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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 206.197.131.0 – 206.197.131.255 | 256 |  US |
allocated | 2011-03-07 | b473330fef07… |
| 199.101.220.0 – 199.101.223.255 | 1,024 | US |
allocated | 2011-03-04 | 8f2b22369430… |
| 199.101.224.0 – 199.101.231.255 | 2,048 | US |
allocated | 2011-03-04 | d538268083a4… |
| 199.101.232.0 – 199.101.235.255 | 1,024 | US |
allocated | 2011-03-04 | 1cd411f0d33b… |
| 209.73.128.0 – 209.73.159.255 | 8,192 | US |
allocated | 2011-03-04 | 57d8f1a5b897… |
| 199.101.204.0 – 199.101.207.255 | 1,024 | US |
allocated | 2011-03-03 | cbbf7e419d00… |
| 199.101.208.0 – 199.101.211.255 | 1,024 | US |
allocated | 2011-03-03 | d195034b5b83… |
| 199.101.212.0 – 199.101.215.255 | 1,024 |  CA |
allocated | 2011-03-03 | 3529ede45dae… |
| 184.75.160.0 – 184.75.175.255 | 4,096 | US |
allocated | 2011-03-02 | ebdde396357b… |
| 184.75.176.0 – 184.75.191.255 | 4,096 | US |
allocated | 2011-03-02 | 46b40a4b0a26… |
| 199.101.188.0 – 199.101.191.255 | 1,024 |  FR |
allocated | 2011-03-02 | 93762c53aeca… |
| 199.101.192.0 – 199.101.199.255 | 2,048 | US |
allocated | 2011-03-02 | 6c2889b841f8… |
| 199.101.200.0 – 199.101.203.255 | 1,024 | US |
allocated | 2011-03-02 | b89162ad5cb7… |
| 204.130.240.0 – 204.130.240.255 | 256 | US |
allocated | 2011-03-02 | 38251d366730… |
| 184.75.128.0 – 184.75.143.255 | 4,096 | CA |
allocated | 2011-03-01 | df04ba7e5e16… |
| 184.75.144.0 – 184.75.159.255 | 4,096 | US |
allocated | 2011-03-01 | 2b33e2bf3cb2… |
| 199.101.176.0 – 199.101.179.255 | 1,024 | US |
allocated | 2011-03-01 | f66c428a4ea9… |
| 199.101.184.0 – 199.101.187.255 | 1,024 | US |
allocated | 2011-03-01 | 45410029dc4f… |
| 216.87.128.0 – 216.87.159.255 | 8,192 | US |
allocated | 2011-03-01 | 7b7c41a61ecc… |
| 50.21.224.0 – 50.21.239.255 | 4,096 | CA |
allocated | 2011-02-28 | 0e702695cc8d… |
| 50.21.240.0 – 50.21.255.255 | 4,096 | US |
allocated | 2011-02-28 | 385b143d4d0a… |
| 173.252.64.0 – 173.252.127.255 | 16,384 | US |
allocated | 2011-02-28 | 0db4b6da59d1… |
| 199.101.168.0 – 199.101.171.255 | 1,024 | CA |
allocated | 2011-02-28 | d761d810080b… |
| 199.101.172.0 – 199.101.175.255 | 1,024 | US |
allocated | 2011-02-28 | ec947a7cc943… |
| 204.128.252.0 – 204.128.252.255 | 256 | US |
allocated | 2011-02-28 | 8de565f971dc… |
| 66.228.32.0 – 66.228.63.255 | 8,192 | US |
allocated | 2011-02-25 | 8ff74c5691c8… |
| 199.101.132.0 – 199.101.135.255 | 1,024 | US |
allocated | 2011-02-25 | f86e0dafd42d… |
| 199.101.144.0 – 199.101.147.255 | 1,024 | US |
allocated | 2011-02-25 | 3be6dc17f45a… |
| 199.101.148.0 – 199.101.151.255 | 1,024 | US |
allocated | 2011-02-25 | 42e8860ca0de… |
| 199.101.152.0 – 199.101.155.255 | 1,024 | US |
allocated | 2011-02-25 | 399da38fd3d4… |
| 199.101.156.0 – 199.101.159.255 | 1,024 | US |
allocated | 2011-02-25 | 73a130bd59e9… |
| 199.101.160.0 – 199.101.163.255 | 1,024 | US |
allocated | 2011-02-25 | 2ada91a04f8e… |
