c8… |
| 155.103.110.0 – 155.103.110.255 | 256 | US |
allocated | 2026-01-13 | c1fc7c7d053d… |
| 155.103.111.0 – 155.103.111.255 | 256 | US |
allocated | 2026-01-13 | ab9a44825cf3… |
| 155.103.112.0 – 155.103.115.255 | 1,024 | US |
allocated | 2026-01-13 | 5c3d85746ba9… |
| 155.103.116.0 – 155.103.119.255 | 1,024 | US |
allocated | 2026-01-13 | 0532249db02b… |
| 155.103.124.0 – 155.103.125.255 | 512 | US |
allocated | 2026-01-13 | 1207ac435f4d… |
| 155.103.126.0 – 155.103.127.255 | 512 | US |
allocated | 2026-01-13 | 4ed61c6aa75f… |
| 155.103.128.0 – 155.103.131.255 | 1,024 | US |
allocated | 2026-01-13 | 7bc1ff908a7a… |
| 155.103.132.0 – 155.103.135.255 | 1,024 | US |
allocated | 2026-01-13 | 0754207f9812… |
| 155.103.136.0 – 155.103.139.255 | 1,024 | US |
allocated | 2026-01-13 | a3dff07a955e… |
| 155.103.144.0 – 155.103.147.255 | 1,024 | US |
allocated | 2026-01-13 | 9105e2787f6f… |
| 155.103.148.0 – 155.103.151.255 | 1,024 |  CA |
allocated | 2026-01-13 | 242ed7177cc8… |
| 155.103.152.0 – 155.103.155.255 | 1,024 | US |
allocated | 2026-01-13 | ec0970844cee… |
| 155.103.156.0 – 155.103.159.255 | 1,024 | US |
allocated | 2026-01-13 | 02a2dfcb4acf… |
| 155.103.160.0 – 155.103.163.255 | 1,024 |  JP |
allocated | 2026-01-13 | 2526630b3ebf… |
| 155.103.164.0 – 155.103.167.255 | 1,024 | CA |
allocated | 2026-01-13 | 8d617c1bb113… |
| 155.103.172.0 – 155.103.175.255 | 1,024 | US |
allocated | 2026-01-13 | d6d736f1268e… |
| 155.103.176.0 – 155.103.179.255 | 1,024 | US |
allocated | 2026-01-13 | 414ef7857539… |
| 155.103.180.0 – 155.103.180.255 | 256 | US |
allocated | 2026-01-13 | 211033d2c4ae… |
| 155.103.182.0 – 155.103.182.255 | 256 | US |
allocated | 2026-01-13 | 1d7b33fc26ca… |
| 155.103.185.0 – 155.103.185.255 | 256 | US |
allocated | 2026-01-13 | e7d8d646c815… |
| 155.103.186.0 – 155.103.186.255 | 256 | US |
allocated | 2026-01-13 | da87790d83c0… |
| 155.103.187.0 – 155.103.187.255 | 256 | US |
allocated | 2026-01-13 | 507dcdc0b728… |
| 155.103.188.0 – 155.103.189.255 | 512 | US |
allocated | 2026-01-13 | 85893a89da48… |
| 155.103.190.0 – 155.103.190.255 | 256 | US |
allocated | 2026-01-13 | cbeb726ec8ce… |
| 155.103.191.0 – 155.103.191.255 | 256 | US |
allocated | 2026-01-13 | 25d69ee207db… |
| 155.103.192.0 – 155.103.192.255 | 256 | CA |
allocated | 2026-01-13 | 82a3974c4625… |
| 155.103.193.0 – 155.103.193.255 | 256 | US |
allocated | 2026-01-13 | 52e0e4e7eeba… |
| 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… |
| 192.75.196.0 – 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… |
| 204.15.240.0 – 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… |