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 |
|---|---|---|---|---|---|
| 192.6.208.0 – 192.6.208.255 | 256 |  US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.209.0 – 192.6.209.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.210.0 – 192.6.210.255 | 256 | US |
allocated | 1983-08-26 | 501eb4ea8218… |
| 192.6.211.0 – 192.6.211.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.212.0 – 192.6.212.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.213.0 – 192.6.213.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.214.0 – 192.6.214.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.215.0 – 192.6.215.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.216.0 – 192.6.217.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.218.0 – 192.6.219.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.220.0 – 192.6.221.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.222.0 – 192.6.222.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.223.0 – 192.6.223.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.224.0 – 192.6.224.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.225.0 – 192.6.225.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.226.0 – 192.6.227.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.228.0 – 192.6.229.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.230.0 – 192.6.231.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.232.0 – 192.6.233.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.234.0 – 192.6.234.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.235.0 – 192.6.235.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.236.0 – 192.6.236.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.237.0 – 192.6.237.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.238.0 – 192.6.239.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.240.0 – 192.6.240.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.241.0 – 192.6.241.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.242.0 – 192.6.243.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.244.0 – 192.6.245.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.246.0 – 192.6.247.255 | 512 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.248.0 – 192.6.248.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.249.0 – 192.6.249.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.250.0 – 192.6.251.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 128.38.0.0 – 128.38.255.255 | 65,536 | US |
allocated | 1983-08-25 | 45fe880b68a8… |
| 12.0.0.0 – 12.255.255.255 | 16,777,216 | US |
allocated | 1983-08-23 | 81e05477cc28… |
| 128.37.0.0 – 128.37.255.255 | 65,536 | US |
allocated | 1983-08-18 | 45fe880b68a8… |
| 128.36.0.0 – 128.36.255.255 | 65,536 | US |
allocated | 1983-08-16 | b7f4dbefd517… |
| 192.5.38.0 – 192.5.38.255 | 256 | US |
allocated | 1983-07-22 | 2784ce9dbeb2… |
| 128.35.0.0 – 128.35.255.255 | 65,536 | US |
allocated | 1983-07-06 | 4dd73aa18db6… |
| 192.5.20.0 – 192.5.20.255 | 256 | US |
allocated | 1983-07-06 | 61457436058b… |
| 192.5.32.0 – 192.5.32.255 | 256 | US |
allocated | 1983-07-03 | 61457436058b… |
| 192.5.33.0 – 192.5.33.255 | 256 | US |
allocated | 1983-07-03 | 61457436058b… |
| 192.5.34.0 – 192.5.34.255 | 256 | US |
allocated | 1983-07-03 | 61457436058b… |
| 128.34.0.0 – 128.34.255.255 | 65,536 | US |
allocated | 1983-06-29 | 45fe880b68a8… |
| 128.33.0.0 – 128.33.255.255 | 65,536 | US |
allocated | 1983-06-28 | e6750e8cf750… |
| 128.19.0.0 – 128.19.255.255 | 65,536 | US |
allocated | 1983-06-02 | 45fe880b68a8… |
| 128.30.0.0 – 128.30.255.255 | 65,536 | US |
allocated | 1983-05-27 | d98c567cda2d… |
| 128.31.0.0 – 128.31.255.255 | 65,536 | US |
allocated | 1983-05-27 | d98c567cda2d… |
