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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.16.40.0 – 204.16.43.255 | 1,024 |  US |
allocated | 2005-11-15 | e694d3e50c55… |
| 204.16.236.0 – 204.16.239.255 | 1,024 | US |
allocated | 2005-11-15 | 2b6f680fe0b0… |
| 216.57.160.0 – 216.57.175.255 | 4,096 | US |
allocated | 2005-11-15 | 97c4e0ca0d92… |
| 204.16.228.0 – 204.16.231.255 | 1,024 | US |
allocated | 2005-11-14 | 7744520fa5e7… |
| 216.171.64.0 – 216.171.95.255 | 8,192 | US |
allocated | 2005-11-14 | 893537025965… |
| 67.59.192.0 – 67.59.207.255 | 4,096 | US |
allocated | 2005-11-11 | d8f4fe3af9a9… |
| 204.16.224.0 – 204.16.227.255 | 1,024 | US |
allocated | 2005-11-11 | 9a27f5c3234d… |
| 64.57.160.0 – 64.57.175.255 | 4,096 | US |
allocated | 2005-11-10 | 0f3361e2d6ff… |
| 64.92.128.0 – 64.92.159.255 | 8,192 | US |
allocated | 2005-11-10 | d538268083a4… |
| 66.186.32.0 – 66.186.63.255 | 8,192 | US |
allocated | 2005-11-10 | 46b40a4b0a26… |
| 204.16.180.0 – 204.16.183.255 | 1,024 | US |
allocated | 2005-11-10 | 645710f7ded8… |
| 204.16.184.0 – 204.16.191.255 | 2,048 | US |
allocated | 2005-11-10 | 3844d903c71b… |
| 64.39.64.0 – 64.39.65.255 | 512 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 64.39.66.0 – 64.39.66.255 | 256 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 64.39.69.0 – 64.39.69.255 | 256 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 64.39.72.0 – 64.39.73.255 | 512 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 64.39.74.0 – 64.39.74.255 | 256 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 64.39.76.0 – 64.39.79.255 | 1,024 | US |
allocated | 2005-11-09 | bb4c2be6735a… |
| 70.44.0.0 – 70.44.255.255 | 65,536 | US |
allocated | 2005-11-09 | 8c76fde22fe6… |
| 199.43.0.0 – 199.43.0.255 | 256 | US |
allocated | 2005-11-09 | 7779723493a1… |
| 204.16.168.0 – 204.16.175.255 | 2,048 | US |
allocated | 2005-11-09 | 811f7b83af6a… |
| 204.16.176.0 – 204.16.179.255 | 1,024 | US |
allocated | 2005-11-09 | b66a8f85918e… |
| 64.210.128.0 – 64.210.159.255 | 8,192 | US |
allocated | 2005-11-08 | 9d135eb38a45… |
| 67.58.64.0 – 67.58.95.255 | 8,192 | US |
allocated | 2005-11-08 | 320625f275e7… |
| 204.16.160.0 – 204.16.163.255 | 1,024 | US |
allocated | 2005-11-08 | 45f4f398af01… |
| 204.16.164.0 – 204.16.167.255 | 1,024 | US |
allocated | 2005-11-08 | b8ba5c167fb1… |
| 204.16.216.0 – 204.16.223.255 | 2,048 | US |
allocated | 2005-11-08 | ae1a0cb39c14… |
| 216.48.128.0 – 216.48.143.255 | 4,096 | US |
allocated | 2005-11-08 | e3fe6c6d06ad… |
| 64.15.128.0 – 64.15.159.255 | 8,192 |  CA |
allocated | 2005-11-07 | 6ea4dd5a36c2… |
| 70.43.0.0 – 70.43.255.255 | 65,536 | US |
allocated | 2005-11-07 | 6c065d5b54b8… |
| 199.7.71.0 – 199.7.71.255 | 256 | US |
allocated | 2005-11-07 | 1b2a06e2b1f1… |
| 199.7.72.0 – 199.7.75.255 | 1,024 | US |
allocated | 2005-11-07 | 1b2a06e2b1f1… |
| 199.7.76.0 – 199.7.76.255 | 256 | US |
