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
11,462
delegated blocks
🔗
Autonomous systems
34,166
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 170.251.80.0 – 170.251.87.255 | 2,048 |  US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.88.0 – 170.251.89.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.92.0 – 170.251.95.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.96.0 – 170.251.103.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.104.0 – 170.251.107.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.108.0 – 170.251.109.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.112.0 – 170.251.127.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.128.0 – 170.251.135.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.136.0 – 170.251.139.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.140.0 – 170.251.141.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.144.0 – 170.251.147.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.148.0 – 170.251.148.255 | 256 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.152.0 – 170.251.153.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.158.0 – 170.251.159.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.160.0 – 170.251.167.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.168.0 – 170.251.169.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.172.0 – 170.251.173.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.176.0 – 170.251.191.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.192.0 – 170.251.255.255 | 16,384 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.252.0.0 – 170.252.255.255 | 65,536 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 198.161.118.0 – 198.161.118.255 | 256 |  CA |
allocated | 1994-01-24 | 4e7e72eebb14… |
| 198.161.119.0 – 198.161.119.255 | 256 | CA |
allocated | 1994-01-24 | 1a0a429ce316… |
| 198.185.242.0 – 198.185.242.255 | 256 | US |
allocated | 1994-01-24 | 271f91d6889a… |
| 198.185.243.0 – 198.185.243.255 | 256 | US |
allocated | 1994-01-24 | 271f91d6889a… |
| 198.185.244.0 – 198.185.244.255 | 256 | US |
allocated | 1994-01-24 | a387ab2310ef… |
| 198.185.245.0 – 198.185.245.255 | 256 | US |
allocated | 1994-01-24 | 82b3aab627da… |
| 198.185.246.0 – 198.185.246.255 | 256 | US |
allocated | 1994-01-24 | 4a9b50933c03… |
| 199.33.65.0 – 199.33.65.255 | 256 | US |
allocated | 1994-01-24 | ffd67fadfdd4… |
| 199.33.88.0 – 199.33.88.255 | 256 | US |
allocated | 1994-01-24 | ffd67fadfdd4… |
| 199.33.92.0 – 199.33.92.255 | 256 | US |
allocated | 1994-01-24 | ffd67fadfdd4… |
| 199.74.163.0 – 199.74.163.255 | 256 | US |
allocated | 1994-01-24 | ef47a025c34a… |
| 199.74.164.0 – 199.74.165.255 | 512 | US |
allocated | 1994-01-24 | ef47a025c34a… |
| 199.74.166.0 – 199.74.166.255 | 256 | US |
allocated | 1994-01-24 | ef47a025c34a… |
| 199.74.167.0 – 199.74.167.255 | 256 | US |
allocated | 1994-01-24 | a020770841bf… |
| 199.74.168.0 – 199.74.168.255 | 256 | US |
allocated | 1994-01-24 | 6ce7f5504818… |
| 199.74.169.0 – 199.74.169.255 | 256 | US |
allocated | 1994-01-24 | 8bd8539e9989… |
| 199.74.170.0 – 199.74.170.255 | 256 | US |
allocated | 1994-01-24 | 2a7913e16c40… |
| 199.74.171.0 – 199.74.171.255 | 256 | US |
allocated | 1994-01-24 | 1244764492b4… |
| 199.74.176.0 – 199.74.176.255 | 256 | US |
allocated | 1994-01-24 | 7bc85d17fcb8… |
| 199.74.177.0 – 199.74.177.255 | 256 | US |
allocated | 1994-01-24 | f482019248a1… |
| 199.74.178.0 – 199.74.179.255 | 512 | US |
allocated | 1994-01-24 | 10be20e66781… |
| 199.74.180.0 – 199.74.181.255 | 512 | US |
allocated | 1994-01-24 | 10be20e66781… |
| 199.85.118.0 – 199.85.119.255 | 512 | CA |
allocated | 1994-01-24 | e42284d312b5… |
| 199.85.124.0 – 199.85.124.255 | 256 | CA |
allocated | 1994-01-24 | 230ba725c597… |
| 199.85.193.0 – 199.85.193.255 | 256 | CA |
allocated | 1994-01-24 | 3458e82466fa… |
| 199.114.64.0 – 199.114.127.255 | 16,384 | US |
allocated | 1994-01-24 | 45fe880b68a8… |
| 199.120.0.0 – 199.120.7.255 | 2,048 | US |
allocated | 1994-01-24 | 556fd7881425… |
| 199.120.8.0 – 199.120.11.255 | 1,024 | US |
allocated | 1994-01-24 | 556fd7881425… |
| 199.120.16.0 – 199.120.31.255 | 4,096 | US |
allocated | 1994-01-24 | c76429ffcc77… |
| 168.66.0.0 – 168.66.255.255 | 65,536 | US |
allocated | 1994-01-22 | 8e7717f4acb1… |
| 170.27.0.0 – 170.27.255.255 | 65,536 | US |
allocated | 1994-01-22 | 49ffa1512a33… |
| 170.28.0.0 – 170.28.255.255 | 65,536 | US |
allocated | 1994-01-22 | 609dccfe185b… |
| 170.29.0.0 – 170.29.255.255 | 65,536 | US |
allocated | 1994-01-22 | 86db5105e7b6… |
| 170.30.0.0 – 170.30.255.255 | 65,536 | US |
allocated | 1994-01-22 | 161fb0fc33bc… |
| 170.31.0.0 – 170.31.255.255 | 65,536 | US |
allocated | 1994-01-22 | f0b3e4f9e677… |
| 198.185.199.0 – 198.185.199.255 | 256 | US |
allocated | 1994-01-22 | 49470a3da569… |
| 198.185.200.0 – 198.185.200.255 | 256 | US |
allocated | 1994-01-22 | 1a4d56e935ff… |
| 198.185.201.0 – 198.185.201.255 | 256 | US |
allocated | 1994-01-22 | 52226819198d… |
| 198.185.202.0 – 198.185.202.255 | 256 | US |
allocated | 1994-01-22 | 37771334c3dc… |
| 198.185.203.0 – 198.185.203.255 | 256 | US |
allocated | 1994-01-22 | 332c5368942b… |
| 198.185.204.0 – 198.185.204.255 | 256 | US |
allocated | 1994-01-22 | daed3a0f72b4… |
| 198.185.205.0 – 198.185.205.255 | 256 | US |
allocated | 1994-01-22 | b76717df2d71… |
| 198.185.206.0 – 198.185.206.255 | 256 | US |
allocated | 1994-01-22 | 872eb1e69ec9… |
| 198.185.208.0 – 198.185.208.255 | 256 | US |
allocated | 1994-01-22 | 45c27a4577c9… |
| 198.185.209.0 – 198.185.209.255 | 256 | US |
allocated | 1994-01-22 | 45c27a4577c9… |
| 198.185.210.0 – 198.185.210.255 | 256 | US |
allocated | 1994-01-22 | a9bde1a5f7fb… |
| 198.185.213.0 – 198.185.213.255 | 256 | US |
allocated | 1994-01-22 | f5dadeafed98… |
| 198.185.214.0 – 198.185.215.255 | 512 | US |
allocated | 1994-01-22 | f5dadeafed98… |
| 198.185.216.0 – 198.185.216.255 | 256 | US |
allocated | 1994-01-22 | f5dadeafed98… |
| 198.185.221.0 – 198.185.221.255 | 256 | US |
allocated | 1994-01-22 | 8a8880f73f97… |
| 198.185.222.0 – 198.185.223.255 | 512 | US |
allocated | 1994-01-22 | 8a8880f73f97… |
| 198.185.224.0 – 198.185.224.255 | 256 | US |
allocated | 1994-01-22 | 8a8880f73f97… |
| 198.185.225.0 – 198.185.225.255 | 256 | US |
allocated | 1994-01-22 | 88439f82d114… |
| 198.185.226.0 – 198.185.226.255 | 256 | US |
allocated | 1994-01-22 | 88439f82d114… |
| 198.185.227.0 – 198.185.227.255 | 256 | US |
allocated | 1994-01-22 | 99fecb284d20… |
| 198.185.228.0 – 198.185.228.255 | 256 | US |
allocated | 1994-01-22 | d18abac456ae… |
| 198.185.229.0 – 198.185.229.255 | 256 | US |
allocated | 1994-01-22 | 5e80ab6a89cb… |
| 198.185.230.0 – 198.185.231.255 | 512 | US |
allocated | 1994-01-22 | 5b444287e22a… |
| 198.185.232.0 – 198.185.233.255 | 512 | US |
allocated | 1994-01-22 | 5b444287e22a… |
| 198.185.234.0 – 198.185.234.255 | 256 | US |
allocated | 1994-01-22 | d7100d3f3e47… |
| 198.185.235.0 – 198.185.235.255 | 256 | US |
allocated | 1994-01-22 | d7100d3f3e47… |
| 198.185.236.0 – 198.185.236.255 | 256 | US |
allocated | 1994-01-22 | d7100d3f3e47… |
| 198.185.237.0 – 198.185.237.255 | 256 | US |
allocated | 1994-01-22 | be87a6f57401… |
| 198.185.238.0 – 198.185.239.255 | 512 | US |
allocated | 1994-01-22 | 36f03a1681ac… |
| 198.185.240.0 – 198.185.240.255 | 256 | US |
allocated | 1994-01-22 | 36f03a1681ac… |
| 198.185.241.0 – 198.185.241.255 | 256 | US |
allocated | 1994-01-22 | bf0a88d37bfb… |
| 199.33.252.0 – 199.33.252.255 | 256 | US |
allocated | 1994-01-22 | 786aa28fa4be… |
| 199.33.254.0 – 199.33.254.255 | 256 | US |
allocated | 1994-01-22 | 2d3d48efe471… |
| 199.74.128.0 – 199.74.131.255 | 1,024 | US |
allocated | 1994-01-22 | cade225cf87a… |
| 199.74.132.0 – 199.74.132.255 | 256 | US |
allocated | 1994-01-22 | cade225cf87a… |
| 199.74.133.0 – 199.74.133.255 | 256 | US |
allocated | 1994-01-22 | cf62dcce9e0e… |
| 199.74.136.0 – 199.74.136.255 | 256 | US |
allocated | 1994-01-22 | b62974046f94… |
| 199.74.137.0 – 199.74.137.255 | 256 | US |
allocated | 1994-01-22 | 3547bb177822… |
| 199.74.138.0 – 199.74.138.255 | 256 | US |
allocated | 1994-01-22 | c9e9624de07e… |
| 199.74.139.0 – 199.74.139.255 | 256 | US |
allocated | 1994-01-22 | 9a65a87e3abf… |
| 199.74.140.0 – 199.74.140.255 | 256 | US |
allocated | 1994-01-22 | 9a65a87e3abf… |
| 199.74.141.0 – 199.74.141.255 | 256 | US |
allocated | 1994-01-22 | e5e3b9c13678… |
| 199.74.142.0 – 199.74.142.255 | 256 | US |
allocated | 1994-01-22 | dbbf96862b88… |
| 199.74.143.0 – 199.74.143.255 | 256 | US |
allocated | 1994-01-22 | 2f6d9cbc5221… |
| 199.74.144.0 – 199.74.145.255 | 512 | US |
allocated | 1994-01-22 | 2f6d9cbc5221… |