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 |
|---|---|---|---|---|---|
| 198.56.48.0 – 198.56.51.255 | 1,024 |  US |
allocated | 1993-02-04 | 3fcbcaa299b9… |
| 192.108.249.0 – 192.108.249.255 | 256 | US |
allocated | 1993-02-03 | fc39d3d3a4a1… |
| 192.187.149.0 – 192.187.149.255 | 256 | US |
allocated | 1993-02-03 | bf24516911b2… |
| 192.187.153.0 – 192.187.153.255 | 256 | US |
allocated | 1993-02-03 | fd30994037bc… |
| 192.187.155.0 – 192.187.155.255 | 256 | US |
allocated | 1993-02-03 | 215c8e9c6a09… |
| 192.187.156.0 – 192.187.156.255 | 256 | US |
allocated | 1993-02-03 | f77aa475a0fe… |
| 192.187.164.0 – 192.187.164.255 | 256 | US |
allocated | 1993-02-03 | fbf709fc4174… |
| 192.197.188.0 – 192.197.188.255 | 256 |  CA |
allocated | 1993-02-03 | 3cf156cc7609… |
| 192.197.189.0 – 192.197.189.255 | 256 |  PH |
allocated | 1993-02-03 | 5ac1fef87df5… |
| 192.197.205.0 – 192.197.205.255 | 256 | CA |
allocated | 1993-02-03 | 632eb30f91fd… |
| 198.51.157.0 – 198.51.157.255 | 256 | US |
allocated | 1993-02-03 | e619fdf52b2b… |
| 198.51.159.0 – 198.51.159.255 | 256 | US |
allocated | 1993-02-03 | 1af6f5e38c00… |
| 198.51.160.0 – 198.51.160.255 | 256 | US |
allocated | 1993-02-03 | b6aff1bf9bc3… |
| 198.51.161.0 – 198.51.161.255 | 256 | US |
allocated | 1993-02-03 | 935189c135a2… |
| 198.51.163.0 – 198.51.163.255 | 256 | US |
allocated | 1993-02-03 | 3e2de2e918cf… |
| 198.51.164.0 – 198.51.164.255 | 256 | US |
allocated | 1993-02-03 | ca53202cdd5a… |
| 198.51.165.0 – 198.51.165.255 | 256 | US |
allocated | 1993-02-03 | 3e08db6878cf… |
| 198.51.166.0 – 198.51.166.255 | 256 | US |
allocated | 1993-02-03 | fca4caaf2fd2… |
| 198.51.167.0 – 198.51.167.255 | 256 | US |
allocated | 1993-02-03 | d12144a01962… |
| 198.51.125.0 – 198.51.125.255 | 256 | US |
allocated | 1993-02-02 | 014dd96ac169… |
| 198.51.126.0 – 198.51.127.255 | 512 | US |
allocated | 1993-02-02 | 014dd96ac169… |
| 198.51.128.0 – 198.51.128.255 | 256 | US |
allocated | 1993-02-02 | 014dd96ac169… |
| 198.51.129.0 – 198.51.129.255 | 256 | US |
allocated | 1993-02-02 | 4abb1809a5f8… |
| 198.51.130.0 – 198.51.130.255 | 256 | US |
allocated | 1993-02-02 | 39f84c35bd3b… |
| 198.51.141.0 – 198.51.141.255 | 256 | US |
allocated | 1993-02-02 | bdc7468426f8… |
| 198.51.142.0 – 198.51.142.255 | 256 | US |
allocated | 1993-02-02 | 66581a0e7563… |
| 198.51.147.0 – 198.51.147.255 | 256 | US |
allocated | 1993-02-02 | 4cb5a7bf42df… |
| 198.51.148.0 – 198.51.148.255 | 256 | US |
allocated | 1993-02-02 | 11367f25b928… |
| 198.51.149.0 – 198.51.149.255 | 256 | US |
allocated | 1993-02-02 | 92847c100780… |
| 198.51.150.0 – 198.51.150.255 | 256 | US |
allocated | 1993-02-02 | 7e609a411f91… |
| 198.51.151.0 – 198.51.151.255 | 256 | CA |
allocated | 1993-02-02 | 80b214a6ff61… |
| 198.51.153.0 – 198.51.153.255 | 256 | US |
allocated | 1993-02-02 | 9bd0e027d7e8… |
| 198.51.154.0 – 198.51.154.255 | 256 | US |
allocated | 1993-02-02 | 9bd0e027d7e8… |
| 198.51.155.0 – 198.51.155.255 | 256 | US |
allocated | 1993-02-02 | 11367f25b928… |
| 198.56.64.0 – 198.56.127.255 | 16,384 | US |
allocated | 1993-02-02 | 32fcc5a2a0a8… |
| 198.13.64.0 – 198.13.71.255 | 2,048 | US |
allocated | 1993-02-01 | a0af399dbe42… |
| 198.13.72.0 – 198.13.73.255 | 512 | US |
allocated | 1993-02-01 | a0af399dbe42… |
| 198.51.92.0 – 198.51.92.255 | 256 | US |
allocated | 1993-02-01 | 21c7931f9ebd… |
| 198.51.96.0 – 198.51.96.255 | 256 | US |
allocated | 1993-02-01 | b961dd802c60… |
| 198.51.98.0 – 198.51.98.255 | 256 | US |
allocated | 1993-02-01 | ff48125326bc… |
| 198.51.103.0 – 198.51.103.255 | 256 | US |
allocated | 1993-02-01 | 23bb6e997ace… |
| 198.51.108.0 – 198.51.108.255 | 256 | US |
allocated | 1993-02-01 | dd195b30217e… |
| 198.51.109.0 – 198.51.109.255 | 256 | US |
allocated | 1993-02-01 | 07429c134d6c… |
| 198.51.110.0 – 198.51.110.255 | 256 | US |
allocated | 1993-02-01 | 6f91ba8d2853… |
| 198.51.111.0 – 198.51.111.255 | 256 | US |
allocated | 1993-02-01 | b5471e46efda… |
| 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… |