allocated | 2005-11-07 | 1b2a06e2b1f1… |
| 199.7.78.0 – 199.7.79.255 | 512 | US |
allocated | 2005-11-07 | 1b2a06e2b1f1… |
| 199.7.80.0 – 199.7.80.255 | 256 | US |
allocated | 2005-11-07 | 1b2a06e2b1f1… |
| 204.16.200.0 – 204.16.207.255 | 2,048 | CA |
allocated | 2005-11-07 | cc021d359dd0… |
| 216.25.224.0 – 216.25.239.255 | 4,096 | US |
allocated | 2005-11-07 | f4b881dc048a… |
| 216.182.96.0 – 216.182.111.255 | 4,096 | US |
allocated | 2005-11-07 | e346b68a5c07… |
| 204.16.192.0 – 204.16.199.255 | 2,048 | US |
allocated | 2005-11-04 | 0b9873f38c6a… |
| 206.251.0.0 – 206.251.31.255 | 8,192 | US |
allocated | 2005-11-04 | 1a239a418e77… |
| 216.177.192.0 – 216.177.223.255 | 8,192 | US |
allocated | 2005-11-04 | b9a1c5613846… |
| 204.16.152.0 – 204.16.159.255 | 2,048 | US |
allocated | 2005-11-03 | e5e3b9c13678… |
| 206.132.160.0 – 206.132.175.255 | 4,096 | US |
allocated | 2005-11-03 | b36dc3134388… |
| 216.171.96.0 – 216.171.111.255 | 4,096 | CA |
allocated | 2005-11-03 | 0042cdeb1e05… |
| 216.182.128.0 – 216.182.143.255 | 4,096 | US |
allocated | 2005-11-03 | 68ec7568ef88… |
| 216.182.224.0 – 216.182.239.255 | 4,096 | US |
allocated | 2005-11-03 | 20c786e8edd8… |
| 204.16.136.0 – 204.16.139.255 | 1,024 | US |
allocated | 2005-11-02 | ee83a60c20fe… |
| 204.16.140.0 – 204.16.143.255 | 1,024 | US |
allocated | 2005-11-02 | 57df71b7c8f4… |
| 204.16.144.0 – 204.16.151.255 | 2,048 | CA |
allocated | 2005-11-02 | 1bcdbf22099c… |
| 204.9.176.0 – 204.9.179.255 | 1,024 | US |
allocated | 2005-11-01 | 21d756c978c1… |
| 204.16.124.0 – 204.16.127.255 | 1,024 | US |
allocated | 2005-11-01 | 27aef588ebe7… |
| 216.144.96.0 – 216.144.111.255 | 4,096 | US |
allocated | 2005-11-01 | 593b33c57b4d… |
| 64.131.0.0 – 64.131.63.255 | 16,384 | US |
allocated | 2005-10-31 | 90f9e877ce83… |
| 69.85.96.0 – 69.85.127.255 | 8,192 | US |
allocated | 2005-10-31 | c17b4db6c788… |
| 216.246.224.0 – 216.246.255.255 | 8,192 | CA |
allocated | 2005-10-31 | 9f2122981d76… |
| 67.158.192.0 – 67.158.223.255 | 8,192 | US |
allocated | 2005-10-28 | 0d72186b4f4f… |
| 72.164.0.0 – 72.165.255.255 | 131,072 | US |
allocated | 2005-10-28 | cdb7d42057bd… |
| 72.166.0.0 – 72.166.255.255 | 65,536 | US |
allocated | 2005-10-28 | cdb7d42057bd… |
| 204.16.108.0 – 204.16.111.255 | 1,024 | US |
allocated | 2005-10-28 | 6e048190eb9a… |
| 204.16.104.0 – 204.16.107.255 | 1,024 | US |
allocated | 2005-10-27 | b3a1de881015… |
| 206.174.192.0 – 206.174.223.255 | 8,192 | CA |
allocated | 2005-10-27 | f6378853cc62… |
| 66.59.0.0 – 66.59.31.255 | 8,192 | US |
allocated | 2005-10-26 | 8a9af80225d4… |
| 204.16.96.0 – 204.16.99.255 | 1,024 | US |
allocated | 2005-10-26 | 76b23aeba674… |
| 204.16.100.0 – 204.16.103.255 | 1,024 | CA |
allocated | 2005-10-26 | 50232af168db… |
| 204.16.88.0 – 204.16.95.255 | 2,048 | US |
allocated | 2005-10-25 | 8a092cfdf13a… |
| 206.197.31.0 – 206.197.31.255 | 256 | CA |
allocated | 2005-10-25 | a2eba22c6c42… |
