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
1,645,590,528
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,339
delegated blocks
🔗
Autonomous systems
34,020
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.181.180.0 – 199.181.180.255 | 256 |  US |
allocated | 1994-03-31 | 7a790141bc96… |
| 199.181.184.0 – 199.181.184.255 | 256 | US |
allocated | 1994-03-31 | bf61bfbb85a7… |
| 199.181.185.0 – 199.181.185.255 | 256 | US |
allocated | 1994-03-31 | a04ac2dd08b6… |
| 199.181.186.0 – 199.181.186.255 | 256 | US |
allocated | 1994-03-31 | 7724d9bb7ed7… |
| 199.181.187.0 – 199.181.187.255 | 256 | US |
allocated | 1994-03-31 | 23be8a59d2cd… |
| 199.181.188.0 – 199.181.188.255 | 256 | US |
allocated | 1994-03-31 | 497e176c0d78… |
| 199.181.189.0 – 199.181.189.255 | 256 | US |
allocated | 1994-03-31 | 4b2236f6e18d… |
| 199.181.194.0 – 199.181.194.255 | 256 | US |
allocated | 1994-03-31 | 4bf95ae173b0… |
| 199.181.195.0 – 199.181.195.255 | 256 | US |
allocated | 1994-03-31 | eef5be3e8249… |
| 199.212.4.0 – 199.212.7.255 | 1,024 |  CA |
allocated | 1994-03-31 | a66b4789a938… |
| 164.226.0.0 – 164.226.255.255 | 65,536 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 170.103.128.0 – 170.103.191.255 | 16,384 | US |
allocated | 1994-03-30 | 1482baef4021… |
| 170.103.192.0 – 170.103.255.255 | 16,384 | US |
allocated | 1994-03-30 | 6d4a11a21b7d… |
| 170.104.0.0 – 170.104.255.255 | 65,536 | US |
allocated | 1994-03-30 | 5e7685b67be6… |
| 198.200.158.0 – 198.200.158.255 | 256 | US |
allocated | 1994-03-30 | c6f4c91b6baa… |
| 198.200.159.0 – 198.200.159.255 | 256 | US |
allocated | 1994-03-30 | 8d29ff67a316… |
| 198.200.160.0 – 198.200.160.255 | 256 | US |
allocated | 1994-03-30 | e729486fba72… |
| 198.200.161.0 – 198.200.161.255 | 256 | US |
allocated | 1994-03-30 | 4bb86da57a42… |
| 199.10.228.0 – 199.10.228.255 | 256 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.10.229.0 – 199.10.229.255 | 256 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.10.230.0 – 199.10.230.255 | 256 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.10.232.0 – 199.10.232.255 | 256 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.165.217.0 – 199.165.217.255 | 256 | US |
allocated | 1994-03-30 | 457fbf63ddcf… |
| 199.165.218.0 – 199.165.218.255 | 256 | US |
allocated | 1994-03-30 | 8f958c5d8b5d… |
| 199.165.220.0 – 199.165.220.255 | 256 | US |
allocated | 1994-03-30 | 1197edc5a087… |
| 199.165.221.0 – 199.165.221.255 | 256 | US |
allocated | 1994-03-30 | 7f0886ed00c6… |
| 199.165.222.0 – 199.165.222.255 | 256 | US |
allocated | 1994-03-30 | 001f33983840… |
| 199.165.223.0 – 199.165.223.255 | 256 | US |
allocated | 1994-03-30 | 158957cf6bee… |
| 199.181.149.0 – 199.181.149.255 | 256 | US |
allocated | 1994-03-30 | 01ded2cfbf92… |
| 199.181.152.0 – 199.181.155.255 | 1,024 | US |
allocated | 1994-03-30 | b1df39dd914e… |
| 199.181.156.0 – 199.181.156.255 | 256 | US |
allocated | 1994-03-30 | 436653a84e58… |
| 199.181.157.0 – 199.181.157.255 | 256 | US |
