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
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.13.248.0 – 204.13.251.255 | 1,024 |  US |
allocated | 2005-05-10 | ace55d4dc090… |
| 216.145.112.0 – 216.145.127.255 | 4,096 | US |
allocated | 2005-05-10 | 4b179ab78b2a… |
| 216.158.176.0 – 216.158.191.255 | 4,096 | US |
allocated | 2005-05-10 | a9fda6072c73… |
| 69.51.32.0 – 69.51.63.255 | 8,192 | US |
allocated | 2005-05-09 | be87a6f57401… |
| 204.13.216.0 – 204.13.223.255 | 2,048 | US |
allocated | 2005-05-09 | 9a607f48904c… |
| 204.13.224.0 – 204.13.227.255 | 1,024 | US |
allocated | 2005-05-09 | 2da7982e7e6b… |
| 69.176.128.0 – 69.176.159.255 | 8,192 | US |
allocated | 2005-05-06 | 9416ee29ac9a… |
| 71.208.0.0 – 71.223.255.255 | 1,048,576 | US |
allocated | 2005-05-06 | cdb7d42057bd… |
| 72.35.32.0 – 72.35.63.255 | 8,192 | US |
allocated | 2005-05-05 | fe1bf20bce56… |
| 204.13.208.0 – 204.13.211.255 | 1,024 | US |
allocated | 2005-05-05 | 5e4c24c39dc4… |
| 216.158.112.0 – 216.158.127.255 | 4,096 | US |
allocated | 2005-05-05 | 42cf0bee803d… |
| 64.148.0.0 – 64.149.255.255 | 131,072 | US |
allocated | 2005-05-04 | 81e05477cc28… |
| 204.13.200.0 – 204.13.203.255 | 1,024 | US |
allocated | 2005-05-04 | 32354656dd04… |
| 204.13.204.0 – 204.13.207.255 | 1,024 | US |
allocated | 2005-05-04 | 0491a3aba3b5… |
| 216.71.240.0 – 216.71.255.255 | 4,096 | US |
allocated | 2005-05-04 | 3ffb17420e4c… |
| 24.143.64.0 – 24.143.127.255 | 16,384 | US |
allocated | 2005-05-03 | 1a922969fbba… |
| 64.13.0.0 – 64.13.127.255 | 32,768 | US |
allocated | 2005-05-03 | c4fef8e680d3… |
| 69.147.128.0 – 69.147.159.255 | 8,192 | US |
allocated | 2005-05-03 | cdb7d42057bd… |
| 72.48.0.0 – 72.48.255.255 | 65,536 | US |
allocated | 2005-05-03 | 3f8994903990… |
| 216.250.144.0 – 216.250.159.255 | 4,096 | US |
allocated | 2005-05-03 | 15085bb845e3… |
| 72.35.64.0 – 72.35.95.255 | 8,192 | US |
allocated | 2005-05-02 | 68ddf6a7f69b… |
| 72.35.96.0 – 72.35.127.255 | 8,192 | US |
allocated | 2005-05-02 | 2540d100d8c8… |
| 209.11.240.0 – 209.11.255.255 | 4,096 | US |
allocated | 2005-05-02 | 46b40a4b0a26… |
| 24.235.32.0 – 24.235.63.255 | 8,192 |  CA |
allocated | 2005-04-29 | 0ac275acc4cd… |
| 64.13.128.0 – 64.13.191.255 | 16,384 | US |
allocated | 2005-04-29 | 281d74025834… |
| 71.56.0.0 – 71.63.255.255 | 524,288 | US |
allocated | 2005-04-29 | 3a7b40ab58f6… |
| 72.35.128.0 – 72.35.159.255 | 8,192 | US |
allocated | 2005-04-29 | b473330fef07… |
| 72.35.160.0 – 72.35.191.255 | 8,192 | US |
allocated | 2005-04-29 | c84bbab1678c… |
| 72.35.192.0 – 72.35.207.255 | 4,096 | US |
allocated | 2005-04-29 | adc8b004b305… |
| 204.13.184.0 – 204.13.191.255 | 2,048 | US |
allocated | 2005-04-29 | 0418d3fd070a… |
| 69.176.64.0 – 69.176.79.255 | 4,096 | US |
allocated | 2005-04-28 | c1cc92c83435… |
| 69.46.160.0 – 69.46.191.255 | 8,192 | CA |
allocated | 2005-04-27 | e23590be198b… |