| 204.115.190.0 – 204.115.191.255 | 512 | US |
allocated | 2011-02-25 | 493395e8bee4… |
| 50.21.176.0 – 50.21.191.255 | 4,096 | US |
allocated | 2011-02-24 | 76f6574e4e42… |
| 50.21.192.0 – 50.21.207.255 | 4,096 | US |
allocated | 2011-02-24 | b473330fef07… |
| 50.21.208.0 – 50.21.223.255 | 4,096 | US |
allocated | 2011-02-24 | c0361574dee3… |
| 63.140.128.0 – 63.140.255.255 | 32,768 | US |
allocated | 2011-02-24 | 81e05477cc28… |
| 199.96.244.0 – 199.96.247.255 | 1,024 | US |
allocated | 2011-02-24 | 6e94d2cdebb3… |
| 199.101.128.0 – 199.101.131.255 | 1,024 | US |
allocated | 2011-02-24 | 1400084502cc… |
| 204.225.146.0 – 204.225.147.255 | 512 | US |
allocated | 2011-02-24 | 8b2b4b88a7c5… |
| 64.90.32.0 – 64.90.63.255 | 8,192 | US |
allocated | 2011-02-23 | 0bf47ba64442… |
| 199.96.236.0 – 199.96.239.255 | 1,024 | US |
allocated | 2011-02-23 | 021385bf34d9… |
| 199.96.240.0 – 199.96.243.255 | 1,024 | US |
allocated | 2011-02-23 | 5291231d7769… |
| 199.96.248.0 – 199.96.255.255 | 2,048 | US |
allocated | 2011-02-23 | 6e048190eb9a… |
| 204.128.146.0 – 204.128.146.255 | 256 | US |
allocated | 2011-02-23 | b33bee50e137… |
| 204.128.205.0 – 204.128.205.255 | 256 | US |
allocated | 2011-02-23 | da3cb2ee0ece… |
| 204.128.210.0 – 204.128.210.255 | 256 | US |
allocated | 2011-02-23 | c66c34a6657f… |
| 204.128.243.0 – 204.128.243.255 | 256 | US |
allocated | 2011-02-23 | 8b3088554d2e… |
| 50.21.160.0 – 50.21.175.255 | 4,096 | CA |
allocated | 2011-02-22 | b4db312c4688… |
| 199.96.196.0 – 199.96.199.255 | 1,024 | CA |
allocated | 2011-02-22 | 0e702695cc8d… |
| 199.96.200.0 – 199.96.207.255 | 2,048 | US |
allocated | 2011-02-22 | ef5abf1a1112… |
| 199.96.208.0 – 199.96.211.255 | 1,024 | CA |
allocated | 2011-02-22 | 8ee284bfaa56… |
| 199.96.212.0 – 199.96.215.255 | 1,024 | US |
allocated | 2011-02-22 | 4801438eb64e… |
| 199.96.216.0 – 199.96.223.255 | 2,048 | US |
allocated | 2011-02-22 | e603d56219ac… |
| 199.96.224.0 – 199.96.227.255 | 1,024 | US |
allocated | 2011-02-22 | 02be52f9121d… |
| 199.96.228.0 – 199.96.231.255 | 1,024 | US |
allocated | 2011-02-22 | 34dbd5d9a3e2… |
| 199.96.232.0 – 199.96.235.255 | 1,024 | US |
allocated | 2011-02-22 | dda05a208a79… |
| 204.152.150.0 – 204.152.151.255 | 512 | US |
allocated | 2011-02-22 | 79dd3e671cee… |
| 50.21.144.0 – 50.21.159.255 | 4,096 | US |
allocated | 2011-02-18 | f66c428a4ea9… |
| 173.229.64.0 – 173.229.127.255 | 16,384 | US |
allocated | 2011-02-18 | 18f1af4c0a32… |
| 199.96.168.0 – 199.96.171.255 | 1,024 | US |
allocated | 2011-02-18 | 84ff709c8551… |
| 199.96.172.0 – 199.96.175.255 | 1,024 | US |
allocated | 2011-02-18 | d04e5c27bda2… |
| 199.96.176.0 – 199.96.183.255 | 2,048 | US |
allocated | 2011-02-18 | a6f50fa048b8… |
| 199.96.184.0 – 199.96.191.255 | 2,048 | US |
allocated | 2011-02-18 | 59c60538f2c0… |
| 199.96.192.0 – 199.96.195.255 | 1,024 | US |
allocated | 2011-02-18 | 5c62de7fc310… |
| 204.128.141.0 – 204.128.141.255 | 256 | US |
allocated | 2011-02-18 | ec243b36fc4f… |
