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
1,644,513,024
📦
IPv4 networks
77,344
delegated blocks
🧭
IPv6 networks
11,604
delegated blocks
🔗
Autonomous systems
34,326
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 198.51.112.0 – 198.51.115.255 | 1,024 |  CA |
allocated | 1993-02-01 | 0ac94b4a88cd… |
| 198.51.116.0 – 198.51.117.255 | 512 | CA |
allocated | 1993-02-01 | 0ac94b4a88cd… |
| 198.51.118.0 – 198.51.118.255 | 256 |  US |
allocated | 1993-02-01 | c69be1f6d63d… |
| 198.51.119.0 – 198.51.119.255 | 256 | US |
allocated | 1993-02-01 | c69be1f6d63d… |
| 198.51.120.0 – 198.51.120.255 | 256 | US |
allocated | 1993-02-01 | 02232f05c033… |
| 198.51.121.0 – 198.51.121.255 | 256 | US |
allocated | 1993-02-01 | 02232f05c033… |
| 198.51.122.0 – 198.51.122.255 | 256 | US |
allocated | 1993-02-01 | 0734f11bb89f… |
| 198.51.123.0 – 198.51.123.255 | 256 | US |
allocated | 1993-02-01 | 0734f11bb89f… |
| 198.51.124.0 – 198.51.124.255 | 256 | US |
allocated | 1993-02-01 | 0734f11bb89f… |
| 198.56.0.0 – 198.56.7.255 | 2,048 | US |
allocated | 1993-02-01 | 1bc3ac18dff2… |
| 198.56.8.0 – 198.56.15.255 | 2,048 | US |
allocated | 1993-02-01 | 9f6accf20856… |
| 192.4.0.0 – 192.4.15.255 | 4,096 | US |
allocated | 1993-01-30 | 9dd9107b66d5… |
| 192.4.16.0 – 192.4.31.255 | 4,096 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.32.0 – 192.4.63.255 | 8,192 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.64.0 – 192.4.127.255 | 16,384 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.128.0 – 192.4.191.255 | 16,384 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.192.0 – 192.4.223.255 | 8,192 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.224.0 – 192.4.231.255 | 2,048 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.232.0 – 192.4.235.255 | 1,024 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 192.4.236.0 – 192.4.237.255 | 512 | US |
allocated | 1993-01-30 | 41d606401cb6… |
| 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… |