| 216.14.96.0 – 216.14.111.255 | 4,096 | US |
allocated | 2005-10-25 | 4a87104fc02e… |
| 216.14.128.0 – 216.14.143.255 | 4,096 | CA |
allocated | 2005-10-25 | dcd08486c35a… |
| 67.63.64.0 – 67.63.127.255 | 16,384 | US |
allocated | 2005-10-24 | a940dbcbf654… |
| 204.16.80.0 – 204.16.83.255 | 1,024 | US |
allocated | 2005-10-24 | d538268083a4… |
| 204.16.84.0 – 204.16.87.255 | 1,024 | US |
allocated | 2005-10-24 | c2f06df25547… |
| 206.174.128.0 – 206.174.159.255 | 8,192 | US |
allocated | 2005-10-24 | c72120f65b9c… |
| 209.143.208.0 – 209.143.223.255 | 4,096 | US |
allocated | 2005-10-24 | 1c82ff0157c8… |
| 66.232.96.0 – 66.232.127.255 | 8,192 | US |
allocated | 2005-10-21 | 02dae35f3428… |
| 204.16.76.0 – 204.16.79.255 | 1,024 | US |
allocated | 2005-10-21 | e220ed812a4c… |
| 206.132.48.0 – 206.132.63.255 | 4,096 | CA |
allocated | 2005-10-21 | 6d548c03e6d5… |
| 204.16.64.0 – 204.16.67.255 | 1,024 | US |
allocated | 2005-10-19 | 8cabc774c75a… |
| 204.16.68.0 – 204.16.71.255 | 1,024 | US |
allocated | 2005-10-19 | ae2f2a148877… |
| 64.22.160.0 – 64.22.175.255 | 4,096 | US |
allocated | 2005-10-18 | 5865b7635cea… |
| 64.130.128.0 – 64.130.191.255 | 16,384 | US |
allocated | 2005-10-18 | 8b02b8e5da74… |
| 206.132.128.0 – 206.132.143.255 | 4,096 | US |
allocated | 2005-10-18 | 6dd79c3713b6… |
| 65.37.224.0 – 65.37.239.255 | 4,096 | US |
allocated | 2005-10-17 | e4a25f8062d9… |
| 66.160.224.0 – 66.160.239.255 | 4,096 | US |
allocated | 2005-10-17 | f1e69b8e49c7… |
| 204.16.48.0 – 204.16.55.255 | 2,048 | US |
allocated | 2005-10-17 | c69d336501b4… |
| 64.90.144.0 – 64.90.159.255 | 4,096 | US |
allocated | 2005-10-14 | 0adaa4669c2b… |
| 204.16.32.0 – 204.16.35.255 | 1,024 | US |
allocated | 2005-10-14 | 2d107579c4a9… |
| 64.68.208.0 – 64.68.223.255 | 4,096 | US |
allocated | 2005-10-13 | 893537025965… |
| 64.130.0.0 – 64.130.31.255 | 8,192 | US |
allocated | 2005-10-13 | 553baa5a5ca7… |
| 24.138.128.0 – 24.138.191.255 | 16,384 | CA |
allocated | 2005-10-12 | 041ef52753d9… |
| 64.57.240.0 – 64.57.255.255 | 4,096 | US |
allocated | 2005-10-12 | 11605ea9b000… |
| 69.6.96.0 – 69.6.127.255 | 8,192 | US |
allocated | 2005-10-12 | 970ab9cd999a… |
| 64.79.112.0 – 64.79.127.255 | 4,096 | US |
allocated | 2005-10-11 | 0a9e86466475… |
| 204.16.12.0 – 204.16.15.255 | 1,024 | US |
allocated | 2005-10-11 | c17b4db6c788… |
| 204.16.24.0 – 204.16.31.255 | 2,048 | US |
allocated | 2005-10-10 | 9b35a6cd5052… |
| 63.245.224.0 – 63.245.255.255 | 8,192 | US |
allocated | 2005-10-07 | f0506f049d2a… |
| 66.160.208.0 – 66.160.223.255 | 4,096 | US |
allocated | 2005-10-07 | d538268083a4… |
| 204.16.8.0 – 204.16.11.255 | 1,024 |  KN |
allocated | 2005-10-06 | ab6e02d48de9… |
| 66.211.32.0 – 66.211.63.255 | 8,192 | US |
allocated | 2005-10-05 | cdb7d42057bd… |
| 65.98.128.0 – 65.98.143.255 | 4,096 | US |
allocated | 2005-10-04 | 12e60256aff4… |
| 65.98.144.0 – 65.98.147.255 | 1,024 | US |
allocated | 2005-10-04 | 12e60256aff4… |