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 |
|---|---|---|---|---|---|
| 216.10.192.0 – 216.10.207.255 | 4,096 |  US |
allocated | 1999-12-23 | 525d21a3f16c… |
| 64.21.0.0 – 64.21.127.255 | 32,768 | US |
allocated | 1999-12-22 | 0e660f095dee… |
| 64.21.128.0 – 64.21.159.255 | 8,192 | US |
allocated | 1999-12-22 | 0e660f095dee… |
| 64.21.160.0 – 64.21.175.255 | 4,096 | US |
allocated | 1999-12-22 | 0e660f095dee… |
| 64.21.176.0 – 64.21.183.255 | 2,048 | US |
allocated | 1999-12-22 | 0e660f095dee… |
| 64.7.160.0 – 64.7.191.255 | 8,192 | US |
allocated | 1999-12-21 | 70d585fb0d51… |
| 24.240.0.0 – 24.241.255.255 | 131,072 | US |
allocated | 1999-12-17 | 2ae6f8bcdd0f… |
| 64.7.128.0 – 64.7.159.255 | 8,192 |  CA |
allocated | 1999-12-17 | 7a02871c126e… |
| 64.17.48.0 – 64.17.63.255 | 4,096 | US |
allocated | 1999-12-17 | 37fe01d6d027… |
| 64.7.96.0 – 64.7.111.255 | 4,096 | US |
allocated | 1999-12-16 | 9968f5cfc96b… |
| 64.5.192.0 – 64.5.255.255 | 16,384 | CA |
allocated | 1999-12-15 | 7de51f8320f6… |
| 64.7.64.0 – 64.7.79.255 | 4,096 | US |
allocated | 1999-12-15 | e39ba940ed98… |
| 64.7.80.0 – 64.7.87.255 | 2,048 | US |
allocated | 1999-12-15 | e39ba940ed98… |
| 64.5.128.0 – 64.5.159.255 | 8,192 | US |
allocated | 1999-12-14 | a71a8b6453f3… |
| 64.12.0.0 – 64.12.255.255 | 65,536 | US |
allocated | 1999-12-13 | ce876149de4d… |
| 64.14.0.0 – 64.14.255.255 | 65,536 | US |
allocated | 1999-12-13 | cdb7d42057bd… |
| 216.140.0.0 – 216.143.255.255 | 262,144 | US |
allocated | 1999-12-13 | e5e3b9c13678… |
| 192.197.135.0 – 192.197.135.255 | 256 | CA |
allocated | 1999-12-10 | 0bfc09476656… |
| 192.197.136.0 – 192.197.137.255 | 512 | CA |
allocated | 1999-12-10 | 0bfc09476656… |
| 64.10.0.0 – 64.11.255.255 | 131,072 | US |
allocated | 1999-12-09 | e220ed812a4c… |
| 64.9.128.0 – 64.9.191.255 | 16,384 | US |
allocated | 1999-12-08 | 2f174894386d… |
| 64.4.128.0 – 64.4.159.255 | 8,192 | US |
allocated | 1999-12-07 | 86987f63c1be… |
| 64.4.192.0 – 64.4.223.255 | 8,192 | US |
allocated | 1999-12-07 | 37fe01d6d027… |
| 64.5.0.0 – 64.5.31.255 | 8,192 | US |
allocated | 1999-12-07 | 1723481800eb… |
| 64.6.224.0 – 64.6.255.255 | 8,192 | US |
allocated | 1999-12-07 | a6b65597e29a… |
| 64.7.0.0 – 64.7.31.255 | 8,192 | US |
allocated | 1999-12-07 | a7f7463af3d3… |
| 64.8.128.0 – 64.8.191.255 | 16,384 | US |
allocated | 1999-12-07 | 15377a2b0a6b… |
| 64.9.0.0 – 64.9.127.255 | 32,768 | US |
allocated | 1999-12-07 | e5e3b9c13678… |
| 216.241.240.0 – 216.241.255.255 | 4,096 | US |
allocated | 1999-12-07 | 1babc6b53fe5… |
| 63.160.0.0 – 63.175.255.255 | 1,048,576 | US |
allocated | 1999-12-03 | 37fe01d6d027… |
| 199.33.64.0 – 199.33.64.255 | 256 | US |
allocated | 1999-12-03 | 413e5e025dcc… |
| 199.33.79.0 – 199.33.79.255 | 256 | US |
allocated | 1999-12-03 | 413e5e025dcc… |
| 199.33.81.0 – 199.33.81.255 | 256 | US |
allocated | 1999-12-03 | 0e2001c88fec… |
| 199.33.119.0 – 199.33.119.255 | 256 | US |
allocated | 1999-12-03 | 0e2001c88fec… |
| 205.175.208.0 – 205.175.208.255 | 256 | US |
allocated | 1999-12-03 | 0e2001c88fec… |
| 205.175.224.0 – 205.175.224.255 | 256 | US |
allocated | 1999-12-03 | 0e2001c88fec… |
| 63.251.0.0 – 63.251.7.255 | 2,048 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.8.0 – 63.251.11.255 | 1,024 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.12.0 – 63.251.13.255 | 512 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.14.0 – 63.251.15.255 | 512 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.16.0 – 63.251.31.255 | 4,096 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.32.0 – 63.251.63.255 | 8,192 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.64.0 – 63.251.79.255 | 4,096 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.80.0 – 63.251.83.255 | 1,024 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.84.0 – 63.251.85.255 | 512 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.86.0 – 63.251.87.255 | 512 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.88.0 – 63.251.95.255 | 2,048 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.96.0 – 63.251.99.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.100.0 – 63.251.103.255 | 1,024 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.104.0 – 63.251.107.