| 72.236.0.0 – 72.237.255.255 | 131,072 | US |
allocated | 2005-04-27 | e5e3b9c13678… |
| 209.225.112.0 – 209.225.127.255 | 4,096 | US |
allocated | 2005-04-27 | fe84645f577f… |
| 216.14.208.0 – 216.14.223.255 | 4,096 | US |
allocated | 2005-04-27 | 0af79a8f36ec… |
| 71.48.0.0 – 71.55.255.255 | 524,288 | US |
allocated | 2005-04-26 | cdb7d42057bd… |
| 204.13.176.0 – 204.13.179.255 | 1,024 | US |
allocated | 2005-04-26 | 8e3f6ff8c481… |
| 207.254.128.0 – 207.254.143.255 | 4,096 |  JM |
allocated | 2005-04-26 | 5670b17dd30b… |
| 64.20.224.0 – 64.20.255.255 | 8,192 | US |
allocated | 2005-04-25 | 6666934f7458… |
| 72.47.0.0 – 72.47.127.255 | 32,768 | US |
allocated | 2005-04-25 | e5d261f87d58… |
| 72.47.128.0 – 72.47.191.255 | 16,384 | US |
allocated | 2005-04-25 | e5d261f87d58… |
| 207.210.192.0 – 207.210.255.255 | 16,384 | US |
allocated | 2005-04-25 | 6e048190eb9a… |
| 216.154.208.0 – 216.154.223.255 | 4,096 | US |
allocated | 2005-04-25 | 8044b902b372… |
| 72.238.0.0 – 72.239.255.255 | 131,072 | US |
allocated | 2005-04-21 | de94a62ce8f9… |
| 72.240.0.0 – 72.241.255.255 | 131,072 | US |
allocated | 2005-04-21 | acc0593b65c5… |
| 204.13.92.0 – 204.13.95.255 | 1,024 | US |
allocated | 2005-04-21 | 5b17c83f35c1… |
| 204.13.164.0 – 204.13.167.255 | 1,024 | US |
allocated | 2005-04-21 | 860fa092fe05… |
| 207.210.128.0 – 207.210.159.255 | 8,192 | US |
allocated | 2005-04-21 | ee44a34fcea1… |
| 64.20.160.0 – 64.20.191.255 | 8,192 | US |
allocated | 2005-04-20 | 34d342be0361… |
| 64.20.192.0 – 64.20.207.255 | 4,096 | US |
allocated | 2005-04-20 | 629c0ae781c1… |
| 204.13.152.0 – 204.13.155.255 | 1,024 | US |
allocated | 2005-04-20 | 9e20a8842362… |
| 206.81.64.0 – 206.81.71.255 | 2,048 | US |
allocated | 2005-04-20 | 217a98d6609d… |
| 206.81.72.0 – 206.81.75.255 | 1,024 | US |
allocated | 2005-04-20 | 217a98d6609d… |
| 206.81.76.0 – 206.81.79.255 | 1,024 | US |
allocated | 2005-04-20 | 7c562b16d642… |
| 73.0.0.0 – 73.255.255.255 | 16,777,216 | US |
allocated | 2005-04-19 | 3a7b40ab58f6… |
| 204.13.136.0 – 204.13.139.255 | 1,024 | US |
allocated | 2005-04-19 | c90dacbc8c6f… |
| 204.13.140.0 – 204.13.143.255 | 1,024 | US |
allocated | 2005-04-19 | 278d3043dbec… |
| 204.13.144.0 – 204.13.147.255 | 1,024 | US |
allocated | 2005-04-19 | fe52b4cd4d28… |
| 205.134.224.0 – 205.134.231.255 | 2,048 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.232.0 – 205.134.233.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.235.0 – 205.134.235.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.236.0 – 205.134.237.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.240.0 – 205.134.240.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.242.0 – 205.134.243.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.248.0 – 205.134.248.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 72.45.0.0 – 72.45.63.255 | 16,384 | US |
allocated | 2005-04-18 | 98e6c615fd07… |
