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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 137.24.0.0 – 137.24.255.255 | 65,536 |  US |
allocated | 1989-10-11 | 45fe880b68a8… |
| 192.58.196.0 – 192.58.196.255 | 256 | US |
allocated | 1989-10-11 | 25aaa0a3b621… |
| 192.58.199.0 – 192.58.199.255 | 256 | US |
allocated | 1989-10-11 | 45fe880b68a8… |
| 192.58.204.0 – 192.58.204.255 | 256 | US |
allocated | 1989-10-11 | 501eb4ea8218… |
| 192.58.205.0 – 192.58.205.255 | 256 | US |
allocated | 1989-10-11 | 501eb4ea8218… |
| 192.58.206.0 – 192.58.206.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 192.58.207.0 – 192.58.207.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 192.58.210.0 – 192.58.210.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 137.14.0.0 – 137.14.255.255 | 65,536 | US |
allocated | 1989-10-10 | 45fe880b68a8… |
| 137.15.0.0 – 137.15.255.255 | 65,536 |  CA |
allocated | 1989-10-10 | b3e6df5d0273… |
| 137.18.0.0 – 137.18.255.255 | 65,536 | US |
allocated | 1989-10-10 | 5b4d06da1ecb… |
| 192.58.195.0 – 192.58.195.255 | 256 | US |
allocated | 1989-10-10 | 80dee772968a… |
| 192.58.200.0 – 192.58.203.255 | 1,024 | US |
allocated | 1989-10-10 | f19b682f7b35… |
| 192.58.211.0 – 192.58.211.255 | 256 | US |
allocated | 1989-10-10 | cdfe872d6f50… |
| 136.240.0.0 – 136.241.255.255 | 131,072 | US |
allocated | 1989-10-05 | e1ed1885c9ce… |
| 136.242.0.0 – 136.242.63.255 | 16,384 | US |
allocated | 1989-10-05 | 240c6b1ea4b5… |
| 136.244.128.0 – 136.244.255.255 | 32,768 | US |
allocated | 1989-10-05 | 9b59beedd95d… |
| 136.245.0.0 – 136.245.63.255 | 16,384 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.144.0 – 136.245.159.255 | 4,096 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.160.0 – 136.245.191.255 | 8,192 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.192.0 – 136.245.255.255 | 16,384 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.247.0.0 – 136.247.255.255 | 65,536 | US |
allocated | 1989-10-05 | 4618f264d7c6… |
| 132.25.0.0 – 132.25.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.26.0.0 – 132.26.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.29.0.0 – 132.29.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.30.0.0 – 132.30.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.35.0.0 – 132.35.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.38.0.0 – 132.38.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.39.0.0 – 132.39.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.47.0.0 – 132.47.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.50.0.0 – 132.50.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.51.0.0 – 132.51.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 136.223.0.0 – 136.223.255.255 | 65,536 | US |
allocated | 1989-10-03 | dd054087e5ac… |
| 136.224.0.0 – 136.224.255.255 | 65,536 | US |
allocated | 1989-10-03 | d60a33a2abe6… |
| 136.227.0.0 – 136.227.63.255 | 16,384 | US |
allocated | 1989-10-03 | a26d6a4aba8f… |
| 136.227.128.0 – 136.227.135.255 | 2,048 | US |
allocated | 1989-10-03 | a26d6a4aba8f… |
| 136.229.0.0 – 136.229.255.255 | 65,536 | US |
allocated | 1989-10-03 | f84583916ecf… |
| 136.237.0.0 – 136.237.255.255 | 65,536 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 136.238.0.0 – 136.238.255.255 | 65,536 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.58.155.0 – 192.58.155.255 | 256 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 192.58.156.0 – 192.58.159.255 | 1,024 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.160.0 – 192.58.175.255 | 4,096 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.176.0 – 192.58.179.255 | 1,024 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.181.0 – 192.58.181.255 | 256 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 192.58.183.0 – 192.58.183.255 | 256 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.58.184.0 – 192.58.191.255 | 2,048 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.58.192.0 – 192.58.192.255 | 256 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.64.68.0 – 192.64.68.255 | 256 | US |
allocated | 1989-10-03 | 2fc72c3bfb52… |
| 192.64.96.0 – 192.64.96.255 | 256 | US |
allocated | 1989-10-03 | 2f5e6922718e… |
| 192.64.159.0 – 192.64.159.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.161.0 – 192.64.161.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.162.0 – 192.64.163.255 | 512 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.164.0 – 192.64.164.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.78.1.0 – 192.78.1.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.2.0 – 192.78.3.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.4.0 – 192.78.4.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.5.0 – 192.78.5.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.6.0 – 192.78.7.255 | 512 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.8.0 – 192.78.11.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |
| 192.78.12.0 – 192.78.13.255 | 512 | US |
allocated | 1989-10-03 | 84e5f922df06… |
| 192.78.14.0 – 192.78.14.255 | 256 | US |
allocated | 1989-10-03 | 84e5f922df06… |
| 192.78.15.0 – 192.78.15.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.16.0 – 192.78.16.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.17.0 – 192.78.17.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.18.0 – 192.78.19.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.20.0 – 192.78.23.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.24.0 – 192.78.27.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.28.0 – 192.78.31.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |
| 192.78.32.0 – 192.78.39.255 | 2,048 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.40.0 – 192.78.43.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.44.0 – 192.78.44.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.45.0 – 192.78.45.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.46.0 – 192.78.47.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.48.0 – 192.78.63.255 | 4,096 | CA |
allocated | 1989-10-03 | 1e270c48a8b7… |
| 192.78.64.0 – 192.78.71.255 | 2,048 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.72.0 – 192.78.75.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |
| 192.78.76.0 – 192.78.79.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.80.0 – 192.78.95.255 | 4,096 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.96.0 – 192.78.97.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.98.0 – 192.78.98.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.99.0 – 192.78.99.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.100.0 – 192.78.103.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.104.0 – 192.78.111.255 | 2,048 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.112.0 – 192.78.115.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |
| 192.78.116.0 – 192.78.119.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.120.0 – 192.78.123.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.124.0 – 192.78.124.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.125.0 – 192.78.125.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.126.0 – 192.78.127.255 | 512 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.128.0 – 192.78.129.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.130.0 – 192.78.130.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.131.0 – 192.78.131.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.132.0 – 192.78.135.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |
| 192.78.136.0 – 192.78.143.255 | 2,048 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.144.0 – 192.78.147.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.148.0 – 192.78.148.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.149.0 – 192.78.149.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.150.0 – 192.78.151.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.152.0 – 192.78.155.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.156.0 – 192.78.159.255 | 1,024 | US |
allocated | 1989-10-03 | 1e6aecf01600… |