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
1,639,263,232
📦
IPv4 networks
76,747
delegated blocks
🧭
IPv6 networks
11,457
delegated blocks
🔗
Autonomous systems
34,140
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.4.238.0 – 192.4.239.255 | 512 |  US |
allocated | 1993-01-30 | 4c758a54ea7c… |
| 192.4.240.0 – 192.4.241.255 | 512 | US |
allocated | 1993-01-30 | 4c758a54ea7c… |
| 192.4.244.0 – 192.4.247.255 | 1,024 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.248.0 – 192.4.255.255 | 2,048 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.154.56.0 – 192.154.56.255 | 256 | US |
allocated | 1993-01-30 | 582f02ee44d2… |
| 192.187.165.0 – 192.187.165.255 | 256 | US |
allocated | 1993-01-30 | 1c587945acd8… |
| 192.197.190.0 – 192.197.190.255 | 256 |  CA |
allocated | 1993-01-30 | 1834d375f684… |
| 192.251.232.0 – 192.251.232.255 | 256 | US |
allocated | 1993-01-30 | 6af3dbdad10c… |
| 192.251.233.0 – 192.251.233.255 | 256 | US |
allocated | 1993-01-30 | 6af3dbdad10c… |
| 192.251.234.0 – 192.251.234.255 | 256 | US |
allocated | 1993-01-30 | 6af3dbdad10c… |
| 192.251.235.0 – 192.251.235.255 | 256 | US |
allocated | 1993-01-30 | 6af3dbdad10c… |
| 192.251.236.0 – 192.251.236.255 | 256 | US |
allocated | 1993-01-30 | 6af3dbdad10c… |
| 161.199.1.0 – 161.199.1.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.2.0 – 161.199.3.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.4.0 – 161.199.7.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.8.0 – 161.199.9.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.11.0 – 161.199.11.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.15.0 – 161.199.15.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.17.0 – 161.199.17.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.20.0 – 161.199.21.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.22.0 – 161.199.22.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.25.0 – 161.199.25.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.27.0 – 161.199.27.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.28.0 – 161.199.28.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.30.0 – 161.199.30.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.32.0 – 161.199.33.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.39.0 – 161.199.39.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.40.0 – 161.199.41.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.44.0 – 161.199.47.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.48.0 – 161.199.51.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.52.0 – 161.199.52.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.55.0 – 161.199.55.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.64.0 – 161.199.65.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.66.0 – 161.199.66.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.68.0 – 161.199.69.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.70.0 – 161.199.70.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.72.0 – 161.199.75.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.84.0 – 161.199.84.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.91.0 – 161.199.91.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.94.0 – 161.199.94.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.96.0 – 161.199.103.255 | 2,048 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.105.0 – 161.199.105.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.106.0 – 161.199.107.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.108.0 – 161.199.111.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.113.0 – 161.199.113.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.114.0 – 161.199.115.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.116.0 – 161.199.117.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.118.0 – 161.199.118.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.120.0 – 161.199.123.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.131.0 – 161.199.131.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.145.0 – 161.199.145.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.146.0 – 161.199.147.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.148.0 – 161.199.151.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.154.0 – 161.199.154.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.158.0 – 161.199.158.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.173.0 – 161.199.173.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.174.0 – 161.199.174.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.191.0 – 161.199.191.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.200.0 – 161.199.200.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.218.0 – 161.199.219.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.220.0 – 161.199.223.255 | 1,024 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.224.0 – 161.199.225.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.226.0 – 161.199.226.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.228.0 – 161.199.229.255 | 512 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.231.0 – 161.199.231.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.232.0 – 161.199.239.255 | 2,048 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.199.248.0 – 161.199.248.255 | 256 | US |
allocated | 1993-01-29 | 81973e991bca… |
| 161.201.0.0 – 161.201.255.255 | 65,536 | US |
allocated | 1993-01-29 | ebfd727361e5… |
| 161.222.0.0 – 161.222.255.255 | 65,536 | US |
allocated | 1993-01-29 | 01a5ee0b24ba… |
| 192.197.178.0 – 192.197.178.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.179.0 – 192.197.179.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.180.0 – 192.197.180.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.181.0 – 192.197.181.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.182.0 – 192.197.182.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.183.0 – 192.197.183.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.184.0 – 192.197.184.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.185.0 – 192.197.185.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.186.0 – 192.197.186.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.187.0 – 192.197.187.255 | 256 | CA |
allocated | 1993-01-29 | c8bae1572cdf… |
| 192.197.191.0 – 192.197.191.255 | 256 | CA |
allocated | 1993-01-29 | 2134330d9e2a… |
| 192.197.192.0 – 192.197.192.255 | 256 | CA |
allocated | 1993-01-29 | 2134330d9e2a… |
| 192.197.193.0 – 192.197.193.255 | 256 | CA |
allocated | 1993-01-29 | 2134330d9e2a… |
| 192.251.231.0 – 192.251.231.255 | 256 | CA |
allocated | 1993-01-29 | c7fdda2badc4… |
| 198.49.27.0 – 198.49.27.255 | 256 | US |
allocated | 1993-01-29 | c1f8d8acc04f… |
| 198.49.28.0 – 198.49.28.255 | 256 | US |
allocated | 1993-01-29 | 159d46efc90f… |
| 198.49.29.0 – 198.49.29.255 | 256 | US |
allocated | 1993-01-29 | 159d46efc90f… |
| 198.49.30.0 – 198.49.30.255 | 256 | US |
allocated | 1993-01-29 | 159d46efc90f… |
| 198.49.31.0 – 198.49.31.255 | 256 | US |
allocated | 1993-01-29 | 98067cd916e1… |
| 198.49.40.0 – 198.49.40.255 | 256 | US |
allocated | 1993-01-29 | 193a8e74d837… |
| 198.49.41.0 – 198.49.41.255 | 256 | US |
allocated | 1993-01-29 | f2d64776c2a3… |
| 198.49.42.0 – 198.49.42.255 | 256 | US |
allocated | 1993-01-29 | e473b85a03e9… |
| 198.49.43.0 – 198.49.43.255 | 256 | US |
allocated | 1993-01-29 | 0d20ab1f6787… |
| 198.49.44.0 – 198.49.44.255 | 256 | US |
allocated | 1993-01-29 | 488ed2e89035… |
| 198.49.45.0 – 198.49.45.255 | 256 | US |
allocated | 1993-01-29 | 81e05477cc28… |
| 198.51.49.0 – 198.51.49.255 | 256 | US |
allocated | 1993-01-29 | 8a817ad4d016… |
| 198.51.50.0 – 198.51.50.255 | 256 | US |
allocated | 1993-01-29 | 8a817ad4d016… |
| 198.51.51.0 – 198.51.51.255 | 256 | US |
allocated | 1993-01-29 | 8a817ad4d016… |
| 198.51.52.0 – 198.51.52.255 | 256 | US |
allocated | 1993-01-29 | 8a817ad4d016… |
| 198.51.53.0 – 198.51.53.255 | 256 | US |
allocated | 1993-01-29 | 8a817ad4d016… |
| 198.51.54.0 – 198.51.55.255 | 512 | US |
allocated | 1993-01-29 | 3f4f29061485… |