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 |
|---|---|---|---|---|---|
| 199.255.156.0 – 199.255.159.255 | 1,024 |  US |
allocated | 2010-05-27 | 45410029dc4f… |
| 173.243.64.0 – 173.243.79.255 | 4,096 | US |
allocated | 2010-05-26 | afc9f9341313… |
| 173.245.224.0 – 173.245.239.255 | 4,096 | US |
allocated | 2010-05-26 | 2ca0a6c82d35… |
| 199.19.0.0 – 199.19.7.255 | 2,048 | US |
allocated | 2010-05-26 | ace55d4dc090… |
| 199.255.152.0 – 199.255.155.255 | 1,024 | US |
allocated | 2010-05-26 | b9e47a3b2d1d… |
| 199.255.144.0 – 199.255.147.255 | 1,024 | US |
allocated | 2010-05-25 | d62293e18d17… |
| 184.107.0.0 – 184.107.255.255 | 65,536 |  CA |
allocated | 2010-05-24 | 6ea4dd5a36c2… |
| 199.255.140.0 – 199.255.140.255 | 256 | US |
allocated | 2010-05-24 | baf3766c3fa7… |
| 199.255.142.0 – 199.255.142.255 | 256 | US |
allocated | 2010-05-24 | baf3766c3fa7… |
| 173.243.48.0 – 173.243.63.255 | 4,096 | CA |
allocated | 2010-05-21 | a2eba22c6c42… |
| 173.245.202.0 – 173.245.203.255 | 512 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 173.245.206.0 – 173.245.207.255 | 512 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 173.245.209.0 – 173.245.209.255 | 256 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 173.245.211.0 – 173.245.211.255 | 256 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 173.245.217.0 – 173.245.217.255 | 256 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 173.245.219.0 – 173.245.219.255 | 256 | US |
allocated | 2010-05-21 | bfdc6dbcfa0b… |
| 184.106.0.0 – 184.106.31.255 | 8,192 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.32.0 – 184.106.47.255 | 4,096 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.48.0 – 184.106.51.255 | 1,024 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.52.0 – 184.106.53.255 | 512 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.54.0 – 184.106.54.255 | 256 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.55.0 – 184.106.55.255 | 256 | US |
allocated | 2010-05-21 | d8f072014ca8… |
| 184.106.56.0 – 184.106.63.255 | 2,048 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.64.0 – 184.106.127.255 | 16,384 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 184.106.128.0 – 184.106.255.255 | 32,768 | US |
allocated | 2010-05-21 | c66e83fbb76c… |
| 199.255.136.0 – 199.255.139.255 | 1,024 | US |
allocated | 2010-05-21 | 45410029dc4f… |
| 173.245.128.0 – 173.245.143.255 | 4,096 | US |
allocated | 2010-05-20 | f45e1ba9b9df… |
| 173.245.168.0 – 173.245.175.255 | 2,048 | US |
allocated | 2010-05-20 | b4a3ba76e1f3… |
| 173.245.176.0 – 173.245.191.255 | 4,096 | US |
allocated | 2010-05-20 | b4a3ba76e1f3… |
| 199.255.124.0 – 199.255.127.255 | 1,024 | US |
allocated | 2010-05-20 | 209f86c1de13… |
| 199.255.128.0 – 199.255.135.255 | 2,048 | US |
allocated | 2010-05-19 | 5fa2161e61e3… |
| 173.243.0.0 – 173.243.15.255 | 4,096 | US |
allocated | 2010-05-18 | f4eeba15c196… |
| 173.243.16.0 – 173.243.31.255 | 4,096 | US |
allocated | 2010-05-18 | 56be87727e45… |