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.108.0 – 63.251.111.255 | 1,024 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.112.0 – 63.251.115.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.116.0 – 63.251.116.255 | 256 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.118.0 – 63.251.119.255 | 512 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.121.0 – 63.251.121.255 | 256 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.123.0 – 63.251.123.255 | 256 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.124.0 – 63.251.127.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.128.0 – 63.251.191.255 | 16,384 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.192.0 – 63.251.199.255 | 2,048 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.200.0 – 63.251.200.255 | 256 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.203.0 – 63.251.203.255 | 256 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.204.0 – 63.251.207.255 | 1,024 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.208.0 – 63.251.223.255 | 4,096 | US |
allocated | 1999-12-02 | 327bf0000e76… |
| 63.251.224.0 – 63.251.227.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.228.0 – 63.251.228.255 | 256 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.230.0 – 63.251.231.255 | 512 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.232.0 – 63.251.235.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.238.0 – 63.251.239.255 | 512 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.240.0 – 63.251.243.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 63.251.244.0 – 63.251.247.255 | 1,024 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.248.0 – 63.251.251.255 | 1,024 | US |
allocated | 1999-12-02 | 2908fc017227… |
| 63.251.252.0 – 63.251.255.255 | 1,024 | US |
allocated | 1999-12-02 | f624e02d3805… |
| 64.6.128.0 – 64.6.159.255 | 8,192 | US |
allocated | 1999-12-02 | 066237153c01… |
| 64.6.160.0 – 64.6.191.255 | 8,192 | US |
allocated | 1999-12-02 | a7f7463af3d3… |
| 64.32.128.0 – 64.32.255.255 | 32,768 | US |
allocated | 1999-12-02 | a7f7463af3d3… |
| 198.62.8.0 – 198.62.9.255 | 512 | US |
allocated | 1999-12-02 | 0e2001c88fec… |
| 198.62.10.0 – 198.62.10.255 | 256 | US |
allocated | 1999-12-02 | 0e2001c88fec… |
| 199.191.32.0 – 199.191.35.255 | 1,024 | US |
allocated | 1999-12-02 | 0e2001c88fec… |
| 199.191.36.0 – 199.191.36.255 | 256 | US |
allocated | 1999-12-02 | 0e2001c88fec… |
| 64.8.0.0 – 64.8.63.255 | 16,384 | US |
allocated | 1999-12-01 | e5e3b9c13678… |
| 64.8.64.0 – 64.8.95.255 | 8,192 | US |
allocated | 1999-12-01 | e5e3b9c13678… |
| 63.128.0.0 – 63.129.255.255 | 131,072 | US |
allocated | 1999-11-30 | cdb7d42057bd… |
| 63.130.0.0 – 63.130.255.255 | 65,536 | US |
allocated | 1999-11-30 | 8d94230a2495… |
| 64.4.64.0 – 64.4.95.255 | 8,192 | CA |
allocated | 1999-11-30 | 7de51f8320f6… |
| 64.6.48.0 – 64.6.63.255 | 4,096 | US |
allocated | 1999-11-30 | a3f5dfc66d52… |
| 207.228.224.0 – 207.228.255.255 | 8,192 | US |
allocated | 1999-11-30 | 441b67d36f8f… |
| 24.150.0.0 – 24.150.255.255 | 65,536 | CA |
allocated | 1999-11-29 | 7f8d2810def2… |
| 64.6.0.0 – 64.6.15.255 | 4,096 | US |
allocated | 1999-11-29 | 97be577cd3f6… |
| 63.250.192.0 – 63.250.223.255 | 8,192 | US |
allocated | 1999-11-24 | c2dfb9e7c865… |
| 64.4.0.0 – 64.4.63.255 | 16,384 | US |
allocated | 1999-11-24 | b004b3ecde24… |
| 207.206.224.0 – 207.206.255.255 | 8,192 | US |
allocated | 1999-11-23 | 0908384ecb8f… |
| 207.207.96.0 – 207.207.127.255 | 8,192 | US |
allocated | 1999-11-23 | 2f9beb9fea65… |
| 63.236.0.0 – 63.239.255.255 | 262,144 | US |
allocated | 1999-11-19 | cdb7d42057bd… |
| 63.250.64.0 – 63.250.95.255 | 8,192 | US |
allocated | 1999-11-19 | da30a61dbdb2… |
| 63.250.128.0 – 63.250.191.255 | 16,384 | US |
allocated | 1999-11-19 | 551b723eafd6… |
| 216.251.224.0 – 216.251.255.255 | 8,192 | US |
allocated | 1999-11-19 | 9837eb03cd74… |
| 63.252.0.0 – 63.253.255.255 | 131,072 | US |
allocated | 1999-11-18 | 6c065d5b54b8… |
| 63.254.0.0 – 63.254.127.255 | 32,768 | US |
allocated | 1999-11-18 | 6c065d5b54b8… |
| 63.254.152.0 – 63.254.159.255 | 2,048 | US |
allocated | 1999-11-18 | 6e048190eb9a… |
| 63.254.192.0 – 63.254.255.255 | 16,384 | US |
allocated | 1999-11-18 | 6c065d5b54b8… |