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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 192.78.176.0 – 192.78.179.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.180.0 – 192.78.181.255 | 512 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.182.0 – 192.78.182.255 | 256 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.78.183.0 – 192.78.183.255 | 256 | US |
allocated | 1989-10-03 | d421c651a84f… |
| 192.78.184.0 – 192.78.187.255 | 1,024 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 136.207.0.0 – 136.207.255.255 | 65,536 | US |
allocated | 1989-09-30 | 45fe880b68a8… |
| 136.208.0.0 – 136.208.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.210.0.0 – 136.210.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.211.0.0 – 136.211.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.213.0.0 – 136.213.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.214.0.0 – 136.214.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.216.0.0 – 136.216.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.218.0.0 – 136.218.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.220.0.0 – 136.220.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.221.0.0 – 136.221.255.255 | 65,536 | US |
allocated | 1989-09-29 | 45fe880b68a8… |
| 136.204.0.0 – 136.204.255.255 | 65,536 | US |
allocated | 1989-09-26 | 7376c6cfd128… |
| 136.200.0.0 – 136.200.255.255 | 65,536 | US |
allocated | 1989-09-25 | 627126c20760… |
| 136.202.0.0 – 136.202.255.255 | 65,536 | US |
allocated | 1989-09-25 | e1ed1885c9ce… |
| 136.203.0.0 – 136.203.255.255 | 65,536 | US |
allocated | 1989-09-25 | e1ed1885c9ce… |
| 192.58.151.0 – 192.58.151.255 | 256 | US |
allocated | 1989-09-25 | 2fc72c3bfb52… |
| 192.58.152.0 – 192.58.152.255 | 256 | US |
allocated | 1989-09-25 | 2fc72c3bfb52… |
| 192.58.153.0 – 192.58.153.255 | 256 | US |
allocated | 1989-09-25 | 2fc72c3bfb52… |
| 192.58.154.0 – 192.58.154.255 | 256 | US |
allocated | 1989-09-25 | 2fc72c3bfb52… |
| 136.182.0.0 – 136.182.255.255 | 65,536 | US |
allocated | 1989-09-20 | 540bb2ee23ad… |
| 136.183.0.0 – 136.183.255.255 | 65,536 | US |
allocated | 1989-09-20 | 3c8038cec1fb… |
| 136.184.0.0 – 136.184.255.255 | 65,536 | US |
allocated | 1989-09-20 | 651f079f9d88… |
| 136.188.0.0 – 136.191.255.255 | 262,144 | US |
allocated | 1989-09-20 | 45fe880b68a8… |
| 136.192.0.0 – 136.195.255.255 | 262,144 | US |
allocated | 1989-09-20 | 45fe880b68a8… |
| 136.196.0.0 – 136.197.255.255 | 131,072 | US |
allocated | 1989-09-20 | 45fe880b68a8… |
| 192.58.149.0 – 192.58.149.255 | 256 | US |
allocated | 1989-09-20 | bdb0cf594fc5… |
| 192.58.150.0 – 192.58.150.255 | 256 | US |
allocated | 1989-09-20 | 1261f71cb3b8… |
| 136.159.0.0 – 136.159.255.255 | 65,536 | CA |
allocated | 1989-09-19 | 61b99bcb9f00… |
| 136.160.0.0 – 136.160.255.255 | 65,536 | US |
allocated | 1989-09-19 | 12542c3c100e… |
| 136.161.0.0 – 136.161.255.255 | 65,536 | US |
allocated | 1989-09-19 | 37fe01d6d027… |
| 136.162.0.0 – 136.162.255.255 | 65,536 | US |
allocated | 1989-09-19 | f21130892698… |
| 136.168.0.0 – 136.168.255.255 | 65,536 | US |
allocated | 1989-09-19 | 78bca74e966d… |
| 136.180.0.0 – 136.180.255.255 | 65,536 | US |
allocated | 1989-09-19 | a6ee1fb707c2… |
| 136.181.0.0 – 136.181.255.255 | 65,536 | US |
allocated | 1989-09-19 | ecae2b9df56a… |
| 192.58.107.0 – 192.58.107.255 | 256 | US |
allocated | 1989-09-19 | 859ff8395a14… |
| 192.58.120.0 – 192.58.120.255 | 256 | US |
allocated | 1989-09-19 | 28bef9cf7e9c… |
| 192.58.122.0 – 192.58.122.255 | 256 | US |
allocated | 1989-09-19 | 8a746584c984… |
| 192.58.124.0 – 192.58.124.255 | 256 | US |
allocated | 1989-09-19 | 886bcd89ccca… |
| 192.58.125.0 – 192.58.125.255 | 256 | US |
allocated | 1989-09-19 | 5ef2d312c6c4… |
| 192.58.127.0 – 192.58.127.255 | 256 | US |
allocated | 1989-09-19 | 8ec020c5504a… |
| 192.67.6.0 – 192.67.6.255 | 256 | US |
allocated | 1989-09-19 | 37fe01d6d027… |
| 192.55.248.0 – 192.55.248.255 | 256 | US |
allocated | 1989-09-14 | 08382aa6b121… |
| 192.55.249.0 – 192.55.249.255 | 256 | US |
allocated | 1989-09-14 | 81edf322061f… |
| 192.58.102.0 – 192.58.102.255 | 256 | US |
allocated | 1989-09-14 | acfc4932ac54… |
| 192.58.103.0 – 192.58.103.255 | 256 | US |
allocated | 1989-09-14 | acfc4932ac54… |
| 192.58.104.0 – 192.58.104.255 | 256 | US |
allocated | 1989-09-14 | acfc4932ac54… |
| 192.58.105.0 – 192.58.105.255 | 256 | US |
allocated | 1989-09-14 | acfc4932ac54… |
| 192.58.106.0 – 192.58.106.255 | 256 | US |
allocated | 1989-09-14 | acfc4932ac54… |
| 192.58.108.0 – 192.58.108.255 | 256 | US |
allocated | 1989-09-14 | 45fe880b68a8… |