allocated | 1994-03-30 | 436653a84e58… |
| 199.181.158.0 – 199.181.159.255 | 512 | US |
allocated | 1994-03-30 | aa307fcdef65… |
| 199.181.163.0 – 199.181.163.255 | 256 | US |
allocated | 1994-03-30 | 7ce65f469a07… |
| 199.181.169.0 – 199.181.169.255 | 256 | US |
allocated | 1994-03-30 | 6e0037ecb3c7… |
| 199.181.170.0 – 199.181.170.255 | 256 | US |
allocated | 1994-03-30 | 3a985db6112d… |
| 199.181.171.0 – 199.181.171.255 | 256 | US |
allocated | 1994-03-30 | 90387972bda1… |
| 199.181.172.0 – 199.181.175.255 | 1,024 | US |
allocated | 1994-03-30 | bc8d7ad760f1… |
| 199.181.176.0 – 199.181.176.255 | 256 | US |
allocated | 1994-03-30 | 2f9ade5d0d61… |
| 199.223.0.0 – 199.223.15.255 | 4,096 | US |
allocated | 1994-03-30 | 13dd283ebf18… |
| 199.225.0.0 – 199.225.255.255 | 65,536 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.226.0.0 – 199.226.255.255 | 65,536 | US |
allocated | 1994-03-30 | 45fe880b68a8… |
| 199.227.0.0 – 199.227.255.255 | 65,536 | US |
allocated | 1994-03-30 | e5e3b9c13678… |
| 199.228.0.0 – 199.228.255.255 | 65,536 | US |
allocated | 1994-03-30 | 161fb0fc33bc… |
| 168.116.0.0 – 168.116.255.255 | 65,536 | US |
allocated | 1994-03-29 | 5188c1736654… |
| 168.117.0.0 – 168.117.255.255 | 65,536 | US |
allocated | 1994-03-29 | f381c8757c55… |
| 168.118.0.0 – 168.118.255.255 | 65,536 | US |
allocated | 1994-03-29 | 4b3e152c829c… |
| 168.147.0.0 – 168.147.255.255 | 65,536 | US |
allocated | 1994-03-29 | 651f079f9d88… |
| 170.102.0.0 – 170.102.63.255 | 16,384 | US |
allocated | 1994-03-29 | 6dd913a5685e… |
| 170.102.64.0 – 170.102.95.255 | 8,192 | US |
allocated | 1994-03-29 | 6dd913a5685e… |
| 170.102.96.0 – 170.102.111.255 | 4,096 | US |
allocated | 1994-03-29 | 6dd913a5685e… |
| 198.162.239.0 – 198.162.239.255 | 256 | US |
allocated | 1994-03-29 | 3f31a826c3a4… |
| 198.200.154.0 – 198.200.154.255 | 256 | US |
allocated | 1994-03-29 | 47b4bdece3f9… |
| 198.200.155.0 – 198.200.155.255 | 256 | US |
allocated | 1994-03-29 | 73476943cb8f… |
| 198.200.156.0 – 198.200.156.255 | 256 | US |
allocated | 1994-03-29 | c41d947cb58d… |
| 198.200.157.0 – 198.200.157.255 | 256 | US |
allocated | 1994-03-29 | 7f8a5bf9f5d4… |
| 199.43.118.0 – 199.43.118.255 | 256 | CA |
allocated | 1994-03-29 | dd96d88ffaf4… |
| 199.60.99.0 – 199.60.99.255 | 256 | CA |
allocated | 1994-03-29 | ec23c4dab40a… |
| 199.60.152.0 – 199.60.155.255 | 1,024 | CA |
allocated | 1994-03-29 | 912805d49407… |
| 199.71.108.0 – 199.71.111.255 | 1,024 | CA |
allocated | 1994-03-29 | 54a27afe95a4… |
| 199.71.112.0 – 199.71.112.255 | 256 | CA |
allocated | 1994-03-29 | 54a27afe95a4… |
| 199.71.136.0 – 199.71.137.255 | 512 | CA |
allocated | 1994-03-29 | dcc66c44e67c… |
| 199.165.203.0 – 199.165.203.255 | 256 | US |
allocated | 1994-03-29 | 01138a5e1055… |
| 199.165.207.0 – 199.165.207.255 | 256 | US |
allocated | 1994-03-29 | d00500892858… |
| 199.165.208.0 – 199.165.211.255 | 1,024 | US |
allocated | 1994-03-29 | 3e5dd2929dfb… |
| 199.165.213.0 – 199.165.213.255 | 256 | US |
allocated | 1994-03-29 | cb0fbd9a3194… |
