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
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 72.9.96.0 – 72.9.111.255 | 4,096 |  US |
allocated | 2004-10-04 | b351e26e73d8… |
| 206.53.208.0 – 206.53.223.255 | 4,096 | US |
allocated | 2004-10-04 | 3b192e8297f7… |
| 71.8.0.0 – 71.15.255.255 | 524,288 | US |
allocated | 2004-10-01 | 2ae6f8bcdd0f… |
| 72.9.0.0 – 72.9.31.255 | 8,192 | US |
allocated | 2004-10-01 | 98e6c615fd07… |
| 72.9.32.0 – 72.9.63.255 | 8,192 | US |
allocated | 2004-10-01 | d2ededa6cd53… |
| 72.9.64.0 – 72.9.95.255 | 8,192 | US |
allocated | 2004-10-01 | c195601aa41b… |
| 71.0.0.0 – 71.3.255.255 | 262,144 | US |
allocated | 2004-09-30 | cdb7d42057bd… |
| 72.5.0.0 – 72.5.15.255 | 4,096 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.20.0 – 72.5.23.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.24.0 – 72.5.31.255 | 2,048 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.36.0 – 72.5.39.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.40.0 – 72.5.41.255 | 512 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.44.0 – 72.5.45.255 | 512 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.48.0 – 72.5.63.255 | 4,096 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.64.0 – 72.5.95.255 | 8,192 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.100.0 – 72.5.103.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.104.0 – 72.5.111.255 | 2,048 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.112.0 – 72.5.115.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.144.0 – 72.5.159.255 | 4,096 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.160.0 – 72.5.163.255 | 1,024 | US |
allocated | 2004-09-30 | f624e02d3805… |
| 72.5.164.0 – 72.5.167.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.168.0 – 72.5.171.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.176.0 – 72.5.191.255 | 4,096 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.192.0 – 72.5.193.255 | 512 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.195.0 – 72.5.195.255 | 256 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.196.0 – 72.5.199.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.200.0 – 72.5.201.255 | 512 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.202.0 – 72.5.202.255 | 256 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.204.0 – 72.5.207.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.208.0 – 72.5.215.255 | 2,048 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.216.0 – 72.5.219.255 | 1,024 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 72.5.224.0 – 72.5.255.255 | 8,192 | US |
allocated | 2004-09-30 | 327bf0000e76… |
| 204.9.100.0 – 204.9.103.255 | 1,024 | US |
allocated | 2004-09-29 | df0759bd0141… |
| 72.0.224.0 – 72.0.239.255 | 4,096 | US |
allocated | 2004-09-28 | 757f4749aebb… |
| 204.9.84.0 – 204.9.87.255 | 1,024 | US |
allocated | 2004-09-28 | dba1b734db19… |
| 199.7.65.0 – 199.7.65.255 | 256 | US |
allocated | 2004-09-27 | 03faf20fc077… |
| 199.7.66.0 – 199.7.66.255 | 256 | US |
allocated | 2004-09-27 | 03faf20fc077… |
| 199.7.67.0 – 199.7.67.255 | 256 | US |
allocated | 2004-09-27 | d46edd86fd49… |
| 199.7.68.0 – 199.7.69.255 | 512 | US |
allocated | 2004-09-27 | d46edd86fd49… |
| 206.127.176.0 – 206.127.191.255 | 4,096 | US |
allocated | 2004-09-27 | 03baf6d4b3df… |
| 70.92.0.0 – 70.95.255.255 | 262,144 | US |
allocated | 2004-09-22 | d2fc8fbc818f… |
| 72.0.160.0 – 72.0.191.255 | 8,192 | US |
allocated | 2004-09-22 | b473330fef07… |
| 206.126.80.0 – 206.126.95.255 | 4,096 |  CA |
allocated | 2004-09-22 | c2852f1df4b3… |
| 206.126.208.0 – 206.126.223.255 | 4,096 | US |
allocated | 2004-09-22 | e8e4d025b357… |
| 70.104.0.0 – 70.104.255.255 | 65,536 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.105.0.0 – 70.105.127.255 | 32,768 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.105.128.0 – 70.105.191.255 | 16,384 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.105.192.0 – 70.105.223.255 | 8,192 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.105.224.0 – 70.105.255.255 | 8,192 | US |
allocated | 2004-09-21 | 013c0ebdd6ce… |
