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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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 | b5caaee56ff8… |
| 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… |
| 208.187.96.0 – 208.187.111.255 | 4,096 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.112.0 – 208.187.115.255 | 1,024 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.116.0 – 208.187.117.255 | 512 | US |
allocated | 1999-08-24 | 4c23d3ce197c… |
| 208.187.118.0 – 208.187.119.255 | 512 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.120.0 – 208.187.123.255 | 1,024 | US |
allocated | 1999-08-24 | 4c23d3ce197c… |
| 208.187.124.0 – 208.187.127.255 | 1,024 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 208.187.128.0 – 208.187.255.255 | 32,768 | US |
allocated | 1999-08-24 | 07b4afc6ca39… |
| 216.203.128.0 – 216.203.255.255 | 32,768 | US |
allocated | 1999-08-24 | e220ed812a4c… |
| 207.115.64.0 – 207.115.95.255 | 8,192 | US |
allocated | 1999-08-23 | 860fa092fe05… |
| 216.127.128.0 – 216.127.159.255 | 8,192 | US |
allocated | 1999-08-20 | de8661e1fc1b… |
| 216.163.96.0 – 216.163.127.255 | 8,192 | US |
allocated | 1999-08-20 | 92cd417a5926… |
| 216.174.192.0 – 216.174.255.255 | 16,384 | US |
allocated | 1999-08-20 | 07b4afc6ca39… |
| 216.234.0.0 – 216.234.31.255 | 8,192 | US |
allocated | 1999-08-20 | a56f80165340… |
| 216.234.32.0 – 216.234.63.255 | 8,192 | CA |
allocated | 1999-08-20 | d6ec557bdc4e… |
| 208.184.0.0 – 208.185.255.255 | 131,072 | US |
allocated | 1999-08-19 | 34d342be0361… |
| 216.163.160.0 – 216.163.175.255 | 4,096 | US |
allocated | 1999-08-19 | ad3600cb6653… |
| 216.174.128.0 – 216.174.159.255 | 8,192 | CA |
allocated | 1999-08-19 | 63072a7115f6… |
| 216.203.0.0 – 216.203.7.255 | 2,048 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.8.0 – 216.203.11.255 | 1,024 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.12.0 – 216.203.12.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.14.0 – 216.203.14.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.16.0 – 216.203.19.255 | 1,024 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.22.0 – 216.203.23.255 | 512 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.24.0 – 216.203.25.255 | 512 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.30.0 – 216.203.30.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.32.0 – 216.203.35.255 | 1,024 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.36.0 – 216.203.36.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.39.0 – 216.203.39.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.40.0 – 216.203.47.255 | 2,048 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.48.0 – 216.203.55.255 | 2,048 | US |
allocated | 1999-08-18 | 66e68ecd93af… |
| 216.203.58.0 – 216.203.58.255 | 256 | US |
allocated | 1999-08-18 | 66e68ecd93af… |