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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 167.17.192.0 – 167.17.255.255 | 16,384 |  US |
allocated | 2025-04-22 | 91b486cdcd22… |
| 208.74.67.0 – 208.74.67.255 | 256 | US |
allocated | 2025-04-22 | 27e613c8ad71… |
| 23.138.12.0 – 23.138.12.255 | 256 | US |
allocated | 2025-04-21 | 036b59122202… |
| 23.138.20.0 – 23.138.20.255 | 256 |  CA |
allocated | 2025-04-21 | 836ca6fc4cf4… |
| 23.138.28.0 – 23.138.28.255 | 256 | US |
allocated | 2025-04-21 | c7b58b43769d… |
| 23.138.36.0 – 23.138.36.255 | 256 | US |
allocated | 2025-04-21 | b313e9ae0c90… |
| 64.65.36.0 – 64.65.39.255 | 1,024 | US |
allocated | 2025-04-21 | e418b81cd127… |
| 74.114.140.0 – 74.114.143.255 | 1,024 | CA |
allocated | 2025-04-21 | c86ee0d9d7ed… |
| 104.152.88.0 – 104.152.91.255 | 1,024 | US |
allocated | 2025-04-21 | b73503dcce83… |
| 161.13.32.0 – 161.13.63.255 | 8,192 | US |
allocated | 2025-04-21 | 2df6413af3a6… |
| 23.137.236.0 – 23.137.236.255 | 256 | US |
allocated | 2025-04-18 | 5c811aaf62f2… |
| 23.137.244.0 – 23.137.244.255 | 256 | US |
allocated | 2025-04-18 | fae4e89c02f8… |
| 23.138.4.0 – 23.138.4.255 | 256 | US |
allocated | 2025-04-18 | f1393dadfccb… |
| 56.1.0.0 – 56.1.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.4.0.0 – 56.5.255.255 | 131,072 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.8.0.0 – 56.8.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.12.0.0 – 56.12.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.15.0.0 – 56.15.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.18.0.0 – 56.18.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.20.0.0 – 56.23.255.255 | 262,144 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.24.0.0 – 56.25.255.255 | 131,072 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.26.0.0 – 56.26.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.28.0.0 – 56.29.255.255 | 131,072 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.31.0.0 – 56.31.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.41.0.0 – 56.41.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.47.0.0 – 56.47.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.58.0.0 – 56.58.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.60.0.0 – 56.60.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.62.0.0 – 56.62.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.74.0.0 – 56.74.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.84.0.0 – 56.85.255.255 | 131,072 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.102.0.0 – 56.102.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.106.0.0 – 56.106.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.118.0.0 – 56.118.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.121.0.0 – 56.121.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.153.0.0 – 56.153.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.154.0.0 – 56.154.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.160.0.0 – 56.160.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.171.0.0 – 56.171.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.172.0.0 – 56.172.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 56.239.0.0 – 56.239.255.255 | 65,536 | US |
allocated | 2025-04-18 | 20c786e8edd8… |
| 64.38.212.0 – 64.38.215.255 | 1,024 | US |
allocated | 2025-04-18 | 68b460a68aed… |
| 64.38.240.0 – 64.38.243.255 | 1,024 | US |
allocated | 2025-04-18 | 68b460a68aed… |
| 69.57.168.0 – 69.57.171.255 | 1,024 | US |
allocated | 2025-04-18 | 3a08bc5bdd5f… |
| 96.47.172.0 – 96.47.175.255 | 1,024 | US |
allocated | 2025-04-18 | 805a59c62107… |
| 23.137.212.0 – 23.137.212.255 | 256 | US |
allocated | 2025-04-17 | ec46695116cb… |
| 23.137.220.0 – 23.137.220.255 | 256 | US |
allocated | 2025-04-17 | b1ad2b92cf59… |
| 23.137.228.0 – 23.137.228.255 | 256 | US |
allocated | 2025-04-17 | bb532089814a… |
| 144.89.80.0 – 144.89.95.255 | 4,096 | US |
allocated | 2025-04-17 | 6cf8d0de3323… |
| 192.75.213.0 – 192.75.213.255 | 256 | US |
allocated | 2025-04-17 | 17aecfeb726b… |
| 198.212.32.0 – 198.212.35.255 | 1,024 | US |
allocated | 2025-04-17 | 1afbcb6292dc… |
| 23.137.180.0 – 23.137.180.255 | 256 | US |
