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 |
|---|---|---|---|---|---|
| 199.233.159.0 – 199.233.159.255 | 256 |  US |
allocated | 1995-03-20 | 719cdd8f6249… |
| 199.233.160.0 – 199.233.160.255 | 256 | US |
allocated | 1995-03-20 | 8a78b7551639… |
| 199.233.161.0 – 199.233.161.255 | 256 | US |
allocated | 1995-03-20 | 0fe2336c066d… |
| 204.58.250.0 – 204.58.251.255 | 512 | US |
allocated | 1995-03-20 | e220ed812a4c… |
| 204.58.252.0 – 204.58.253.255 | 512 | US |
allocated | 1995-03-20 | e220ed812a4c… |
| 204.238.7.0 – 204.238.7.255 | 256 | US |
allocated | 1995-03-20 | b81b4228b134… |
| 205.144.64.0 – 205.144.79.255 | 4,096 | US |
allocated | 1995-03-20 | abdc800638f0… |
| 205.158.0.0 – 205.158.255.255 | 65,536 | US |
allocated | 1995-03-20 | e220ed812a4c… |
| 205.159.94.0 – 205.159.94.255 | 256 | US |
allocated | 1995-03-20 | 26d02deda5e4… |
| 205.166.8.0 – 205.166.8.255 | 256 | US |
allocated | 1995-03-20 | 58a972b362fc… |
| 205.166.9.0 – 205.166.9.255 | 256 | US |
allocated | 1995-03-20 | 4de8f1a8d041… |
| 205.166.10.0 – 205.166.10.255 | 256 | US |
allocated | 1995-03-20 | 001b76ca6a78… |
| 205.166.11.0 – 205.166.11.255 | 256 | US |
allocated | 1995-03-20 | b1cda2888ffd… |
| 205.166.12.0 – 205.166.12.255 | 256 | US |
allocated | 1995-03-20 | 6054d4cab403… |
| 205.166.13.0 – 205.166.13.255 | 256 | US |
allocated | 1995-03-20 | 9291655d30dc… |
| 205.166.14.0 – 205.166.14.255 | 256 | US |
allocated | 1995-03-20 | eb7843f8bd86… |
| 205.167.2.0 – 205.167.3.255 | 512 | US |
allocated | 1995-03-20 | 0136ac50bd6e… |
| 205.167.4.0 – 205.167.5.255 | 512 | US |
allocated | 1995-03-20 | 166e6e912de0… |
| 205.167.6.0 – 205.167.7.255 | 512 | US |
allocated | 1995-03-20 | bbb203dccaa7… |
| 205.173.0.0 – 205.173.7.255 | 2,048 | US |
allocated | 1995-03-20 | 442d612f2688… |
| 205.173.8.0 – 205.173.15.255 | 2,048 | US |
allocated | 1995-03-20 | 8468c6b62633… |
| 205.174.16.0 – 205.174.23.255 | 2,048 | US |
allocated | 1995-03-20 | e40ac1523f13… |
| 205.174.32.0 – 205.174.47.255 | 4,096 | US |
allocated | 1995-03-20 | 3e573b32ab43… |
| 205.174.48.0 – 205.174.63.255 | 4,096 | US |
allocated | 1995-03-20 | c0ee1710f499… |
| 205.174.64.0 – 205.174.79.255 | 4,096 | US |
allocated | 1995-03-20 | 7347b13c724c… |
| 205.174.80.0 – 205.174.95.255 | 4,096 | US |
allocated | 1995-03-20 | c02c91da37b9… |
| 205.175.0.0 – 205.175.31.255 | 8,192 | US |
allocated | 1995-03-20 | 0d27954ab4e5… |
| 205.178.0.0 – 205.178.127.255 | 32,768 | US |
allocated | 1995-03-20 | d497a9a99490… |
| 205.179.0.0 – 205.179.255.255 | 65,536 | US |
allocated | 1995-03-20 | a7f7463af3d3… |
| 204.126.226.0 – 204.126.227.255 | 512 | US |
allocated | 1995-03-17 | 7347b13c724c… |
| 204.126.228.0 – 204.126.229.255 | 512 | US |
allocated | 1995-03-17 | f4616617afaa… |
| 204.152.144.0 – 204.152.145.255 | 512 | US |
allocated | 1995-03-17 | 28fda459e4b9… |
| 205.132.88.0 – 205.132.91.255 | 1,024 | US |
