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
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.86.152.0 – 204.86.159.255 | 2,048 |  US |
allocated | 1994-12-07 | 4a58e6f90629… |
| 204.86.160.0 – 204.86.167.255 | 2,048 | US |
allocated | 1994-12-07 | 4a58e6f90629… |
| 204.126.108.0 – 204.126.109.255 | 512 | US |
allocated | 1994-12-07 | cbc131be893b… |
| 170.207.0.0 – 170.207.255.255 | 65,536 | US |
allocated | 1994-12-06 | 64fec801dff4… |
| 204.27.214.0 – 204.27.214.255 | 256 | US |
allocated | 1994-12-06 | 4b196fb8e552… |
| 204.27.215.0 – 204.27.215.255 | 256 | US |
allocated | 1994-12-06 | 145b18e0cb04… |
| 204.80.96.0 – 204.80.99.255 | 1,024 | US |
allocated | 1994-12-06 | c5d7d9348bf2… |
| 199.123.78.0 – 199.123.78.255 | 256 | US |
allocated | 1994-12-05 | 45fe880b68a8… |
| 199.123.79.0 – 199.123.79.255 | 256 | US |
allocated | 1994-12-05 | 45fe880b68a8… |
| 204.204.0.0 – 204.207.255.255 | 262,144 | US |
allocated | 1994-12-05 | 37fe01d6d027… |
| 146.208.0.0 – 146.208.255.255 | 65,536 | US |
allocated | 1994-12-02 | 57cdc40a8929… |
| 146.209.0.0 – 146.209.255.255 | 65,536 | US |
allocated | 1994-12-02 | 99eed6e5c263… |
| 149.101.0.0 – 149.101.255.255 | 65,536 | US |
allocated | 1994-12-02 | eb5ec0eab2c1… |
| 170.204.0.0 – 170.204.255.255 | 65,536 | US |
allocated | 1994-12-02 | d9fef8821d8f… |
| 170.206.0.0 – 170.206.255.255 | 65,536 | US |
allocated | 1994-12-02 | c4fef8e680d3… |
| 204.130.206.0 – 204.130.206.255 | 256 | US |
allocated | 1994-12-02 | ff5d098a3a2d… |
| 204.130.207.0 – 204.130.207.255 | 256 | US |
allocated | 1994-12-02 | cdb6370dead8… |
| 204.130.208.0 – 204.130.208.255 | 256 | US |
allocated | 1994-12-02 | 0ed5f8f809e6… |
| 204.130.210.0 – 204.130.210.255 | 256 | US |
allocated | 1994-12-02 | bb8b7637e6eb… |
| 204.130.211.0 – 204.130.211.255 | 256 | US |
allocated | 1994-12-02 | 5d1c07b0f63b… |
| 204.130.212.0 – 204.130.212.255 | 256 | US |
allocated | 1994-12-02 | 5b0bc20f1fe8… |
| 204.130.213.0 – 204.130.213.255 | 256 | US |
allocated | 1994-12-02 | 7f22ce27b356… |
| 204.130.214.0 – 204.130.214.255 | 256 | US |
allocated | 1994-12-02 | ac63088dd50b… |
| 204.130.215.0 – 204.130.215.255 | 256 | US |
allocated | 1994-12-02 | ddcc9a8f7807… |
| 204.152.52.0 – 204.152.53.255 | 512 | US |
allocated | 1994-12-02 | 029fa2abe036… |
| 204.194.24.0 – 204.194.27.255 | 1,024 | US |
allocated | 1994-12-02 | 1fd660ca4c6c… |
| 204.194.28.0 – 204.194.31.255 | 1,024 | US |
allocated | 1994-12-02 | 859ff8395a14… |
| 204.200.0.0 – 204.203.255.255 | 262,144 | US |
allocated | 1994-12-02 | 9f14454567a6… |
| 170.203.240.0 – 170.203.255.255 | 4,096 | US |
allocated | 1994-12-01 | 2cb01a564abc… |
| 204.86.120.0 – 204.86.127.255 | 2,048 | US |
allocated | 1994-12-01 | 43176634e68a… |
| 204.86.128.0 – 204.86.129.255 | 512 | US |
allocated | 1994-12-01 | 43176634e68a… |
| 204.140.128.0 – 204.140.255.255 | 32,768 | US |
allocated | 1994-12-01 | bbdb6077350f… |
| 204.144.151.0 – 204.144.151.255 | 256 | US |