allocated | 2025-04-16 | 645df45d3a24… |
| 23.137.188.0 – 23.137.188.255 | 256 |  MX |
allocated | 2025-04-16 | 1470ce8aba42… |
| 23.137.196.0 – 23.137.196.255 | 256 | US |
allocated | 2025-04-16 | 289f3df2ac71… |
| 23.137.204.0 – 23.137.204.255 | 256 | US |
allocated | 2025-04-16 | e9876b89902c… |
| 46.33.20.0 – 46.33.20.255 | 256 | CA |
allocated | 2025-04-16 | 07ad5cd91896… |
| 192.112.33.0 – 192.112.33.255 | 256 | US |
allocated | 2025-04-16 | a8e6e71e3005… |
| 208.84.96.0 – 208.84.99.255 | 1,024 | US |
allocated | 2025-04-16 | 53f6e011fc67… |
| 23.137.172.0 – 23.137.172.255 | 256 | US |
allocated | 2025-04-15 | 4866f5ebe725… |
| 104.153.88.0 – 104.153.91.255 | 1,024 | US |
allocated | 2025-04-15 | 19a4440651f2… |
| 131.229.128.0 – 131.229.255.255 | 32,768 | US |
allocated | 2025-04-15 | c94fc17aecf9… |
| 199.34.96.0 – 199.34.96.255 | 256 | US |
allocated | 2025-04-15 | 04bddbd04386… |
| 23.137.140.0 – 23.137.140.255 | 256 | US |
allocated | 2025-04-14 | 63d79e1c3273… |
| 23.137.148.0 – 23.137.148.255 | 256 | US |
allocated | 2025-04-14 | ffc1a64d5ebb… |
| 23.137.156.0 – 23.137.156.255 | 256 | US |
allocated | 2025-04-14 | e67592787739… |
| 23.137.164.0 – 23.137.164.255 | 256 | US |
allocated | 2025-04-14 | 3021d3afd1ad… |
| 45.139.132.0 – 45.139.135.255 | 1,024 | US |
allocated | 2025-04-14 | a6857cd94af1… |
| 173.214.212.0 – 173.214.215.255 | 1,024 | CA |
allocated | 2025-04-14 | c2d45b2f9d85… |
| 204.69.207.0 – 204.69.207.255 | 256 | US |
allocated | 2025-04-14 | a38872974406… |
| 207.22.32.0 – 207.22.39.255 | 2,048 | CA |
allocated | 2025-04-14 | 5eb0e946adaf… |
| 207.22.40.0 – 207.22.47.255 | 2,048 | US |
allocated | 2025-04-14 | 37808cbd7c0a… |
| 216.21.8.0 – 216.21.11.255 | 1,024 | US |
allocated | 2025-04-14 | 4f4a464f205c… |
| 23.137.116.0 – 23.137.116.255 | 256 |  JP |
allocated | 2025-04-11 | 487a4d04f3a8… |
| 23.137.132.0 – 23.137.132.255 | 256 | US |
allocated | 2025-04-11 | 89a48307e326… |
| 198.73.68.0 – 198.73.71.255 | 1,024 | US |
allocated | 2025-04-11 | 3f0f9cea8f79… |
| 23.131.186.0 – 23.131.186.255 | 256 | US |
allocated | 2025-04-10 | 7bc1ff908a7a… |
| 23.137.68.0 – 23.137.68.255 | 256 | JP |
allocated | 2025-04-10 | 2526630b3ebf… |
| 23.137.76.0 – 23.137.76.255 | 256 | US |
allocated | 2025-04-10 | a6b02324592f… |
| 23.137.84.0 – 23.137.84.255 | 256 | US |
allocated | 2025-04-10 | 6b9e5f7bdfa9… |
| 23.137.92.0 – 23.137.92.255 | 256 | US |
allocated | 2025-04-10 | 8c76c77a07ac… |
| 23.137.100.0 – 23.137.100.255 | 256 |  PA |
allocated | 2025-04-10 | 4b523d8ff48f… |
| 23.137.108.0 – 23.137.108.255 | 256 | US |
allocated | 2025-04-10 | dd4785c9c147… |
| 167.234.64.0 – 167.234.79.255 | 4,096 | US |
allocated | 2025-04-10 | 26e69ec1cebc… |
| 208.83.111.0 – 208.83.111.255 | 256 | US |
allocated | 2025-04-10 | 7ac025ea24e5… |
| 23.137.52.0 – 23.137.52.255 | 256 | US |
allocated | 2025-04-09 | ec0970844cee… |
| 23.137.60.0 – 23.137.60.255 | 256 | US |
allocated | 2025-04-09 | 184e1b07c5de… |
| 104.37.8.0 – 104.37.15.255 | 2,048 | US |
allocated | 2025-04-09 | 94c56178e51d… |
| 149.97.83.0 – 149.97.83.255 | 256 | US |
allocated | 2025-04-09 | 9328242b88f8… |
| 192.104.9.0 – 192.104.9.255 | 256 | US |
allocated | 2025-04-09 | c3109f84d514… |
| 199.102.120.0 – 199.102.127.255 | 2,048 | US |
allocated | 2025-04-09 | 94c56178e51d… |
| 208.84.100.0 – 208.84.103.255 | 1,024 | US |
allocated | 2025-04-09 | b5e219329882… |
| 23.137.36.0 – 23.137.36.255 | 256 | US |
allocated | 2025-04-08 | 28711627fd16… |
| 23.137.44.0 – 23.137.44.255 | 256 | US |
allocated | 2025-04-08 | 4d0a2de63964… |
| 66.132.188.0 – 66.132.191.255 | 1,024 | US |
allocated | 2025-04-08 | 1a75fc37202d… |
| 192.5.58.0 – 192.5.58.255 | 256 | US |
allocated | 2025-04-08 | 6807757b4af2… |
| 192.94.119.0 – 192.94.119.255 | 256 | US |
allocated | 2025-04-08 | e830231fa96f… |
| 192.188.135.0 – 192.188.135.255 | 256 | US |
allocated | 2025-04-08 | b427dc8b63f7… |
| 192.188.137.0 – 192.188.137.255 | 256 | US |
allocated | 2025-04-08 | b427dc8b63f7… |
| 199.127.130.0 – 199.127.131.255 | 512 | US |
allocated | 2025-04-08 | 3919d206c82d… |
| 204.16.128.0 – 204.16.135.255 | 2,048 | US |
allocated | 2025-04-08 | 09e01e60bb00… |