allocated | 1995-03-17 | f3f986eeada4… |
| 205.132.92.0 – 205.132.93.255 | 512 | US |
allocated | 1995-03-17 | f3f986eeada4… |
| 205.132.96.0 – 205.132.103.255 | 2,048 | US |
allocated | 1995-03-17 | 5d687a231388… |
| 205.137.160.0 – 205.137.175.255 | 4,096 | US |
allocated | 1995-03-17 | a97524aed1e6… |
| 205.137.176.0 – 205.137.191.255 | 4,096 | US |
allocated | 1995-03-17 | 428259085215… |
| 205.137.192.0 – 205.137.207.255 | 4,096 | US |
allocated | 1995-03-17 | 4f7973849be5… |
| 205.143.24.0 – 205.143.31.255 | 2,048 | US |
allocated | 1995-03-17 | 7300e6ca940d… |
| 205.145.192.0 – 205.145.223.255 | 8,192 | US |
allocated | 1995-03-17 | 6e77d7963901… |
| 205.149.96.0 – 205.149.127.255 | 8,192 | US |
allocated | 1995-03-17 | 9038ca979169… |
| 205.156.192.0 – 205.156.255.255 | 16,384 | US |
allocated | 1995-03-17 | e220ed812a4c… |
| 205.159.90.0 – 205.159.90.255 | 256 | US |
allocated | 1995-03-17 | a791a1002890… |
| 205.159.91.0 – 205.159.91.255 | 256 | US |
allocated | 1995-03-17 | 7427d76727e8… |
| 205.165.0.0 – 205.165.255.255 | 65,536 | US |
allocated | 1995-03-17 | 5942bda53f50… |
| 205.166.0.0 – 205.166.0.255 | 256 | US |
allocated | 1995-03-17 | 5007da4e21bb… |
| 205.166.1.0 – 205.166.1.255 | 256 | US |
allocated | 1995-03-17 | d3d66bd13710… |
| 205.166.2.0 – 205.166.2.255 | 256 | US |
allocated | 1995-03-17 | f4ca9b3ce334… |
| 205.166.3.0 – 205.166.3.255 | 256 | US |
allocated | 1995-03-17 | c63c145fb01d… |
| 205.166.4.0 – 205.166.4.255 | 256 | US |
allocated | 1995-03-17 | 1e725c6f5f37… |
| 205.166.5.0 – 205.166.5.255 | 256 | US |
allocated | 1995-03-17 | 07fe30db394e… |
| 205.166.6.0 – 205.166.6.255 | 256 | US |
allocated | 1995-03-17 | 656d91befbd9… |
| 205.166.7.0 – 205.166.7.255 | 256 | US |
allocated | 1995-03-17 | 706639ec7b6b… |
| 205.168.0.0 – 205.171.255.255 | 262,144 | US |
allocated | 1995-03-17 | cdb7d42057bd… |
| 205.174.0.0 – 205.174.15.255 | 4,096 | US |
allocated | 1995-03-17 | 464ee2e27228… |
| 205.176.0.0 – 205.176.255.255 | 65,536 | US |
allocated | 1995-03-17 | 4dd5963ba390… |
| 205.159.67.0 – 205.159.67.255 | 256 | US |
allocated | 1995-03-16 | b6f7dad5e7b3… |
| 205.159.68.0 – 205.159.68.255 | 256 | US |
allocated | 1995-03-16 | a5699d03f7a4… |
| 205.159.69.0 – 205.159.69.255 | 256 | US |
allocated | 1995-03-16 | 05b640185942… |
| 205.159.71.0 – 205.159.71.255 | 256 | US |
allocated | 1995-03-16 | 095a38964700… |
| 205.159.73.0 – 205.159.73.255 | 256 | US |
allocated | 1995-03-16 | 14aa61f08da0… |
| 205.159.74.0 – 205.159.74.255 | 256 | US |
allocated | 1995-03-16 | 6696cd8332b6… |
| 205.159.75.0 – 205.159.75.255 | 256 | US |
allocated | 1995-03-16 | 6a2bec1ff1c3… |
| 205.159.77.0 – 205.159.77.255 | 256 | US |
allocated | 1995-03-16 | e57d0d0cc939… |
| 205.159.78.0 – 205.159.78.255 | 256 | US |
allocated | 1995-03-16 | ac684e28039b… |
| 205.159.80.0 – 205.159.80.255 | 256 | US |
allocated | 1995-03-16 | 0a9d2b1da757… |
