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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.101.126.0 – 192.101.126.255 | 256 |  US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.127.0 – 192.101.127.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.128.0 – 192.101.128.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.129.0 – 192.101.129.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.130.0 – 192.101.130.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.131.0 – 192.101.131.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.132.0 – 192.101.132.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.133.0 – 192.101.133.255 | 256 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 192.101.135.0 – 192.101.135.255 | 256 | US |
allocated | 1991-06-27 | 1cdcf9907799… |
| 192.101.136.0 – 192.101.136.255 | 256 | US |
allocated | 1991-06-27 | 153be1420df6… |
| 151.137.0.0 – 151.137.255.255 | 65,536 | US |
allocated | 1991-06-26 | 43f112ec103d… |
| 151.138.0.0 – 151.138.255.255 | 65,536 | US |
allocated | 1991-06-26 | 3dc82bc9c997… |
| 151.140.0.0 – 151.140.255.255 | 65,536 | US |
allocated | 1991-06-26 | 44a317ee2c0a… |
| 151.141.0.0 – 151.141.255.255 | 65,536 | US |
allocated | 1991-06-26 | f87678e829ac… |
| 192.112.28.0 – 192.112.28.255 | 256 | US |
allocated | 1991-06-26 | ffd67fadfdd4… |
| 192.112.36.0 – 192.112.36.255 | 256 | US |
allocated | 1991-06-26 | 45fe880b68a8… |
| 192.112.38.0 – 192.112.38.255 | 256 | US |
allocated | 1991-06-26 | 45fe880b68a8… |
| 147.42.0.0 – 147.42.255.255 | 65,536 | US |
allocated | 1991-06-21 | 45fe880b68a8… |
| 147.48.0.0 – 147.48.255.255 | 65,536 | US |
allocated | 1991-06-21 | 45fe880b68a8… |
| 192.75.151.0 – 192.75.151.255 | 256 |  CA |
allocated | 1991-06-21 | 4616606d5a85… |
| 192.75.152.0 – 192.75.152.255 | 256 | CA |
allocated | 1991-06-21 | d8088f444298… |
| 192.101.44.0 – 192.101.44.255 | 256 | US |
allocated | 1991-06-21 | 32257122a47c… |
| 192.101.76.0 – 192.101.76.255 | 256 | US |
allocated | 1991-06-21 | 794d5f9a2617… |
| 192.101.77.0 – 192.101.77.255 | 256 | US |
allocated | 1991-06-21 | 37a5850e90a2… |
| 192.101.78.0 – 192.101.78.255 | 256 | US |
allocated | 1991-06-21 | bf1981220040… |
| 192.101.80.0 – 192.101.80.255 | 256 | US |
allocated | 1991-06-21 | c35103af689d… |
| 192.101.92.0 – 192.101.92.255 | 256 | US |
allocated | 1991-06-21 | cb587d8f36ef… |
| 192.101.93.0 – 192.101.93.255 | 256 | US |
allocated | 1991-06-21 | eee4911c1d68… |
| 192.101.94.0 – 192.101.94.255 | 256 | US |
allocated | 1991-06-21 | 66169fc2b1e7… |
| 192.103.8.0 – 192.103.8.255 | 256 | US |
allocated | 1991-06-21 | f997148a5acc… |
| 192.104.249.0 – 192.104.249.255 | 256 | US |
allocated | 1991-06-21 | df9fea9b42a1… |
| 192.104.250.0 – 192.104.250.255 | 256 | US |
allocated | 1991-06-21 | 5cf5dc09812f… |
| 192.104.253.0 – 192.104.253.255 | 256 | US |
allocated | 1991-06-21 | f05c55e93dd9… |
| 192.104.254.0 – 192.104.254.255 | 256 | US |
allocated | 1991-06-21 | 36edebe52b77… |
| 192.112.1.0 – 192.112.1.255 | 256 | US |
allocated | 1991-06-21 | d35fa5ac9225… |
| 192.112.3.0 – 192.112.3.255 | 256 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.4.0 – 192.112.7.255 | 1,024 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.8.0 – 192.112.11.255 | 1,024 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.12.0 – 192.112.12.255 | 256 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.13.0 – 192.112.13.255 | 256 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.14.0 – 192.112.15.255 | 512 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.16.0 – 192.112.19.255 | 1,024 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.20.0 – 192.112.21.255 | 512 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.22.0 – 192.112.22.255 | 256 | US |
allocated | 1991-06-21 | 2d90cbf4f78e… |
| 192.112.24.0 – 192.112.24.255 | 256 | US |
allocated | 1991-06-21 | 817105e3ebba… |
| 192.112.25.0 – 192.112.25.255 | 256 | US |
allocated | 1991-06-21 | 12d61d513a17… |
| 147.170.0.0 – 147.170.255.255 | 65,536 | US |
allocated | 1991-06-20 | a5233c3f9c47… |
| 151.132.0.0 – 151.132.255.255 | 65,536 | US |
allocated | 1991-06-20 | 123858e5a7b4… |
| 192.103.6.0 – 192.103.6.255 | 256 | US |
allocated | 1991-06-20 | f5ba309c0cda… |
| 192.103.9.0 – 192.103.9.255 | 256 | US |
