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
1,645,629,696
📦
IPv4 networks
76,708
delegated blocks
🧭
IPv6 networks
11,353
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 198.133.155.0 – 198.133.155.255 | 256 |  US |
allocated | 1993-04-20 | 423f95d9b4d3… |
| 198.133.156.0 – 198.133.156.255 | 256 | US |
allocated | 1993-04-20 | 6e7fadb2942b… |
| 198.133.158.0 – 198.133.159.255 | 512 | US |
allocated | 1993-04-20 | 9f14454567a6… |
| 198.140.8.0 – 198.140.15.255 | 2,048 | US |
allocated | 1993-04-20 | 8f7d14ca4d04… |
| 165.72.0.0 – 165.72.255.255 | 65,536 |  CZ |
allocated | 1993-04-19 | 44fffeebf295… |
| 192.148.172.0 – 192.148.172.255 | 256 | US |
allocated | 1993-04-19 | 3342d735673b… |
| 198.73.119.0 – 198.73.119.255 | 256 |  CA |
allocated | 1993-04-19 | dfdd4ba51806… |
| 198.73.120.0 – 198.73.120.255 | 256 | CA |
allocated | 1993-04-19 | dfdd4ba51806… |
| 198.73.121.0 – 198.73.121.255 | 256 | CA |
allocated | 1993-04-19 | dfdd4ba51806… |
| 198.99.189.0 – 198.99.189.255 | 256 | US |
allocated | 1993-04-19 | 339bcb1bcd53… |
| 198.133.141.0 – 198.133.141.255 | 256 | US |
allocated | 1993-04-19 | 2db46c628cfb… |
| 198.133.142.0 – 198.133.142.255 | 256 | US |
allocated | 1993-04-19 | 0d90a46b4314… |
| 198.133.144.0 – 198.133.145.255 | 512 | US |
allocated | 1993-04-19 | f3f57f638c1a… |
| 198.133.146.0 – 198.133.146.255 | 256 | US |
allocated | 1993-04-19 | 5ebea2d4c325… |
| 198.141.0.0 – 198.141.255.255 | 65,536 | CZ |
allocated | 1993-04-19 | 44fffeebf295… |
| 164.179.0.0 – 164.179.255.255 | 65,536 | US |
allocated | 1993-04-16 | 9a65a87e3abf… |
| 167.19.0.0 – 167.19.255.255 | 65,536 | US |
allocated | 1993-04-16 | 014fe764bde7… |
| 167.20.0.0 – 167.20.255.255 | 65,536 | US |
allocated | 1993-04-16 | c4fef8e680d3… |
| 198.99.165.0 – 198.99.165.255 | 256 | US |
allocated | 1993-04-16 | 6d8698ea7757… |
| 198.99.166.0 – 198.99.166.255 | 256 | US |
allocated | 1993-04-16 | dd6c046d5b19… |
| 198.99.167.0 – 198.99.167.255 | 256 | US |
allocated | 1993-04-16 | dd6c046d5b19… |
| 198.99.168.0 – 198.99.168.255 | 256 | US |
allocated | 1993-04-16 | 65361d4307a3… |
| 198.99.169.0 – 198.99.169.255 | 256 | US |
allocated | 1993-04-16 | b37ba94b0893… |
| 198.99.170.0 – 198.99.170.255 | 256 | CA |
allocated | 1993-04-16 | 79aacdd1a54e… |
| 198.99.171.0 – 198.99.171.255 | 256 | US |
allocated | 1993-04-16 | 934f274aaf13… |
| 198.99.172.0 – 198.99.172.255 | 256 | US |
allocated | 1993-04-16 | a6916982a3a8… |
| 198.99.174.0 – 198.99.174.255 | 256 | US |
allocated | 1993-04-16 | a6916982a3a8… |
| 198.99.175.0 – 198.99.175.255 | 256 | US |
allocated | 1993-04-16 | 2a6df2c21eb9… |
| 198.99.178.0 – 198.99.178.255 | 256 | US |
allocated | 1993-04-16 | 3c17a492227f… |
| 198.99.180.0 – 198.99.180.255 | 256 | US |
allocated | 1993-04-16 | e568e2ed54b1… |
| 198.99.181.0 – 198.99.181.255 | 256 | US |
allocated | 1993-04-16 | 50491b402729… |
| 198.99.182.0 – 198.99.182.255 | 256 | US |
allocated | 1993-04-16 | 918beba44c99… |