| 199.165.214.0 – 199.165.214.255 | 256 | US |
allocated | 1994-03-29 | 24ff0c5bd9fd… |
| 199.165.215.0 – 199.165.215.255 | 256 | US |
allocated | 1994-03-29 | cc0b742b4dc6… |
| 199.165.216.0 – 199.165.216.255 | 256 | US |
allocated | 1994-03-29 | 6dee5ef98f1a… |
| 199.181.136.0 – 199.181.137.255 | 512 | US |
allocated | 1994-03-29 | 3b26a06fbe51… |
| 199.181.138.0 – 199.181.138.255 | 256 | US |
allocated | 1994-03-29 | 3b26a06fbe51… |
| 199.181.139.0 – 199.181.139.255 | 256 | US |
allocated | 1994-03-29 | 70cd13277051… |
| 199.181.142.0 – 199.181.142.255 | 256 | US |
allocated | 1994-03-29 | 3d29a0c75352… |
| 199.181.143.0 – 199.181.143.255 | 256 | US |
allocated | 1994-03-29 | 0bb0a40ba712… |
| 199.181.144.0 – 199.181.144.255 | 256 | US |
allocated | 1994-03-29 | 9f02b2177f4e… |
| 199.181.145.0 – 199.181.145.255 | 256 | US |
allocated | 1994-03-29 | 8d5b5c1711da… |
| 199.181.146.0 – 199.181.146.255 | 256 | US |
allocated | 1994-03-29 | f0bd8ffe783f… |
| 199.181.147.0 – 199.181.147.255 | 256 | US |
allocated | 1994-03-29 | e6698d7e71a1… |
| 199.181.164.0 – 199.181.167.255 | 1,024 | US |
allocated | 1994-03-29 | 3ba4d3b89205… |
| 199.181.168.0 – 199.181.168.255 | 256 | US |
allocated | 1994-03-29 | 3ba4d3b89205… |
| 199.196.0.0 – 199.196.3.255 | 1,024 | US |
allocated | 1994-03-29 | 491d280d8e42… |
| 199.196.4.0 – 199.196.4.255 | 256 | US |
allocated | 1994-03-29 | 491d280d8e42… |
| 199.223.16.0 – 199.223.31.255 | 4,096 | US |
allocated | 1994-03-29 | 5591ac146ea2… |
| 200.10.152.0 – 200.10.152.255 | 256 |  JM |
allocated | 1994-03-29 | 40a430bb6a5b… |
| 198.162.254.0 – 198.162.254.255 | 256 | CA |
allocated | 1994-03-28 | c673a25f6b6f… |
| 198.200.153.0 – 198.200.153.255 | 256 | US |
allocated | 1994-03-28 | 26dfe8568799… |
| 199.80.64.0 – 199.80.127.255 | 16,384 | US |
allocated | 1994-03-28 | 51932ced3e37… |
| 199.88.64.0 – 199.88.127.255 | 16,384 | US |
allocated | 1994-03-28 | b827153e799f… |
| 199.165.187.0 – 199.165.187.255 | 256 | US |
allocated | 1994-03-28 | 02ac71aa2ccb… |
| 199.165.189.0 – 199.165.189.255 | 256 | US |
allocated | 1994-03-28 | 33f7e017fc85… |
| 199.165.190.0 – 199.165.190.255 | 256 | US |
allocated | 1994-03-28 | 6da1e6b0952d… |
| 199.165.191.0 – 199.165.191.255 | 256 | US |
allocated | 1994-03-28 | 6b4e5a5ccb2d… |
| 199.165.192.0 – 199.165.192.255 | 256 | US |
allocated | 1994-03-28 | 651b0713d272… |
| 199.165.194.0 – 199.165.194.255 | 256 | US |
allocated | 1994-03-28 | ad857d85524b… |
| 199.165.195.0 – 199.165.195.255 | 256 | US |
allocated | 1994-03-28 | a173e43ca8ce… |
| 199.165.196.0 – 199.165.196.255 | 256 | US |
allocated | 1994-03-28 | a173e43ca8ce… |
| 199.165.206.0 – 199.165.206.255 | 256 | US |
allocated | 1994-03-28 | ace55d4dc090… |
| 199.181.129.0 – 199.181.129.255 | 256 | US |
allocated | 1994-03-28 | 6a2bec1ff1c3… |
| 199.181.130.0 – 199.181.131.255 | 512 | US |
allocated | 1994-03-28 | 6a2bec1ff1c3… |
| 199.181.132.0 – 199.181.135.255 | 1,024 | US |
allocated | 1994-03-28 | 6a2bec1ff1c3… |