allocated | 1991-06-20 | 7f97c95fad03… |
| 192.103.10.0 – 192.103.10.255 | 256 | US |
allocated | 1991-06-20 | 04091e83a2db… |
| 136.219.0.0 – 136.219.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 136.222.0.0 – 136.222.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 136.235.0.0 – 136.235.255.255 | 65,536 | US |
allocated | 1991-06-19 | 32eecabbbfa8… |
| 140.239.0.0 – 140.239.255.255 | 65,536 | US |
allocated | 1991-06-19 | e220ed812a4c… |
| 147.35.0.0 – 147.35.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 147.36.0.0 – 147.36.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 147.38.0.0 – 147.38.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 147.39.0.0 – 147.39.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 147.40.0.0 – 147.40.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 147.169.0.0 – 147.169.255.255 | 65,536 | US |
allocated | 1991-06-19 | 45fe880b68a8… |
| 192.80.77.0 – 192.80.77.255 | 256 | US |
allocated | 1991-06-19 | 79c2c5c06e50… |
| 142.62.0.0 – 142.62.255.255 | 65,536 | CA |
allocated | 1991-06-18 | da0cb28c9322… |
| 142.63.0.0 – 142.63.255.255 | 65,536 | CA |
allocated | 1991-06-18 | 0e702695cc8d… |
| 142.64.0.0 – 142.64.255.255 | 65,536 | CA |
allocated | 1991-06-18 | c8bae1572cdf… |
| 142.65.0.0 – 142.65.255.255 | 65,536 | US |
allocated | 1991-06-18 | 6af3dbdad10c… |
| 147.31.0.0 – 147.31.255.255 | 65,536 | US |
allocated | 1991-06-18 | 021fc23c99bd… |
| 147.34.0.0 – 147.34.255.255 | 65,536 | US |
allocated | 1991-06-18 | ca8d617b6c8d… |
| 192.101.35.0 – 192.101.35.255 | 256 | US |
allocated | 1991-06-18 | c0c363a38230… |
| 192.101.36.0 – 192.101.36.255 | 256 | US |
allocated | 1991-06-18 | c0c363a38230… |
| 192.101.37.0 – 192.101.37.255 | 256 | US |
allocated | 1991-06-18 | c0c363a38230… |
| 192.101.38.0 – 192.101.38.255 | 256 | US |
allocated | 1991-06-18 | b3efdd4fe0f4… |
| 192.101.39.0 – 192.101.39.255 | 256 | US |
allocated | 1991-06-18 | 27f2e3f38f44… |
| 192.101.40.0 – 192.101.40.255 | 256 | US |
allocated | 1991-06-18 | 350571902810… |
| 192.101.41.0 – 192.101.41.255 | 256 | US |
allocated | 1991-06-18 | 350571902810… |
| 192.101.42.0 – 192.101.42.255 | 256 | US |
allocated | 1991-06-18 | 0ff513819226… |
| 192.101.43.0 – 192.101.43.255 | 256 | US |
allocated | 1991-06-18 | 45fe880b68a8… |
| 151.122.0.0 – 151.122.255.255 | 65,536 | US |
allocated | 1991-06-17 | 071f44691360… |
| 151.123.64.0 – 151.123.127.255 | 16,384 | US |
allocated | 1991-06-17 | 09b386cdf351… |
| 151.124.0.0 – 151.124.255.255 | 65,536 | US |
allocated | 1991-06-17 | 457cd743612a… |
| 151.126.0.0 – 151.126.255.255 | 65,536 | US |
allocated | 1991-06-17 | 9b25922167b8… |
| 151.128.0.0 – 151.128.255.255 | 65,536 | US |
allocated | 1991-06-17 | 855b7b414263… |
| 151.131.0.0 – 151.131.255.255 | 65,536 | US |
allocated | 1991-06-17 | 5e72d887835e… |
| 192.104.182.0 – 192.104.183.255 | 512 | US |
allocated | 1991-06-17 | 55675666e462… |
| 192.104.184.0 – 192.104.191.255 | 2,048 | US |
allocated | 1991-06-17 | 55675666e462… |
| 192.104.192.0 – 192.104.223.255 | 8,192 | US |
allocated | 1991-06-17 | 55675666e462… |
| 192.104.224.0 – 192.104.231.255 | 2,048 | US |
allocated | 1991-06-17 | 55675666e462… |
| 192.104.235.0 – 192.104.235.255 | 256 | US |
allocated | 1991-06-17 | b2749506b176… |
| 192.104.236.0 – 192.104.236.255 | 256 | US |
allocated | 1991-06-17 | ace55d4dc090… |
| 192.104.237.0 – 192.104.237.255 | 256 | US |
allocated | 1991-06-17 | acd8ae27f732… |
| 192.104.239.0 – 192.104.239.255 | 256 | US |
allocated | 1991-06-17 | 7347b13c724c… |
| 192.104.241.0 – 192.104.241.255 | 256 | US |
allocated | 1991-06-17 | df36371bc0ce… |
| 192.104.244.0 – 192.104.244.255 | 256 | US |
allocated | 1991-06-17 | 97f44d0df7e7… |
| 142.39.0.0 – 142.39.255.255 | 65,536 | CA |
allocated | 1991-06-14 | 6e881116c5b3… |
| 142.44.0.0 – 142.44.7.255 | 2,048 | CA |
allocated | 1991-06-14 | 53a6b0f29696… |
| 192.75.148.0 – 192.75.148.255 | 256 | CA |
allocated | 1991-06-14 | c7ebada6ab95… |
| 192.75.149.0 – 192.75.149.255 | 256 | CA |
allocated | 1991-06-14 | 0beff5980ae0… |
| 192.75.150.0 – 192.75.150.255 | 256 | CA |
allocated | 1991-06-14 | 86f7bc5cb9c2… |
| 192.104.181.0 – 192.104.181.255 | 256 | US |
allocated | 1991-06-14 | 365127bedff2… |
| 150.208.0.0 – 150.208.255.255 | 65,536 | US |
allocated | 1991-06-11 | 887ce4ec84e6… |