| 205.159.81.0 – 205.159.81.255 | 256 | US |
allocated | 1995-03-16 | 0bae285dbcaf… |
| 205.159.82.0 – 205.159.82.255 | 256 | US |
allocated | 1995-03-16 | 0f948b6c9abc… |
| 205.159.83.0 – 205.159.83.255 | 256 | US |
allocated | 1995-03-16 | 367e546cd0fb… |
| 205.159.84.0 – 205.159.84.255 | 256 | US |
allocated | 1995-03-16 | d2cb59dc5dc5… |
| 205.159.85.0 – 205.159.85.255 | 256 | US |
allocated | 1995-03-16 | 0b2c1d3621f7… |
| 205.159.86.0 – 205.159.86.255 | 256 | US |
allocated | 1995-03-16 | 0b2c1d3621f7… |
| 205.159.87.0 – 205.159.87.255 | 256 | US |
allocated | 1995-03-16 | 76a35deb7c69… |
| 205.159.89.0 – 205.159.89.255 | 256 | US |
allocated | 1995-03-16 | 7427d76727e8… |
| 204.126.220.0 – 204.126.221.255 | 512 | US |
allocated | 1995-03-15 | 0e91fce70066… |
| 205.143.16.0 – 205.143.23.255 | 2,048 | US |
allocated | 1995-03-15 | bbba8645db96… |
| 205.144.48.0 – 205.144.63.255 | 4,096 | US |
allocated | 1995-03-15 | 9c85bc311549… |
| 205.145.160.0 – 205.145.160.255 | 256 | US |
allocated | 1995-03-15 | 62069089c3b8… |
| 205.159.35.0 – 205.159.35.255 | 256 | US |
allocated | 1995-03-15 | e13f9dc91e68… |
| 205.159.36.0 – 205.159.36.255 | 256 | US |
allocated | 1995-03-15 | 74b6e0a4e20e… |
| 205.159.37.0 – 205.159.37.255 | 256 | US |
allocated | 1995-03-15 | 75eb5e1697c0… |
| 205.159.38.0 – 205.159.38.255 | 256 | US |
allocated | 1995-03-15 | 7167ee38a27e… |
| 205.159.39.0 – 205.159.39.255 | 256 | US |
allocated | 1995-03-15 | 0953d14cec82… |
| 205.159.40.0 – 205.159.40.255 | 256 | US |
allocated | 1995-03-15 | f187e717cf82… |
| 205.159.41.0 – 205.159.41.255 | 256 | US |
allocated | 1995-03-15 | 90a67c4c5227… |
| 205.159.42.0 – 205.159.42.255 | 256 | US |
allocated | 1995-03-15 | ad6e130132a8… |
| 205.159.43.0 – 205.159.43.255 | 256 | US |
allocated | 1995-03-15 | d9eeeb1e3d23… |
| 205.159.45.0 – 205.159.45.255 | 256 | US |
allocated | 1995-03-15 | 68e9d3292f3b… |
| 205.159.46.0 – 205.159.46.255 | 256 | US |
allocated | 1995-03-15 | 3d2d7b3b6db7… |
| 205.159.47.0 – 205.159.47.255 | 256 | US |
allocated | 1995-03-15 | 7261e20ce750… |
| 205.159.48.0 – 205.159.48.255 | 256 | US |
allocated | 1995-03-15 | c4831893b400… |
| 205.159.49.0 – 205.159.49.255 | 256 | US |
allocated | 1995-03-15 | c2a3de84bc80… |
| 205.159.50.0 – 205.159.50.255 | 256 | US |
allocated | 1995-03-15 | 48f435544f68… |
| 205.159.51.0 – 205.159.51.255 | 256 | US |
allocated | 1995-03-15 | 6dcd2d2cd704… |
| 205.159.52.0 – 205.159.52.255 | 256 | US |
allocated | 1995-03-15 | 62e9e96f5313… |
| 205.159.53.0 – 205.159.53.255 | 256 | US |
allocated | 1995-03-15 | 7468a4f9551c… |
| 205.159.54.0 – 205.159.54.255 | 256 | US |
allocated | 1995-03-15 | a7b95b622cbd… |
| 205.159.55.0 – 205.159.55.255 | 256 | US |
allocated | 1995-03-15 | 0b95977db0ee… |
| 205.159.56.0 – 205.159.56.255 | 256 | US |
allocated | 1995-03-15 | 93e0e13277e4… |
| 205.159.57.0 – 205.159.57.255 | 256 | US |
allocated | 1995-03-15 | a460d15898bf… |