| 204.128.145.0 – 204.128.145.255 | 256 | US |
allocated | 2011-02-18 | a7f17330b31b… |
| 24.48.0.0 – 24.48.127.255 | 32,768 | CA |
allocated | 2011-02-17 | eb5a56b49389… |
| 50.21.128.0 – 50.21.143.255 | 4,096 | CA |
allocated | 2011-02-16 | d230ccaa82cf… |
| 199.96.152.0 – 199.96.155.255 | 1,024 | US |
allocated | 2011-02-16 | ad70939237c6… |
| 199.96.156.0 – 199.96.159.255 | 1,024 | US |
allocated | 2011-02-16 | f594c232866d… |
| 199.96.160.0 – 199.96.163.255 | 1,024 | US |
allocated | 2011-02-16 | 3ca4da8c37d9… |
| 173.237.96.0 – 173.237.127.255 | 8,192 | CA |
allocated | 2011-02-15 | 0bdb9de83224… |
| 199.7.82.0 – 199.7.82.255 | 256 | US |
allocated | 2011-02-15 | 9b5b285c8eb7… |
| 204.126.253.0 – 204.126.253.255 | 256 | US |
allocated | 2011-02-15 | fac386e7795a… |
| 216.238.240.0 – 216.238.255.255 | 4,096 | US |
allocated | 2011-02-15 | 3b2ea74a19be… |
| 199.91.248.0 – 199.91.251.255 | 1,024 | US |
allocated | 2011-02-14 | c9cc5841b3c3… |
| 199.91.252.0 – 199.91.255.255 | 1,024 | CA |
allocated | 2011-02-14 | 7f076762f456… |
| 199.96.128.0 – 199.96.135.255 | 2,048 | US |
allocated | 2011-02-14 | 4dad89085698… |
| 199.96.140.0 – 199.96.143.255 | 1,024 | US |
allocated | 2011-02-14 | e966f77ae86f… |
| 204.126.73.0 – 204.126.73.255 | 256 | US |
allocated | 2011-02-14 | b61326807c1d… |
| 216.238.208.0 – 216.238.223.255 | 4,096 | US |
allocated | 2011-02-14 | 2d353faf1487… |
| 216.238.224.0 – 216.238.239.255 | 4,096 | CA |
allocated | 2011-02-14 | aa1284f96cc4… |
| 199.91.224.0 – 199.91.231.255 | 2,048 | US |
allocated | 2011-02-11 | 82ea2ef7f5c3… |
| 199.91.236.0 – 199.91.239.255 | 1,024 | US |
allocated | 2011-02-11 | 4f6eb469bf6e… |
| 204.124.251.0 – 204.124.251.255 | 256 | US |
allocated | 2011-02-11 | 99206cd0a836… |
| 199.91.200.0 – 199.91.203.255 | 1,024 | US |
allocated | 2011-02-10 | c4425f0ba0dc… |
| 199.91.204.0 – 199.91.207.255 | 1,024 | CA |
allocated | 2011-02-10 | 517514deeb5a… |
| 199.91.208.0 – 199.91.215.255 | 2,048 | CA |
allocated | 2011-02-10 | c2852f1df4b3… |
| 199.91.216.0 – 199.91.219.255 | 1,024 | US |
allocated | 2011-02-10 | 24411161be8a… |
| 199.91.222.0 – 199.91.223.255 | 512 | US |
allocated | 2011-02-10 | 24411161be8a… |
| 204.124.239.0 – 204.124.239.255 | 256 | US |
allocated | 2011-02-10 | 433ba7eee21f… |
| 204.152.146.0 – 204.152.147.255 | 512 | US |
allocated | 2011-02-10 | 0e3054433a19… |
| 206.123.0.0 – 206.123.0.255 | 256 |  GB |
allocated | 2011-02-10 | b21f205f563c… |
| 206.130.61.0 – 206.130.61.255 | 256 | GB |
allocated | 2011-02-10 | b21f205f563c… |
| 206.197.208.0 – 206.197.208.255 | 256 | GB |
allocated | 2011-02-10 | b21f205f563c… |
| 216.238.128.0 – 216.238.143.255 | 4,096 | US |
allocated | 2011-02-10 | 161c144f2f50… |
| 216.238.144.0 – 216.238.159.255 | 4,096 | US |
allocated | 2011-02-10 | 4ce30611f900… |
| 216.238.160.0 – 216.238.175.255 | 4,096 | US |
allocated | 2011-02-10 | f57036a35d7c… |
| 50.93.240.0 – 50.93.255.255 | 4,096 | US |
allocated | 2011-02-09 | ff3be2ed6da6… |