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
1,644,591,360
📦
IPv4 networks
76,802
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 |
|---|---|---|---|---|---|
| 207.181.32.0 – 207.181.63.255 | 8,192 |  US |
allocated | 1999-09-30 | 9debf7ce6bf9… |
| 216.244.64.0 – 216.244.95.255 | 8,192 | US |
allocated | 1999-09-29 | 1d0bff172f08… |
| 209.234.64.0 – 209.234.95.255 | 8,192 | US |
allocated | 1999-09-28 | 5ad6348a6e84… |
| 216.241.96.0 – 216.241.111.255 | 4,096 | US |
allocated | 1999-09-28 | 4b179ab78b2a… |
| 209.21.64.0 – 209.21.95.255 | 8,192 | US |
allocated | 1999-09-24 | 056ce53de9e8… |
| 216.241.32.0 – 216.241.47.255 | 4,096 | US |
allocated | 1999-09-24 | 911c6bb3d36c… |
| 207.171.160.0 – 207.171.191.255 | 8,192 | US |
allocated | 1999-09-23 | bda9ea2b27b8… |
| 209.209.192.0 – 209.209.223.255 | 8,192 | US |
allocated | 1999-09-23 | e4a25f8062d9… |
| 216.237.128.0 – 216.237.191.255 | 16,384 | US |
allocated | 1999-09-23 | e220ed812a4c… |
| 216.240.160.0 – 216.240.191.255 | 8,192 | US |
allocated | 1999-09-23 | 09c78ed468e8… |
| 209.193.64.0 – 209.193.95.255 | 8,192 | US |
allocated | 1999-09-21 | 302960e84b60… |
| 209.193.96.0 – 209.193.111.255 | 4,096 | US |
allocated | 1999-09-21 | 302960e84b60… |
| 209.191.192.0 – 209.191.223.255 | 8,192 | US |
allocated | 1999-09-20 | 1601f35d99a7… |
| 216.240.96.0 – 216.240.111.255 | 4,096 | US |
allocated | 1999-09-20 | 287c465e80aa… |
| 216.242.0.0 – 216.242.255.255 | 65,536 | US |
allocated | 1999-09-20 | 66e68ecd93af… |
| 216.240.32.0 – 216.240.63.255 | 8,192 | US |
allocated | 1999-09-17 | 21db39a55000… |
| 216.240.64.0 – 216.240.95.255 | 8,192 | US |
allocated | 1999-09-17 | 0f7106e7d256… |
| 216.240.0.0 – 216.240.15.255 | 4,096 |  CA |
allocated | 1999-09-16 | 0646fdc1a0f0… |
| 216.237.0.0 – 216.237.7.255 | 2,048 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.8.0 – 216.237.11.255 | 1,024 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.12.0 – 216.237.12.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.13.0 – 216.237.13.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.14.0 – 216.237.15.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.16.0 – 216.237.16.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.17.0 – 216.237.17.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.18.0 – 216.237.19.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.20.0 – 216.237.21.255 | 512 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.22.0 – 216.237.23.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.24.0 – 216.237.24.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.25.0 – 216.237.25.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.26.0 – 216.237.26.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.27.0 – 216.237.27.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.28.0 – 216.237.28.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.29.0 – 216.237.29.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.30.0 – 216.237.30.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.31.0 – 216.237.31.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.32.0 – 216.237.32.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.33.0 – 216.237.33.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.34.0 – 216.237.35.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.36.0 – 216.237.36.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.37.0 – 216.237.37.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.38.0 – 216.237.39.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.40.0 – 216.237.40.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.41.0 – 216.237.41.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.42.0 – 216.237.43.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.44.0 – 216.237.44.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.45.0 – 216.237.45.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.46.0 – 216.237.47.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.48.0 – 216.237.49.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.50.0 – 216.237.50.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.51.0 – 216.237.51.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.52.0 – 216.237.52.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.53.0 – 216.237.53.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.54.0 – 216.237.55.255 | 512 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.56.0 – 216.237.56.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.57.0 – 216.237.57.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.58.0 – 216.237.58.255 | 256 | US |