| 173.245.96.0 – 173.245.127.255 | 8,192 | US |
allocated | 2010-05-18 | 11605ea9b000… |
| 199.255.104.0 – 199.255.111.255 | 2,048 | US |
allocated | 2010-05-18 | 1a58ea4dd892… |
| 199.255.116.0 – 199.255.119.255 | 1,024 |  PR |
allocated | 2010-05-18 | 6fc639fc8504… |
| 199.255.120.0 – 199.255.123.255 | 1,024 | US |
allocated | 2010-05-18 | 1776d53b8918… |
| 24.49.176.0 – 24.49.183.255 | 2,048 | US |
allocated | 2010-05-17 | 99563ca971c0… |
| 24.49.184.0 – 24.49.187.255 | 1,024 | US |
allocated | 2010-05-17 | 99563ca971c0… |
| 24.49.188.0 – 24.49.188.255 | 256 | US |
allocated | 2010-05-17 | 99563ca971c0… |
| 199.255.84.0 – 199.255.87.255 | 1,024 | US |
allocated | 2010-05-17 | 9401c7d3032d… |
| 199.255.88.0 – 199.255.95.255 | 2,048 | US |
allocated | 2010-05-17 | 1e3aaefbcd36… |
| 173.237.128.0 – 173.237.191.255 | 16,384 | US |
allocated | 2010-05-14 | 6e048190eb9a… |
| 173.242.240.0 – 173.242.255.255 | 4,096 | US |
allocated | 2010-05-14 | 099b3cf1c0cd… |
| 184.176.0.0 – 184.191.255.255 | 1,048,576 | US |
allocated | 2010-05-14 | 4cad11d18482… |
| 199.255.64.0 – 199.255.71.255 | 2,048 | US |
allocated | 2010-05-14 | 2cd5fcb30974… |
| 199.255.80.0 – 199.255.83.255 | 1,024 | US |
allocated | 2010-05-14 | 2c0e13309480… |
| 173.242.192.0 – 173.242.207.255 | 4,096 | US |
allocated | 2010-05-13 | 320625f275e7… |
| 173.242.224.0 – 173.242.239.255 | 4,096 | US |
allocated | 2010-05-13 | 3fb75eb3b63f… |
| 173.245.64.0 – 173.245.95.255 | 8,192 | US |
allocated | 2010-05-13 | 57d8f1a5b897… |
| 173.248.128.0 – 173.248.191.255 | 16,384 | US |
allocated | 2010-05-13 | d1af1622e04e… |
| 173.245.32.0 – 173.245.47.255 | 4,096 | US |
allocated | 2010-05-12 | d4ed5c8f231f… |
| 184.95.0.0 – 184.95.15.255 | 4,096 | US |
allocated | 2010-05-12 | 30c7754a1a3e… |
| 199.255.44.0 – 199.255.47.255 | 1,024 | US |
allocated | 2010-05-12 | a20724ed852c… |
| 173.245.0.0 – 173.245.31.255 | 8,192 | US |
allocated | 2010-05-11 | 763d14c167f8… |
| 199.255.24.0 – 199.255.27.255 | 1,024 | US |
allocated | 2010-05-11 | f3da36c44a30… |
| 199.255.28.0 – 199.255.31.255 | 1,024 | CA |
allocated | 2010-05-11 | 19a8e90b161c… |
| 199.255.32.0 – 199.255.35.255 | 1,024 | US |
allocated | 2010-05-11 | 24872777a723… |
| 199.255.36.0 – 199.255.39.255 | 1,024 | US |
allocated | 2010-05-11 | 5722f09d22ce… |
| 199.255.40.0 – 199.255.43.255 | 1,024 | US |
allocated | 2010-05-11 | d8357b96abbf… |
| 199.255.48.0 – 199.255.55.255 | 2,048 | US |
allocated | 2010-05-11 | 09310525757b… |
| 24.50.192.0 – 24.50.255.255 | 16,384 | US |
allocated | 2010-05-10 | ce33fb2218d7… |
| 173.244.192.0 – 173.244.223.255 | 8,192 | US |
allocated | 2010-05-10 | 87b8f6aa7042… |
| 173.248.64.0 – 173.248.127.255 | 16,384 | US |
allocated | 2010-05-10 | cdb7d42057bd… |
| 184.104.0.0 – 184.105.255.255 | 131,072 | US |
allocated | 2010-05-10 | e2e9e26bea21… |
| 199.255.8.0 – 199.255.11.255 | 1,024 | US |
allocated | 2010-05-10 | ee83a60c20fe… |
| 173.242.128.0 – 173.242.143.255 | 4,096 | US |
allocated | 2010-05-07 | 0f3361e2d6ff… |
| 173.242.144.0 – 173.242.159.255 | 4,096 | US |
allocated | 2010-05-07 | ff2640d74dc4… |
| 173.242.160.0 – 173.242.175.255 | 4,096 | US |
allocated | 2010-05-07 | f1fae96caa7e… |
| 199.255.4.0 – 199.255.7.255 | 1,024 | US |
allocated | 2010-05-07 | 3c7e92f8e19c… |
| 173.238.0.0 – 173.238.255.255 | 65,536 | CA |
allocated | 2010-05-06 | 7f8d2810def2… |
| 173.239.192.0 – 173.239.255.255 | 16,384 | US |
allocated | 2010-05-06 | 1cea909849f1… |
| 173.242.80.0 – 173.242.95.255 | 4,096 | US |
allocated | 2010-05-06 | e8e4d025b357… |
| 173.242.96.0 – 173.242.111.255 | 4,096 | US |
allocated | 2010-05-06 | f57036a35d7c… |
| 173.248.0.0 – 173.248.63.255 | 16,384 | US |
allocated | 2010-05-06 | 08d2fcd58aaa… |
| 199.204.232.0 – 199.204.239.255 | 2,048 |  VG |
allocated | 2010-05-06 | aace446c6293… |
| 199.204.240.0 – 199.204.247.255 | 2,048 | US |
allocated | 2010-05-06 | 1146517d48fa… |
| 199.204.248.0 – 199.204.255.255 | 2,048 | US |
allocated | 2010-05-06 | a6b65597e29a… |
| 199.255.0.0 – 199.255.3.255 | 1,024 | US |
allocated | 2010-05-06 | d5302dda23da… |
| 173.242.32.0 – 173.242.47.255 | 4,096 | US |
allocated | 2010-05-05 | e220ed812a4c… |
| 173.242.64.0 – 173.242.79.255 | 4,096 | US |
allocated | 2010-05-05 | a9dcab1f0d90… |
| 199.204.216.0 – 199.204.223.255 | 2,048 | US |
allocated | 2010-05-05 | 31caea8da158… |
| 199.204.224.0 – 199.204.227.255 | 1,024 | US |
allocated | 2010-05-05 | 2fb2516dd7e0… |
| 24.50.64.0 – 24.50.127.255 | 16,384 | CA |
allocated | 2010-05-04 | df04ba7e5e16… |
| 199.204.188.0 – 199.204.191.255 | 1,024 | US |
allocated | 2010-05-04 | dbc77667f33c… |
| 199.204.208.0 – 199.204.209.255 | 512 | CA |
allocated | 2010-05-04 | a081b30ad4e7… |
| 199.204.212.0 – 199.204.213.255 | 512 | CA |
allocated | 2010-05-04 | a081b30ad4e7… |
| 199.204.214.0 – 199.204.214.255 | 256 | CA |
allocated | 2010-05-04 | a081b30ad4e7… |
| 173.242.16.0 – 173.242.31.255 | 4,096 | US |
allocated | 2010-05-03 | 0d72186b4f4f… |
| 173.244.160.0 – 173.244.191.255 | 8,192 | US |
allocated | 2010-05-03 | c7deffe80dbd… |
| 199.204.200.0 – 199.204.207.255 | 2,048 | US |
allocated | 2010-05-03 | adc8b004b305… |
| 173.241.240.0 – 173.241.255.255 | 4,096 | US |
allocated | 2010-04-30 | 83ea10a0e5c8… |
| 173.242.0.0 – 173.242.15.255 | 4,096 | US |
allocated | 2010-04-30 | 3b2f0eed6caf… |
| 173.244.96.0 – 173.244.111.255 | 4,096 | US |
allocated | 2010-04-30 | ac66b9e20be8… |
| 199.204.176.0 – 199.204.183.255 | 2,048 | US |
allocated | 2010-04-30 | ba1b20a735aa… |
| 173.241.192.0 – 173.241.207.255 | 4,096 | US |
allocated | 2010-04-29 | 65bf32d2bf46… |
| 173.241.208.0 – 173.241.223.255 | 4,096 | US |
allocated | 2010-04-29 | 34d342be0361… |
| 173.241.224.0 – 173.241.239.255 | 4,096 | US |
allocated | 2010-04-29 | fe1bf20bce56… |
| 173.241.176.0 – 173.241.191.255 | 4,096 | US |
allocated | 2010-04-28 | 443db4889f6d… |
| 173.241.160.0 – 173.241.175.255 | 4,096 | US |
allocated | 2010-04-27 | 9114aae50d71… |