allocated | 1994-12-01 | 5cec1b2235f6… |
| 204.209.251.0 – 204.209.251.255 | 256 |  CA |
allocated | 1994-12-01 | 0854f1152d63… |
| 169.150.2.0 – 169.150.3.255 | 512 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 169.150.96.0 – 169.150.99.255 | 1,024 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 169.150.128.0 – 169.150.131.255 | 1,024 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 196.1.138.0 – 196.1.139.255 | 512 |  JM |
allocated | 1994-11-30 | 5670b17dd30b… |
| 204.27.211.0 – 204.27.211.255 | 256 | US |
allocated | 1994-11-30 | 67008168ad4e… |
| 204.27.212.0 – 204.27.212.255 | 256 | US |
allocated | 1994-11-30 | 1f51231839fd… |
| 204.126.102.0 – 204.126.103.255 | 512 | US |
allocated | 1994-11-30 | d6af7017079d… |
| 204.130.191.0 – 204.130.191.255 | 256 | US |
allocated | 1994-11-30 | 45fe880b68a8… |
| 204.130.192.0 – 204.130.192.255 | 256 | US |
allocated | 1994-11-30 | 78bd9da8e435… |
| 204.130.193.0 – 204.130.193.255 | 256 | US |
allocated | 1994-11-30 | cfc4f944cf45… |
| 204.130.194.0 – 204.130.194.255 | 256 | US |
allocated | 1994-11-30 | 0630d01dd688… |
| 204.130.195.0 – 204.130.195.255 | 256 | US |
allocated | 1994-11-30 | ac52e3b7ca18… |
| 204.130.196.0 – 204.130.196.255 | 256 | US |
allocated | 1994-11-30 | b752e4a1339d… |
| 204.130.197.0 – 204.130.197.255 | 256 | US |
allocated | 1994-11-30 | 64a8aaa467b4… |
| 204.130.198.0 – 204.130.198.255 | 256 | US |
allocated | 1994-11-30 | 7f8206c5cf8a… |
| 204.130.199.0 – 204.130.199.255 | 256 | US |
allocated | 1994-11-30 | 8e07c292ed47… |
| 204.130.200.0 – 204.130.200.255 | 256 | US |
allocated | 1994-11-30 | 01cddbefb056… |
| 204.130.201.0 – 204.130.201.255 | 256 | US |
allocated | 1994-11-30 | 66a205bf6a8b… |
| 204.130.203.0 – 204.130.203.255 | 256 | US |
allocated | 1994-11-30 | aca36480e7df… |
| 204.130.204.0 – 204.130.204.255 | 256 | US |
allocated | 1994-11-30 | e76f78a754cd… |
| 204.130.205.0 – 204.130.205.255 | 256 | US |
allocated | 1994-11-30 | 08a7b1ea5f93… |
| 204.147.80.0 – 204.147.95.255 | 4,096 | US |
allocated | 1994-11-30 | cdb7d42057bd… |
| 204.152.46.0 – 204.152.47.255 | 512 | US |
allocated | 1994-11-30 | 6aee5c79fc03… |
| 204.152.48.0 – 204.152.49.255 | 512 | US |
allocated | 1994-11-30 | c14ad8b91092… |
| 204.153.132.0 – 204.153.133.255 | 512 | US |
allocated | 1994-11-30 | e43f12c6ea05… |
| 204.153.134.0 – 204.153.134.255 | 256 | US |
allocated | 1994-11-30 | e43f12c6ea05… |
| 204.153.136.0 – 204.153.137.255 | 512 | US |
allocated | 1994-11-30 | 85fcde3c59b7… |
| 204.153.138.0 – 204.153.138.255 | 256 | US |
allocated | 1994-11-30 | 85fcde3c59b7… |
| 204.194.8.0 – 204.194.15.255 | 2,048 | US |
allocated | 1994-11-30 | cdb7d42057bd… |
| 204.194.16.0 – 204.194.19.255 | 1,024 | US |
allocated | 1994-11-30 | 57bc628afaa0… |
| 204.194.20.0 – 204.194.20.255 | 256 | US |
allocated | 1994-11-30 | 57bc628afaa0… |
| 199.31.0.0 – 199.31.255.255 | 65,536 | US |
allocated | 1994-11-29 | 45fe880b68a8… |