| 128.32.0.0 – 128.32.255.255 | 65,536 | US |
allocated | 1983-05-27 | 0ff513819226… |
| 128.20.0.0 – 128.20.255.255 | 65,536 | US |
allocated | 1983-05-12 | 45fe880b68a8… |
| 128.25.0.0 – 128.25.255.255 | 65,536 | US |
allocated | 1983-05-12 | 45fe880b68a8… |
| 192.5.17.0 – 192.5.17.255 | 256 | US |
allocated | 1983-05-09 | 45fe880b68a8… |
| 192.5.18.0 – 192.5.18.255 | 256 | US |
allocated | 1983-05-09 | 45fe880b68a8… |
| 192.5.19.0 – 192.5.19.255 | 256 | US |
allocated | 1983-05-09 | 6be5ed29148a… |
| 192.5.12.0 – 192.5.12.255 | 256 | US |
allocated | 1983-04-04 | ce48cbd2051d… |
| 192.5.13.0 – 192.5.13.255 | 256 | US |
allocated | 1983-04-04 | 2f2d20f26ec3… |
| 192.5.14.0 – 192.5.14.255 | 256 | US |
allocated | 1983-03-24 | bb0be7e8aa73… |
| 128.12.0.0 – 128.12.255.255 | 65,536 | US |
allocated | 1983-02-24 | 9ddce2e25240… |
| 128.13.0.0 – 128.13.255.255 | 65,536 | US |
allocated | 1983-02-24 | e6750e8cf750… |
| 128.15.0.0 – 128.15.255.255 | 65,536 | US |
allocated | 1983-02-24 | 2be2a0b0a861… |
| 128.18.0.0 – 128.18.255.255 | 65,536 | US |
allocated | 1983-02-24 | 2784ce9dbeb2… |
| 192.5.9.0 – 192.5.9.255 | 256 | US |
allocated | 1983-01-19 | aa2650ff1df5… |
| 192.5.10.0 – 192.5.10.255 | 256 | US |
allocated | 1983-01-19 | 7d9a2925b1a0… |
| 192.5.21.0 – 192.5.21.255 | 256 | US |
allocated | 1982-12-13 | 45fe880b68a8… |
| 192.5.22.0 – 192.5.23.255 | 512 | US |
allocated | 1982-12-13 | 45fe880b68a8… |
| 192.5.24.0 – 192.5.25.255 | 512 | US |
allocated | 1982-12-13 | 45fe880b68a8… |
| 23.128.1.0 – 23.128.3.255 | 768 | — | reserved | — | … |
| 23.128.5.0 – 23.128.11.255 | 1,792 | — | reserved | — | … |
| 23.128.13.0 – 23.128.15.255 | 768 | — | reserved | — | … |
| 23.128.17.0 – 23.128.19.255 | 768 | — | reserved | — | … |
| 23.128.21.0 – 23.128.27.255 | 1,792 | — | reserved | — | … |
| 23.128.29.0 – 23.128.31.255 | 768 | — | reserved | — | … |
| 23.128.33.0 – 23.128.35.255 | 768 | — | reserved | — | … |
| 23.128.37.0 – 23.128.39.255 | 768 | — | reserved | — | … |
| 23.128.41.0 – 23.128.43.255 | 768 | — | reserved | — | … |
| 23.128.45.0 – 23.128.47.255 | 768 | — | reserved | — | … |
| 23.128.49.0 – 23.128.51.255 | 768 | — | reserved | — | … |
| 23.128.53.0 – 23.128.55.255 | 768 | — | reserved | — | … |
| 23.128.57.0 – 23.128.59.255 | 768 | — | reserved | — | … |
| 23.128.61.0 – 23.128.63.255 | 768 | — | reserved | — | … |
| 23.128.66.0 – 23.128.75.255 | 2,560 | — | reserved | — | … |
| 23.128.77.0 – 23.128.79.255 | 768 | — | reserved | — | … |
| 23.128.81.0 – 23.128.81.255 | 256 | — | reserved | — | … |
| 23.128.83.0 – 23.128.83.255 | 256 | — | reserved | — | … |
| 23.128.85.0 – 23.128.87.255 | 768 | — | reserved | — | … |
| 23.128.89.0 – 23.128.91.255 | 768 | — | reserved | — | … |
| 23.128.93.0 – 23.128.95.255 | 768 | — | reserved | — | … |
| 23.128.99.0 – 23.128.99.255 | 256 | — | reserved | — | … |
| 23.128.101.0 – 23.128.103.255 | 768 | — | reserved | — | … |
| 23.128.106.0 – 23.128.107.255 | 512 | — | reserved | — | … |
| 23.128.109.0 – 23.128.111.255 | 768 | — | reserved | — | … |
| 23.128.113.0 – 23.128.115.255 | 768 | — | reserved | — | … |
| 23.128.117.0 – 23.128.119.255 | 768 | — | reserved | — | … |
| 23.128.123.0 – 23.128.123.255 | 256 | — | reserved | — | … |
| 23.128.125.0 – 23.128.127.255 | 768 | — | reserved | — | … |
| 23.128.130.0 – 23.128.131.255 | 512 | — | reserved | — | … |
| 23.128.133.0 – 23.128.135.255 | 768 | — | reserved | — | … |
| 23.128.137.0 – 23.128.139.255 | 768 | — | reserved | — | … |
| 23.128.141.0 – 23.128.143.255 | 768 | — | reserved | — | … |
| 23.128.149.0 – 23.128.155.255 | 1,792 | — | reserved | — | … |
| 23.128.157.0 – 23.128.159.255 | 768 | — | reserved | — | … |