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
1,645,582,848
📦
IPv4 networks
76,670
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,007
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.32.128.0 – 199.32.255.255 | 32,768 |  US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 199.60.52.0 – 199.60.55.255 | 1,024 |  CA |
allocated | 1994-01-25 | df2177105296… |
| 199.74.186.0 – 199.74.186.255 | 256 | US |
allocated | 1994-01-25 | e20c0f42b54d… |
| 199.74.187.0 – 199.74.187.255 | 256 | US |
allocated | 1994-01-25 | fe6e6337089d… |
| 199.74.193.0 – 199.74.193.255 | 256 | US |
allocated | 1994-01-25 | dcde7de3be9b… |
| 199.74.194.0 – 199.74.195.255 | 512 | US |
allocated | 1994-01-25 | dcde7de3be9b… |
| 199.74.196.0 – 199.74.196.255 | 256 | US |
allocated | 1994-01-25 | 5abe067fb65f… |
| 199.74.197.0 – 199.74.197.255 | 256 | US |
allocated | 1994-01-25 | 5c96ea9f4945… |
| 199.74.198.0 – 199.74.198.255 | 256 | US |
allocated | 1994-01-25 | c8cec70c8b59… |
| 199.74.199.0 – 199.74.199.255 | 256 | US |
allocated | 1994-01-25 | f11400bd7e11… |
| 199.112.0.0 – 199.112.255.255 | 65,536 | US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 199.113.0.0 – 199.113.255.255 | 65,536 | US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 199.114.2.0 – 199.114.3.255 | 512 | US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 199.114.4.0 – 199.114.5.255 | 512 | US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 199.114.6.0 – 199.114.6.255 | 256 | US |
allocated | 1994-01-25 | 45fe880b68a8… |
| 168.67.0.0 – 168.67.255.255 | 65,536 | US |
allocated | 1994-01-24 | 27f89c360a26… |
| 170.32.0.0 – 170.32.255.255 | 65,536 | US |
allocated | 1994-01-24 | cabecfff07d3… |
| 170.248.2.0 – 170.248.3.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.4.0 – 170.248.7.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.8.0 – 170.248.11.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.14.0 – 170.248.15.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.16.0 – 170.248.31.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.32.0 – 170.248.39.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.40.0 – 170.248.41.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.44.0 – 170.248.45.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.48.0 – 170.248.63.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.64.0 – 170.248.127.255 | 16,384 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.128.0 – 170.248.135.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.136.0 – 170.248.137.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.140.0 – 170.248.143.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.144.0 – 170.248.159.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.172.0 – 170.248.175.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.176.0 – 170.248.183.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.184.0 – 170.248.187.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.188.0 – 170.248.189.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.248.192.0 – 170.248.255.255 | 16,384 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.0.0 – 170.251.7.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.8.0 – 170.251.9.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.12.0 – 170.251.15.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.16.0 – 170.251.19.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.22.0 – 170.251.23.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.24.0 – 170.251.31.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.32.0 – 170.251.39.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.48.0 – 170.251.55.255 | 2,048 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.56.0 – 170.251.59.255 | 1,024 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.62.0 – 170.251.63.255 | 512 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 170.251.64.0 – 170.251.79.255 | 4,096 | US |
allocated | 1994-01-24 | d394bea491fb… |
| 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 | 01793c117852… |
| 199.33.88.0 – 199.33.88.255 | 256 | US |
allocated | 1994-01-24 | 01793c117852… |
| 199.33.92.0 – 199.33.92.255 | 256 | US |
allocated | 1994-01-24 | 01793c117852… |
| 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… |