| 204.130.183.0 – 204.130.183.255 | 256 | US |
allocated | 1994-11-29 | 1e7710d6427d… |
| 204.130.184.0 – 204.130.184.255 | 256 | US |
allocated | 1994-11-29 | 10d8adce0d65… |
| 204.130.185.0 – 204.130.185.255 | 256 | US |
allocated | 1994-11-29 | 9a2ee448c72a… |
| 204.130.186.0 – 204.130.186.255 | 256 | US |
allocated | 1994-11-29 | b3aaf0479145… |
| 204.130.187.0 – 204.130.187.255 | 256 | US |
allocated | 1994-11-29 | cc55e3775abe… |
| 204.130.188.0 – 204.130.188.255 | 256 | US |
allocated | 1994-11-29 | 72dee2a74398… |
| 204.130.189.0 – 204.130.189.255 | 256 | US |
allocated | 1994-11-29 | 4aeec606192d… |
| 204.153.124.0 – 204.153.127.255 | 1,024 | US |
allocated | 1994-11-29 | 7df93b209bf0… |
| 204.193.64.0 – 204.193.95.255 | 8,192 | US |
allocated | 1994-11-29 | c2cc7682c23d… |
| 204.194.0.0 – 204.194.3.255 | 1,024 | US |
allocated | 1994-11-29 | 924f1c33c847… |
| 204.194.4.0 – 204.194.5.255 | 512 | US |
allocated | 1994-11-29 | 924f1c33c847… |
| 204.194.6.0 – 204.194.6.255 | 256 | US |
allocated | 1994-11-29 | 924f1c33c847… |
| 204.27.207.0 – 204.27.207.255 | 256 | US |
allocated | 1994-11-28 | b836696ba5a2… |
| 204.27.208.0 – 204.27.208.255 | 256 | US |
allocated | 1994-11-28 | 067e3b3751f9… |
| 204.27.209.0 – 204.27.209.255 | 256 | US |
allocated | 1994-11-28 | cbc131be893b… |
| 204.63.208.0 – 204.63.211.255 | 1,024 | US |
allocated | 1994-11-28 | e8487ad9f82e… |
| 204.63.212.0 – 204.63.212.255 | 256 | US |
allocated | 1994-11-28 | e8487ad9f82e… |
| 204.63.216.0 – 204.63.223.255 | 2,048 | US |
allocated | 1994-11-28 | 044501d2b052… |
| 204.124.188.0 – 204.124.189.255 | 512 | US |
allocated | 1994-11-28 | b82dc40e7c6c… |
| 204.124.190.0 – 204.124.190.255 | 256 | US |
allocated | 1994-11-28 | b82dc40e7c6c… |
| 204.124.192.0 – 204.124.195.255 | 1,024 | US |
allocated | 1994-11-28 | ab210a1ebfcd… |
| 204.130.178.0 – 204.130.178.255 | 256 | US |
allocated | 1994-11-28 | d9c1f53f306d… |
| 204.130.179.0 – 204.130.179.255 | 256 | US |
allocated | 1994-11-28 | e8b101ebaf16… |
| 204.130.180.0 – 204.130.180.255 | 256 | US |
allocated | 1994-11-28 | de49ac6d64b8… |
| 204.130.181.0 – 204.130.181.255 | 256 | US |
allocated | 1994-11-28 | 7e3a63426f6f… |
| 204.130.182.0 – 204.130.182.255 | 256 | US |
allocated | 1994-11-28 | f41060d983f4… |
| 204.139.128.0 – 204.139.255.255 | 32,768 | US |
allocated | 1994-11-28 | 9a65a87e3abf… |
| 204.27.206.0 – 204.27.206.255 | 256 | US |
allocated | 1994-11-25 | 525b95394c93… |
| 204.147.64.0 – 204.147.71.255 | 2,048 | US |
allocated | 1994-11-25 | 6d1d99e67e40… |
| 204.147.72.0 – 204.147.75.255 | 1,024 | US |
allocated | 1994-11-25 | 6d1d99e67e40… |
| 204.193.0.0 – 204.193.15.255 | 4,096 | US |
allocated | 1994-11-25 | 07b744b90818… |
| 204.193.16.0 – 204.193.23.255 | 2,048 | US |
allocated | 1994-11-25 | 07b744b90818… |
| 204.193.24.0 – 204.193.27.255 | 1,024 | US |
allocated | 1994-11-25 | 07b744b90818… |
| 204.193.30.0 – 204.193.31.255 | 512 | US |
allocated | 1994-11-25 | 07b744b90818… |