| 70.106.0.0 – 70.107.255.255 | 131,072 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.108.0.0 – 70.108.255.255 | 65,536 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.109.0.0 – 70.109.127.255 | 32,768 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.109.128.0 – 70.109.191.255 | 16,384 | US |
allocated | 2004-09-21 | 013c0ebdd6ce… |
| 70.109.192.0 – 70.109.255.255 | 16,384 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 70.110.0.0 – 70.111.255.255 | 131,072 | US |
allocated | 2004-09-21 | e220ed812a4c… |
| 204.9.68.0 – 204.9.71.255 | 1,024 | US |
allocated | 2004-09-21 | ecf9c665526b… |
| 204.9.72.0 – 204.9.79.255 | 2,048 | US |
allocated | 2004-09-21 | 9ac42f85cc99… |
| 216.150.240.0 – 216.150.255.255 | 4,096 | US |
allocated | 2004-09-20 | 1c5aa80c2cf3… |
| 70.112.0.0 – 70.127.255.255 | 1,048,576 | US |
allocated | 2004-09-17 | d2fc8fbc818f… |
| 72.2.0.0 – 72.2.63.255 | 16,384 | CA |
allocated | 2004-09-17 | f6378853cc62… |
| 204.9.64.0 – 204.9.67.255 | 1,024 | US |
allocated | 2004-09-16 | c0fd212b13d9… |
| 24.72.144.0 – 24.72.159.255 | 4,096 | US |
allocated | 2004-09-15 | f8b30896361c… |
| 204.9.56.0 – 204.9.57.255 | 512 | US |
allocated | 2004-09-15 | 36652e6d2cef… |
| 204.9.58.0 – 204.9.58.255 | 256 | US |
allocated | 2004-09-15 | 6a44edd0ca19… |
| 204.9.61.0 – 204.9.61.255 | 256 | US |
allocated | 2004-09-15 | 36652e6d2cef… |
| 204.9.62.0 – 204.9.62.255 | 256 | US |
allocated | 2004-09-15 | 36652e6d2cef… |
| 72.0.128.0 – 72.0.159.255 | 8,192 | US |
allocated | 2004-09-14 | f57036a35d7c… |
| 204.9.48.0 – 204.9.55.255 | 2,048 | US |
allocated | 2004-09-14 | 4a87104fc02e… |
| 216.47.48.0 – 216.47.63.255 | 4,096 | US |
allocated | 2004-09-14 | 60728115fb98… |
| 216.126.240.0 – 216.126.255.255 | 4,096 | CA |
allocated | 2004-09-14 | 1c91e66cffcb… |
| 216.171.176.0 – 216.171.191.255 | 4,096 | US |
allocated | 2004-09-14 | 73265aac20bd… |
| 72.0.0.0 – 72.0.31.255 | 8,192 | US |
allocated | 2004-09-10 | cc9bddf022dc… |
| 72.0.64.0 – 72.0.79.255 | 4,096 | CA |
allocated | 2004-09-10 | d35da7eebe86… |
| 72.0.96.0 – 72.0.127.255 | 8,192 | US |
allocated | 2004-09-10 | e5e3b9c13678… |
| 72.1.192.0 – 72.1.223.255 | 8,192 | CA |
allocated | 2004-09-10 | 0042cdeb1e05… |
| 216.109.208.0 – 216.109.223.255 | 4,096 | US |
allocated | 2004-09-10 | f5f7b3f4a69d… |
| 216.210.112.0 – 216.210.127.255 | 4,096 | US |
allocated | 2004-09-10 | 7f51543ef5bc… |
| 70.96.0.0 – 70.96.127.255 | 32,768 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.128.0 – 70.96.191.255 | 16,384 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.192.0 – 70.96.199.255 | 2,048 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.200.0 – 70.96.203.255 | 1,024 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.204.0 – 70.96.207.255 | 1,024 | US |
allocated | 2004-09-09 | 4c23d3ce197c… |
| 70.96.208.0 – 70.96.215.255 | 2,048 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.216.0 – 70.96.219.255 | 1,024 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.96.220.0 – 70.96.223.255 | 1,024 | US |
allocated | 2004-09-09 | 4c23d3ce197c… |
| 70.96.224.0 – 70.96.255.255 | 8,192 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.0.0 – 70.97.63.255 | 16,384 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.64.0 – 70.97.79.255 | 4,096 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.80.0 – 70.97.83.255 | 1,024 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.84.0 – 70.97.85.255 | 512 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.86.0 – 70.97.87.255 | 512 | US |
allocated | 2004-09-09 | 4c23d3ce197c… |
| 70.97.88.0 – 70.97.95.255 | 2,048 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.96.0 – 70.97.127.255 | 8,192 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.128.0 – 70.97.131.255 | 1,024 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.132.0 – 70.97.133.255 | 512 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.134.0 – 70.97.135.255 | 512 | US |
allocated | 2004-09-09 | 4c23d3ce197c… |
| 70.97.136.0 – 70.97.143.255 | 2,048 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.144.0 – 70.97.159.255 | 4,096 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.160.0 – 70.97.175.255 | 4,096 | US |
allocated | 2004-09-09 | 07b4afc6ca39… |
| 70.97.176.0 – 70.97.191.255 | 4,096 | US |
allocated | 2004-09-09 | 4c23d3ce197c… |