| 198.99.183.0 – 198.99.183.255 | 256 | US |
allocated | 1993-04-16 | 977a3927fa2a… |
| 198.99.185.0 – 198.99.185.255 | 256 | US |
allocated | 1993-04-16 | 7bd237df4d89… |
| 198.99.186.0 – 198.99.186.255 | 256 | US |
allocated | 1993-04-16 | f1a049dc3bff… |
| 198.99.187.0 – 198.99.187.255 | 256 | US |
allocated | 1993-04-16 | 6861805317e1… |
| 198.99.188.0 – 198.99.188.255 | 256 | US |
allocated | 1993-04-16 | 9f5541bff81c… |
| 198.102.32.0 – 198.102.63.255 | 8,192 | US |
allocated | 1993-04-16 | 4d7c0aebb6ba… |
| 198.133.132.0 – 198.133.135.255 | 1,024 | US |
allocated | 1993-04-16 | 3e7119ed6b26… |
| 198.133.136.0 – 198.133.136.255 | 256 | US |
allocated | 1993-04-16 | 3e7119ed6b26… |
| 198.133.137.0 – 198.133.137.255 | 256 | US |
allocated | 1993-04-16 | c523e684755a… |
| 198.133.138.0 – 198.133.138.255 | 256 | US |
allocated | 1993-04-16 | d8d30ddb428a… |
| 198.133.139.0 – 198.133.139.255 | 256 | US |
allocated | 1993-04-16 | d111cf04003b… |
| 198.140.0.0 – 198.140.3.255 | 1,024 | US |
allocated | 1993-04-16 | aca0d080228b… |
| 198.140.4.0 – 198.140.5.255 | 512 | US |
allocated | 1993-04-16 | aca0d080228b… |
| 198.140.16.0 – 198.140.23.255 | 2,048 | US |
allocated | 1993-04-16 | 95c71f505b90… |
| 198.140.24.0 – 198.140.25.255 | 512 | US |
allocated | 1993-04-16 | 95c71f505b90… |
| 198.140.32.0 – 198.140.47.255 | 4,096 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.48.0 – 198.140.51.255 | 1,024 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.52.0 – 198.140.53.255 | 512 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.54.0 – 198.140.54.255 | 256 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.55.0 – 198.140.55.255 | 256 | US |
allocated | 1993-04-16 | 7a43b8579dc2… |
| 198.140.56.0 – 198.140.56.255 | 256 | US |
allocated | 1993-04-16 | 7a43b8579dc2… |
| 198.140.57.0 – 198.140.57.255 | 256 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.58.0 – 198.140.59.255 | 512 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 198.140.60.0 – 198.140.63.255 | 1,024 | US |
allocated | 1993-04-16 | c26d46f861e6… |
| 165.71.0.0 – 165.71.255.255 | 65,536 | US |
allocated | 1993-04-15 | 86099c8658e7… |
| 167.15.0.0 – 167.15.255.255 | 65,536 | US |
allocated | 1993-04-15 | 166edc4f1509… |
| 167.16.0.0 – 167.16.255.255 | 65,536 | US |
allocated | 1993-04-15 | be87a6f57401… |
| 167.18.0.0 – 167.18.255.255 | 65,536 | US |
allocated | 1993-04-15 | 71ce41009116… |
| 192.135.120.0 – 192.135.121.255 | 512 | US |
allocated | 1993-04-15 | ea9c23c6d936… |
| 192.160.104.0 – 192.160.104.255 | 256 | US |
allocated | 1993-04-15 | 08c23623ace5… |
| 192.160.105.0 – 192.160.105.255 | 256 | US |
allocated | 1993-04-15 | 08c23623ace5… |
| 192.160.107.0 – 192.160.107.255 | 256 | US |
allocated | 1993-04-15 | 08c23623ace5… |
| 198.99.164.0 – 198.99.164.255 | 256 | US |
allocated | 1993-04-15 | 99f7740953bb… |
| 198.133.130.0 – 198.133.130.255 | 256 | US |
allocated | 1993-04-15 | e6f80074c11b… |
