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 |
|---|---|---|---|---|---|
| 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… |
| 63.255.0.0 – 63.255.255.255 | 65,536 | US |
allocated | 1999-11-18 | 6c065d5b54b8… |
| 216.249.128.0 – 216.249.191.255 | 16,384 | US |
allocated | 1999-11-18 | 84b9472b5615… |
| 24.89.0.0 – 24.89.31.255 | 8,192 | US |
allocated | 1999-11-17 | 5c29f729c6d1… |
| 216.241.224.0 – 216.241.239.255 | 4,096 | CA |
allocated | 1999-11-17 | 19382b1e63c4… |
| 216.251.160.0 – 216.251.191.255 | 8,192 | US |
allocated | 1999-11-17 | 424bfcacb580… |
| 216.254.0.0 – 216.254.127.255 | 32,768 | US |
allocated | 1999-11-17 | a7f7463af3d3… |
| 209.162.64.0 – 209.162.127.255 | 16,384 | US |
allocated | 1999-11-16 | 9f14454567a6… |
| 216.241.208.0 – 216.241.223.255 | 4,096 | US |
allocated | 1999-11-16 | 0ef815ff3574… |
| 216.251.32.0 – 216.251.47.255 | 4,096 | CA |
allocated | 1999-11-16 | 9533b2ecb615… |
| 216.251.64.0 – 216.251.95.255 | 8,192 | US |
allocated | 1999-11-16 | 60a5a55745e5… |
| 216.251.96.0 – 216.251.111.255 | 4,096 | US |
allocated | 1999-11-16 | f3c6c5c1c228… |
| 216.251.128.0 – 216.251.159.255 | 8,192 | CA |
allocated | 1999-11-16 | c98a44ddb2ad… |
| 216.248.192.0 – 216.248.207.255 | 4,096 | US |
allocated | 1999-11-15 | f9107f6aa386… |
| 209.235.192.0 – 209.235.255.255 | 16,384 | US |
allocated | 1999-11-11 | eb74a6cb4d3d… |
| 209.82.192.0 – 209.82.255.255 | 16,384 | US |
allocated | 1999-11-09 | 6264cac01d51… |
| 216.250.192.0 – 216.250.223.255 | 8,192 | US |
allocated | 1999-11-09 | e42b7a7f8475… |
| 216.250.232.0 – 216.250.232.255 | 256 | US |
allocated | 1999-11-09 | 82617af7eb46… |
| 216.240.224.0 – 216.240.239.255 | 4,096 | CA |
allocated | 1999-11-08 | a92547f1ab18… |
| 216.250.160.0 – 216.250.191.255 | 8,192 | US |
allocated | 1999-11-08 | bc28bd02c7b3… |
| 216.252.128.0 – 216.252.143.255 | 4,096 | US |
allocated | 1999-11-08 | e5cfe0d85842… |
| 216.252.152.0 – 216.252.153.255 | 512 | US |
allocated | 1999-11-08 | e5cfe0d85842… |
| 216.252.154.0 – 216.252.154.255 | 256 | US |
allocated | 1999-11-08 | e5cfe0d85842… |
| 216.252.156.0 – 216.252.159.255 | 1,024 | US |
allocated | 1999-11-08 | e5cfe0d85842… |
| 216.252.160.0 – 216.252.160.255 | 256 | US |
allocated | 1999-11-08 | e5cfe0d85842… |
| 216.252.224.0 – 216.252.231.255 | 2,048 |  CH |
allocated | 1999-11-08 | 4691b44331f4… |
| 216.253.0.0 – 216.253.255.255 | 65,536 | US |
allocated | 1999-11-08 | e5e3b9c13678… |
| 207.174.202.0 – 207.174.202.255 | 256 | US |
allocated | 1999-11-05 | 5cec1b2235f6… |
| 216.240.208.0 – 216.240.223.255 | 4,096 | US |
allocated | 1999-11-05 | 0ab5c6f7dc19… |
| 216.250.128.0 – 216.250.143.255 | 4,096 | US |
allocated | 1999-11-04 | 4b179ab78b2a… |
| 63.240.0.0 – 63.241.255.255 | 131,072 | US |
allocated | 1999-11-03 | 81e05477cc28… |
| 63.242.0.0 – 63.242.255.255 | 65,536 | US |
allocated | 1999-11-03 | 81e05477cc28… |
| 216.127.96.0 – 216.127.111.255 | 4,096 | US |
allocated | 1999-11-03 | 88c6fecea992… |
| 216.250.32.0 – 216.250.47.255 | 4,096 | US |
allocated | 1999-11-03 | d5337ac36144… |