| 204.13.120.0 – 204.13.127.255 | 2,048 | US |
allocated | 2005-04-18 | b004b3ecde24… |
| 204.13.128.0 – 204.13.135.255 | 2,048 | US |
allocated | 2005-04-18 | d538268083a4… |
| 209.112.240.0 – 209.112.255.255 | 4,096 | US |
allocated | 2005-04-18 | 34167ff8e75e… |
| 72.44.0.0 – 72.44.15.255 | 4,096 | US |
allocated | 2005-04-17 | 6c065d5b54b8… |
| 64.20.128.0 – 64.20.129.255 | 512 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.130.0 – 64.20.130.255 | 256 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.131.0 – 64.20.131.255 | 256 | US |
allocated | 2005-04-15 | dfe5691a9024… |
| 64.20.132.0 – 64.20.135.255 | 1,024 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.136.0 – 64.20.143.255 | 2,048 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.144.0 – 64.20.159.255 | 4,096 | US |
allocated | 2005-04-15 | a234b016a417… |
| 66.29.0.0 – 66.29.127.255 | 32,768 | US |
allocated | 2005-04-15 | 0e660f095dee… |
| 70.128.0.0 – 70.129.255.255 | 131,072 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.130.0.0 – 70.130.127.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.130.128.0 – 70.130.191.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.131.0.0 – 70.131.127.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.131.128.0 – 70.131.191.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.132.64.0 – 70.132.127.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.132.128.0 – 70.132.255.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.133.0.0 – 70.133.255.255 | 65,536 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.134.0.0 – 70.135.255.255 | 131,072 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.136.0.0 – 70.143.255.255 | 524,288 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 71.224.0.0 – 71.239.255.255 | 1,048,576 | US |
allocated | 2005-04-15 | 3a7b40ab58f6… |
| 204.13.112.0 – 204.13.119.255 | 2,048 | US |
allocated | 2005-04-15 | 289af0039cc4… |
| 207.251.240.0 – 207.251.255.255 | 4,096 | US |
allocated | 2005-04-15 | 4774876be7de… |
| 209.203.176.0 – 209.203.191.255 | 4,096 | US |
allocated | 2005-04-15 | efe5992ec680… |
| 64.20.96.0 – 64.20.127.255 | 8,192 | US |
allocated | 2005-04-14 | 34d342be0361… |
| 204.13.96.0 – 204.13.103.255 | 2,048 | US |
allocated | 2005-04-14 | a93773ad321b… |
| 68.179.0.0 – 68.179.127.255 | 32,768 | CA |
allocated | 2005-04-13 | fbf5a5883b54… |
| 206.223.143.0 – 206.223.143.255 | 256 | US |
allocated | 2005-04-13 | 02c3b5bf801a… |
| 209.34.112.0 – 209.34.127.255 | 4,096 | US |
allocated | 2005-04-13 | bdd3195fd124… |
| 68.178.128.0 – 68.178.255.255 | 32,768 | US |
allocated | 2005-04-12 | fec517dc310c… |
| 192.169.0.0 – 192.169.1.255 | 512 | US |
allocated | 2005-04-12 | b1f854d2c961… |
| 207.210.66.0 – 207.210.67.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.68.0 – 207.210.69.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |