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 |
|---|---|---|---|---|---|
| 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… |
| 192.59.0.0 – 192.59.255.255 | 65,536 | US |
allocated | 1989-09-14 | 19bcfab17635… |
| 136.167.0.0 – 136.167.255.255 | 65,536 | US |
allocated | 1989-09-13 | 56cbb6d539aa… |
| 136.178.0.0 – 136.178.255.255 | 65,536 | US |
allocated | 1989-09-13 | 2d90cbf4f78e… |
| 192.40.51.0 – 192.40.51.255 | 256 | US |
allocated | 1989-09-13 | 45fe880b68a8… |
| 192.58.109.0 – 192.58.109.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.110.0 – 192.58.110.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.111.0 – 192.58.111.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.112.0 – 192.58.112.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.113.0 – 192.58.113.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.114.0 – 192.58.114.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.115.0 – 192.58.115.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.116.0 – 192.58.116.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.117.0 – 192.58.117.255 | 256 | US |
allocated | 1989-09-13 | e0cd88697e12… |
| 192.58.119.0 – 192.58.119.255 | 256 | US |
allocated | 1989-09-13 | 2d90cbf4f78e… |
| 136.150.0.0 – 136.150.255.255 | 65,536 | US |
allocated | 1989-09-12 | dd054087e5ac… |
| 136.174.0.0 – 136.174.255.255 | 65,536 | US |
allocated | 1989-09-12 | fbb228ac4fe8… |
| 136.176.0.0 – 136.176.63.255 | 16,384 | US |
allocated | 1989-09-12 | e9ee1717ee17… |
| 136.177.0.0 – 136.177.255.255 | 65,536 | US |
allocated | 1989-09-12 | 36461df0e4b1… |
| 192.55.246.0 – 192.55.246.255 | 256 | US |
allocated | 1989-09-12 | 45fe880b68a8… |
| 192.58.36.0 – 192.58.36.255 | 256 | US |
allocated | 1989-09-11 | 2d90cbf4f78e… |
| 192.55.237.0 – 192.55.237.255 | 256 | US |
allocated | 1989-09-08 | 4a67db8a65eb… |
| 192.55.239.0 – 192.55.239.255 | 256 | US |
allocated | 1989-09-08 | 021fc23c99bd… |
| 192.55.240.0 – 192.55.240.255 | 256 | US |
allocated | 1989-09-08 | 45fe880b68a8… |
| 136.171.0.0 – 136.171.255.255 | 65,536 | US |
allocated | 1989-09-05 | 2627037a004b… |
| 192.33.115.0 – 192.33.115.255 | 256 | US |
allocated | 1989-09-05 | c8ea570e1e86… |
| 192.33.116.0 – 192.33.116.255 | 256 | US |
allocated | 1989-09-05 | c8ea570e1e86… |
| 192.55.230.0 – 192.55.230.255 | 256 | US |
allocated | 1989-09-05 | 3e090f752ea1… |
| 192.55.233.0 – 192.55.233.255 | 256 | US |
allocated | 1989-09-05 | b752e4a1339d… |
| 192.55.234.0 – 192.55.234.255 | 256 | US |
allocated | 1989-09-05 | 9559e9706f04… |
| 192.55.236.0 – 192.55.236.255 | 256 | US |
allocated | 1989-09-05 | 36029c89428b… |
| 20.32.0.0 – 20.32.255.255 | 65,536 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.132.0.0 – 20.133.255.255 | 131,072 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.134.0.0 – 20.134.255.255 | 65,536 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.137.0.0 – 20.137.255.255 | 65,536 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.138.0.0 – 20.139.255.255 | 131,072 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.148.0.0 – 20.149.255.255 | 131,072 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.154.0.0 – 20.155.255.255 | 131,072 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 20.156.0.0 – 20.156.255.255 | 65,536 | US |
allocated | 1989-09-04 | d421c651a84f… |
| 136.165.0.0 – 136.165.255.255 | 65,536 | US |
allocated | 1989-09-04 | 55f4a46983b5… |
| 136.166.0.0 – 136.166.255.255 | 65,536 | US |
allocated | 1989-09-04 | 15733c1a6a76… |
| 192.55.226.0 – 192.55.226.255 | 256 | US |
allocated | 1989-09-04 | 7598772461f3… |
| 192.55.227.0 – 192.55.227.255 | 256 | US |
allocated | 1989-09-04 | c69fc9ca7000… |
| 192.55.228.0 – 192.55.228.255 | 256 | US |
allocated | 1989-09-04 | 6b6a68ceff30… |
| 192.55.229.0 – 192.55.229.255 | 256 | US |
allocated | 1989-09-04 | e6fd339d7ca6… |
| 136.149.0.0 – 136.149.255.255 | 65,536 | US |
allocated | 1989-08-31 | 45fe880b68a8… |
| 192.55.222.0 – 192.55.222.255 | 256 | US |
allocated | 1989-08-31 | f21b70fbc417… |
| 192.55.223.0 – 192.55.223.255 | 256 | US |
allocated | 1989-08-31 | acfc4932ac54… |