allocated | 1999-09-15 | b2ed8ec67894… |
| 216.237.59.0 – 216.237.59.255 | 256 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 216.237.60.0 – 216.237.63.255 | 1,024 | US |
allocated | 1999-09-15 | b0eabe23f5c8… |
| 209.190.192.0 – 209.190.255.255 | 16,384 | US |
allocated | 1999-09-14 | 9f250f5ca99a… |
| 216.235.128.0 – 216.235.159.255 | 8,192 | US |
allocated | 1999-09-14 | 34d342be0361… |
| 216.235.160.0 – 216.235.175.255 | 4,096 | US |
allocated | 1999-09-14 | 1a58ea4dd892… |
| 216.235.192.0 – 216.235.207.255 | 4,096 | US |
allocated | 1999-09-14 | cf3e4de59164… |
| 216.235.64.0 – 216.235.79.255 | 4,096 | US |
allocated | 1999-09-09 | 733a7e33ee6f… |
| 209.166.64.0 – 209.166.95.255 | 8,192 | US |
allocated | 1999-09-08 | 47460f74e05f… |
| 216.235.0.0 – 216.235.15.255 | 4,096 | CA |
allocated | 1999-09-08 | d265cd9f5f65… |
| 216.235.32.0 – 216.235.63.255 | 8,192 | US |
allocated | 1999-09-08 | d2fc8fbc818f… |
| 207.218.192.0 – 207.218.255.255 | 16,384 | US |
allocated | 1999-09-07 | 5dba07179e25… |
| 207.179.192.0 – 207.179.255.255 | 16,384 | US |
allocated | 1999-09-03 | dfe5691a9024… |
| 208.57.0.0 – 208.57.255.255 | 65,536 | US |
allocated | 1999-09-03 | 2665cd8edb72… |
| 216.236.64.0 – 216.236.95.255 | 8,192 | US |
allocated | 1999-09-03 | 6c065d5b54b8… |
| 208.58.0.0 – 208.59.255.255 | 131,072 | US |
allocated | 1999-09-02 | d497a9a99490… |
| 216.163.190.0 – 216.163.191.255 | 512 | US |
allocated | 1999-09-01 | 581cddf479a5… |
| 207.179.64.0 – 207.179.127.255 | 16,384 | US |
allocated | 1999-08-31 | 80f2963d09b8… |
| 208.181.0.0 – 208.181.255.255 | 65,536 | CA |
allocated | 1999-08-31 | 0e702695cc8d… |
| 216.163.128.0 – 216.163.143.255 | 4,096 | US |
allocated | 1999-08-31 | 1b1168d30e00… |
| 216.234.160.0 – 216.234.167.255 | 2,048 | CA |
allocated | 1999-08-31 | 6b75b6fdf211… |
| 216.234.224.0 – 216.234.255.255 | 8,192 | US |
allocated | 1999-08-31 | 5dba07179e25… |
| 208.60.0.0 – 208.63.255.255 | 262,144 | US |
allocated | 1999-08-30 | 81e05477cc28… |
| 216.218.0.0 – 216.218.63.255 | 16,384 | CA |
allocated | 1999-08-30 | 0e702695cc8d… |
| 216.218.128.0 – 216.218.255.255 | 32,768 | US |
allocated | 1999-08-30 | e2e9e26bea21… |
| 192.34.199.0 – 192.34.199.255 | 256 | CA |
allocated | 1999-08-27 | 2b14aa9bcaf3… |
| 208.55.0.0 – 208.55.255.255 | 65,536 | US |
allocated | 1999-08-26 | 9f14454567a6… |
| 208.188.0.0 – 208.191.255.255 | 262,144 | US |
allocated | 1999-08-26 | 81e05477cc28… |
| 216.234.96.0 – 216.234.127.255 | 8,192 | US |
allocated | 1999-08-26 | cdd84ebb08e4… |
| 208.186.0.0 – 208.186.127.255 | 32,768 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.128.0 – 208.186.191.255 | 16,384 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.192.0 – 208.186.199.255 | 2,048 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.200.0 – 208.186.203.255 | 1,024 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.204.0 – 208.186.205.255 | 512 | US |
allocated | 1999-08-24 | 4c23d3ce197c… |
| 208.186.206.0 – 208.186.207.255 | 512 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.208.0 – 208.186.223.255 | 4,096 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.186.224.0 – 208.186.255.255 | 8,192 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.0.0 – 208.187.31.255 | 8,192 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.32.0 – 208.187.39.255 | 2,048 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.40.0 – 208.187.43.255 | 1,024 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.44.0 – 208.187.45.255 | 512 | US |
allocated | 1999-08-24 | 4c23d3ce197c… |
| 208.187.46.0 – 208.187.47.255 | 512 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.48.0 – 208.187.63.255 | 4,096 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.64.0 – 208.187.95.255 | 8,192 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |