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
1,645,629,696
📦
IPv4 networks
76,708
delegated blocks
🧭
IPv6 networks
11,353
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 172.87.24.0 – 172.87.31.255 | 2,048 |  US |
allocated | 2015-05-28 | c9674878952d… |
| 192.129.111.0 – 192.129.111.255 | 256 | US |
allocated | 2015-05-28 | 2609c9efbca5… |
| 204.48.54.0 – 204.48.55.255 | 512 | US |
allocated | 2015-05-28 | d22061db8e99… |
| 206.127.172.0 – 206.127.175.255 | 1,024 | US |
allocated | 2015-05-28 | 0d72186b4f4f… |
| 206.183.168.0 – 206.183.175.255 | 2,048 | US |
allocated | 2015-05-28 | 311ba083660d… |
| 172.87.36.0 – 172.87.39.255 | 1,024 | US |
allocated | 2015-05-27 | acc437236b95… |
| 192.135.255.0 – 192.135.255.255 | 256 | US |
allocated | 2015-05-27 | c586fe2430ae… |
| 192.149.219.0 – 192.149.219.255 | 256 | US |
allocated | 2015-05-27 | 0cca7541ee89… |
| 192.149.234.0 – 192.149.234.255 | 256 | US |
allocated | 2015-05-27 | 0d4470fd770d… |
| 192.149.253.0 – 192.149.253.255 | 256 | US |
allocated | 2015-05-27 | aa93ac26ae50… |
| 192.150.0.0 – 192.150.0.255 | 256 | US |
allocated | 2015-05-27 | 55f7c47cb78c… |
| 192.150.41.0 – 192.150.41.255 | 256 | US |
allocated | 2015-05-27 | efcc1a227387… |
| 216.126.212.0 – 216.126.213.255 | 512 | US |
allocated | 2015-05-27 | ff3be2ed6da6… |
| 216.234.138.0 – 216.234.139.255 | 512 | US |
allocated | 2015-05-27 | f57036a35d7c… |
| 45.78.128.0 – 45.78.143.255 | 4,096 | US |
allocated | 2015-05-26 | 33a462ed7126… |
| 172.86.64.0 – 172.86.127.255 | 16,384 | US |
allocated | 2015-05-26 | 906906387c97… |
| 172.87.32.0 – 172.87.35.255 | 1,024 | US |
allocated | 2015-05-26 | fe1bf20bce56… |
| 172.87.64.0 – 172.87.71.255 | 2,048 | US |
allocated | 2015-05-26 | c0589e175ef1… |
| 172.87.72.0 – 172.87.75.255 | 1,024 | US |
allocated | 2015-05-26 | ac5103da42fd… |
| 172.87.80.0 – 172.87.95.255 | 4,096 |  CA |
allocated | 2015-05-26 | bfa7748e884f… |
| 172.92.0.0 – 172.92.255.255 | 65,536 | US |
allocated | 2015-05-26 | 1a922969fbba… |
| 192.129.76.0 – 192.129.76.255 | 256 | US |
allocated | 2015-05-26 | 6cd58d6e73f4… |
| 192.149.115.0 – 192.149.115.255 | 256 | US |
allocated | 2015-05-26 | 8bc709d2f9a4… |
| 192.245.160.0 – 192.245.161.255 | 512 | CA |
allocated | 2015-05-26 | 3cef110308df… |
| 172.86.0.0 – 172.86.63.255 | 16,384 | US |
allocated | 2015-05-22 | b1c308e1e1f0… |
| 172.87.16.0 – 172.87.23.255 | 2,048 | US |
allocated | 2015-05-22 | 90f9e877ce83… |
| 172.87.48.0 – 172.87.63.255 | 4,096 | US |
allocated | 2015-05-22 | 3b77b46dd768… |
| 192.136.0.0 – 192.136.0.255 | 256 | US |
allocated | 2015-05-22 | 6d09f406e219… |
| 192.139.131.0 – 192.139.131.255 | 256 | US |
allocated | 2015-05-22 | 870daf23e00d… |
| 192.149.88.0 – 192.149.88.255 | 256 | US |
allocated | 2015-05-22 | e300a8df507d… |
| 192.149.104.0 – 192.149.104.255 | 256 | CA |
allocated | 2015-05-22 | c98a44ddb2ad… |
| 199.5.26.0 – 199.5.26.255 | 256 | US |
allocated | 2015-05-22 | 7779723493a1… |
| 216.10.232.0 – 216.10.233.255 | 512 | CA |
allocated | 2015-05-22 | 4af9c980bb77… |
| 172.85.72.0 – 172.85.75.255 | 1,024 | US |
allocated | 2015-05-21 | a6d3b32ee202… |
| 172.85.88.0 – 172.85.95.255 | 2,048 | US |
allocated | 2015-05-21 | 91a5d80db7f0… |
| 172.85.96.0 – 172.85.111.255 | 4,096 | US |
allocated | 2015-05-21 | 898a822d29c0… |
| 172.87.0.0 – 172.87.15.255 | 4,096 | US |
allocated | 2015-05-21 | b6cf0cef5080… |
| 192.149.58.0 – 192.149.58.255 | 256 | US |
allocated | 2015-05-21 | dfd710bd1385… |
| 216.21.12.0 – 216.21.13.255 | 512 | US |
allocated | 2015-05-21 | eeb58f9e11de… |
| 63.245.132.0 – 63.245.135.255 | 1,024 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 63.245.136.0 – 63.245.136.255 | 256 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 63.245.138.0 – 63.245.139.255 | 512 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 63.245.154.0 – 63.245.154.255 | 256 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 63.245.170.0 – 63.245.171.255 | 512 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 63.245.172.0 – 63.245.173.255 | 512 | US |
allocated | 2015-05-20 | f5712dedafdf… |
| 158.106.224.0 – 158.106.239.255 | 4,096 | CA |
allocated | 2015-05-20 | e71b9cceae34… |
| 158.106.240.0 – 158.106.247.255 | 2,048 | CA |
allocated | 2015-05-20 | e71b9cceae34… |
| 172.81.136.0 – 172.81.139.255 | 1,024 | US |
allocated | 2015-05-20 | e805eb2a2ae7… |
| 172.85.64.0 – 172.85.71.255 | 2,048 | US |
allocated | 2015-05-20 | 35b159f7e42d… |
| 192.69.44.0 – 192.69.45.255 | 512 | US |
allocated | 2015-05-20 | bca5468137d2… |
| 192.136.157.0 – 192.136.157.255 | 256 | US |
allocated | 2015-05-20 | d77f3d4dd27f… |
| 192.139.18.0 – 192.139.18.255 | 256 | US |
allocated | 2015-05-20 | f5d76bcacd17… |
| 192.146.0.0 – 192.146.0.255 | 256 | US |
allocated | 2015-05-20 | be999feef8d5… |
| 192.149.23.0 – 192.149.23.255 | 256 | CA |
allocated | 2015-05-20 | 4b44fa03a7c5… |
| 198.254.26.0 – 198.254.27.255 | 512 | US |
allocated | 2015-05-20 | 33ae4437560d… |
| 208.93.124.0 – 208.93.127.255 | 1,024 | US |
allocated | 2015-05-20 | 8be3c87c5915… |
| 135.84.192.0 – 135.84.207.255 | 4,096 | US |
allocated | 2015-05-19 | cca072a7b635… |
| 135.84.224.0 – 135.84.227.255 | 1,024 | US |
allocated | 2015-05-19 | cca072a7b635… |
| 135.84.228.0 – 135.84.229.255 | 512 | US |
allocated | 2015-05-19 | cca072a7b635… |
| 172.81.184.0 – 172.81.187.255 | 1,024 | US |
allocated | 2015-05-19 | 283c9b66aba5… |
| 172.85.80.0 – 172.85.87.255 | 2,048 | CA |
allocated | 2015-05-19 | 9086ea447d65… |
| 172.85.120.0 – 172.85.123.255 | 1,024 | US |
allocated | 2015-05-19 | ce33fb2218d7… |
| 172.85.124.0 – 172.85.127.255 | 1,024 | CA |
allocated | 2015-05-19 | a2e1bb6f40a4… |
| 172.85.128.0 – 172.85.255.255 | 32,768 | US |
allocated | 2015-05-19 | 08934af1f452… |
| 172.87.128.0 – 172.87.191.255 | 16,384 | US |
allocated | 2015-05-19 | d2fc8fbc818f… |
| 172.87.192.0 – 172.87.223.255 | 8,192 | US |
allocated | 2015-05-19 | 91348a241481… |
| 192.131.107.0 – 192.131.107.255 | 256 | US |
allocated | 2015-05-19 | c27c3b1bd1ef… |
| 192.145.231.0 – 192.145.231.255 | 256 | US |
allocated | 2015-05-19 | 8f5485e9c589… |
| 192.148.111.0 – 192.148.111.255 | 256 | CA |
allocated | 2015-05-19 | 67e0868cb1e4… |
| 198.29.64.0 – 198.29.65.255 | 512 | US |
allocated | 2015-05-19 | a47cded4a761… |
| 47.88.0.0 – 47.91.255.255 | 262,144 | US |
allocated | 2015-05-18 | e3ec66cd49d3… |
| 172.81.188.0 – 172.81.191.255 | 1,024 | US |
allocated | 2015-05-18 | 4ede0c8fb611… |
| 172.85.32.0 – 172.85.63.255 | 8,192 | US |
allocated | 2015-05-18 | 34d342be0361… |
| 172.85.112.0 – 172.85.119.255 | 2,048 | US |
allocated | 2015-05-18 | a37cafb8822b… |
| 192.149.76.0 – 192.149.76.255 | 256 | US |
allocated | 2015-05-18 | 66e2214302f3… |
| 192.251.238.0 – 192.251.239.255 | 512 | US |
allocated | 2015-05-18 | a1a056e17522… |
| 198.185.218.0 – 198.185.219.255 | 512 | US |
allocated | 2015-05-18 | aaf656fbdfd1… |
| 172.81.152.0 – 172.81.155.255 | 1,024 | US |
allocated | 2015-05-15 | 1a922969fbba… |
| 172.85.0.0 – 172.85.31.255 | 8,192 | US |
allocated | 2015-05-15 | 98e6c615fd07… |
| 172.88.0.0 – 172.91.255.255 | 262,144 | US |
allocated | 2015-05-15 | d2fc8fbc818f… |
| 192.149.55.0 – 192.149.55.255 | 256 | US |
allocated | 2015-05-15 | 5a45d36ff982… |
| 192.251.104.0 – 192.251.105.255 | 512 | US |
allocated | 2015-05-15 | 964ee5bf12d7… |
| 192.251.198.0 – 192.251.199.255 | 512 | CA |
allocated | 2015-05-15 | 7e1ce569c209… |
| 45.78.96.0 – 45.78.127.255 | 8,192 | CA |
allocated | 2015-05-14 | 4a39164bc4e7… |
| 148.74.0.0 – 148.75.255.255 | 131,072 | US |
allocated | 2015-05-14 | aaf656fbdfd1… |
| 148.76.0.0 – 148.76.63.255 | 16,384 | US |
allocated | 2015-05-14 | aaf656fbdfd1… |
| 148.76.64.0 – 148.76.127.255 | 16,384 | US |
allocated | 2015-05-14 | f01f64b3e568… |
| 148.76.128.0 – 148.76.191.255 | 16,384 | US |
allocated | 2015-05-14 | f01f64b3e568… |
| 148.76.192.0 – 148.76.223.255 | 8,192 | US |
allocated | 2015-05-14 | aaf656fbdfd1… |
| 148.77.0.0 – 148.77.127.255 | 32,768 | US |
allocated | 2015-05-14 | f01f64b3e568… |
| 148.77.128.0 – 148.77.255.255 | 32,768 | US |
allocated | 2015-05-14 | aaf656fbdfd1… |
| 157.240.0.0 – 157.240.255.255 | 65,536 | US |
allocated | 2015-05-14 | 0db4b6da59d1… |
| 172.81.120.0 – 172.81.127.255 | 2,048 | US |
allocated | 2015-05-14 | dd93e0fb1f68… |
| 172.81.128.0 – 172.81.135.255 | 2,048 | US |
allocated | 2015-05-14 | 957cf234e892… |
| 172.81.140.0 – 172.81.143.255 | 1,024 | US |
allocated | 2015-05-14 | 365986d2cbd9… |
| 172.81.156.0 – 172.81.159.255 | 1,024 | US |
allocated | 2015-05-14 | 7f75b8e6c16c… |
| 172.81.160.0 – 172.81.175.255 | 4,096 | US |
allocated | 2015-05-14 | b0eabe23f5c8… |
| 172.81.176.0 – 172.81.183.255 | 2,048 | CA |
allocated | 2015-05-14 | 9f192f5419a9… |
| 172.82.128.0 – 172.82.191.255 | 16,384 | US |
allocated | 2015-05-14 | bf15c425ecb6… |
| 192.136.113.0 – 192.136.113.255 | 256 | US |
allocated | 2015-05-14 | c50c10577da7… |