| 198.133.131.0 – 198.133.131.255 | 256 | US |
allocated | 1993-04-15 | 428a41c08547… |
| 198.137.0.0 – 198.137.7.255 | 2,048 | US |
allocated | 1993-04-15 | 9d44ac0c0429… |
| 167.11.0.0 – 167.11.255.255 | 65,536 | CA |
allocated | 1993-04-14 | c8bae1572cdf… |
| 167.12.0.0 – 167.12.255.255 | 65,536 | US |
allocated | 1993-04-14 | dd354c463c8d… |
| 167.13.0.0 – 167.13.255.255 | 65,536 | US |
allocated | 1993-04-14 | 6a2bec1ff1c3… |
| 167.14.0.0 – 167.14.255.255 | 65,536 | US |
allocated | 1993-04-14 | 2c1250a09af7… |
| 198.47.64.0 – 198.47.79.255 | 4,096 | US |
allocated | 1993-04-14 | ef4f8a1f3f04… |
| 198.47.80.0 – 198.47.87.255 | 2,048 | US |
allocated | 1993-04-14 | ef4f8a1f3f04… |
| 198.47.88.0 – 198.47.88.255 | 256 | US |
allocated | 1993-04-14 | ef4f8a1f3f04… |
| 198.73.109.0 – 198.73.109.255 | 256 | CA |
allocated | 1993-04-14 | 2774aabb3105… |
| 198.73.110.0 – 198.73.111.255 | 512 | CA |
allocated | 1993-04-14 | 2774aabb3105… |
| 198.73.112.0 – 198.73.115.255 | 1,024 | CA |
allocated | 1993-04-14 | 2774aabb3105… |
| 198.73.116.0 – 198.73.117.255 | 512 | CA |
allocated | 1993-04-14 | 2774aabb3105… |
| 198.73.118.0 – 198.73.118.255 | 256 | CA |
allocated | 1993-04-14 | 2774aabb3105… |
| 198.99.150.0 – 198.99.150.255 | 256 | US |
allocated | 1993-04-14 | 3a9249c1c6f6… |
| 198.99.151.0 – 198.99.151.255 | 256 | US |
allocated | 1993-04-14 | 8ba3c8c3e3b4… |
| 198.99.152.0 – 198.99.152.255 | 256 | US |
allocated | 1993-04-14 | fdb6c269419a… |
| 198.99.153.0 – 198.99.153.255 | 256 | US |
allocated | 1993-04-14 | f062d41243ee… |
| 198.99.154.0 – 198.99.154.255 | 256 | US |
allocated | 1993-04-14 | 57f2a10f89b9… |
| 198.99.155.0 – 198.99.155.255 | 256 | US |
allocated | 1993-04-14 | 9d511015ff44… |
| 198.99.160.0 – 198.99.160.255 | 256 | US |
allocated | 1993-04-14 | 22e03eef6de3… |
| 198.99.161.0 – 198.99.161.255 | 256 | US |
allocated | 1993-04-14 | 22e03eef6de3… |
| 198.99.162.0 – 198.99.162.255 | 256 | US |
allocated | 1993-04-14 | fa552455a0e7… |
| 198.99.163.0 – 198.99.163.255 | 256 | US |
allocated | 1993-04-14 | 01d90d39531d… |
| 198.105.4.0 – 198.105.5.255 | 512 | US |
allocated | 1993-04-14 | b5da7caf3210… |
| 198.105.6.0 – 198.105.6.255 | 256 | US |
allocated | 1993-04-14 | b5da7caf3210… |
| 198.133.126.0 – 198.133.126.255 | 256 | US |
allocated | 1993-04-14 | ad03ecb51e74… |
| 198.133.127.0 – 198.133.127.255 | 256 | US |
allocated | 1993-04-14 | 9f0d256aa3e4… |
| 198.138.0.0 – 198.139.255.255 | 131,072 | US |
allocated | 1993-04-14 | 9f14454567a6… |
| 198.99.147.0 – 198.99.147.255 | 256 | US |
allocated | 1993-04-13 | 2afd8c22a45b… |
| 198.133.122.0 – 198.133.122.255 | 256 | US |
allocated | 1993-04-13 | d7efeea93b21… |
| 198.133.123.0 – 198.133.123.255 | 256 | US |
allocated | 1993-04-13 | 7ce1873639e8… |
| 198.133.124.0 – 198.133.124.255 | 256 | US |
allocated | 1993-04-13 | 9ce3d1bd8890… |
| 165.66.0.0 – 165.66.255.255 | 65,536 | US |
allocated | 1993-04-12 | fdf37afef919… |