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
1,645,628,928
📦
IPv4 networks
76,700
delegated blocks
🧭
IPv6 networks
11,350
delegated blocks
🔗
Autonomous systems
34,051
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.222.100.0 – 192.222.100.255 | 256 |  US |
allocated | 1992-09-25 | 45fe880b68a8… |
| 192.231.44.0 – 192.231.44.255 | 256 | US |
allocated | 1992-09-25 | 5658d230d8d9… |
| 192.231.45.0 – 192.231.45.255 | 256 | US |
allocated | 1992-09-25 | 1942d6cfa11a… |
| 192.231.46.0 – 192.231.46.255 | 256 | US |
allocated | 1992-09-25 | 1942d6cfa11a… |
| 192.231.47.0 – 192.231.47.255 | 256 | US |
allocated | 1992-09-25 | 1942d6cfa11a… |
| 192.231.48.0 – 192.231.48.255 | 256 | US |
allocated | 1992-09-25 | ced1941030d8… |
| 192.231.49.0 – 192.231.49.255 | 256 | US |
allocated | 1992-09-25 | ed13e9fdaafc… |
| 192.231.50.0 – 192.231.51.255 | 512 | US |
allocated | 1992-09-25 | ed13e9fdaafc… |
| 192.231.52.0 – 192.231.52.255 | 256 | US |
allocated | 1992-09-25 | ed13e9fdaafc… |
| 192.231.53.0 – 192.231.53.255 | 256 | US |
allocated | 1992-09-25 | 15dee2d6ceb9… |
| 192.231.54.0 – 192.231.54.255 | 256 | US |
allocated | 1992-09-25 | 15dee2d6ceb9… |
| 192.231.55.0 – 192.231.55.255 | 256 | US |
allocated | 1992-09-25 | 21e103cadb9e… |
| 192.231.57.0 – 192.231.57.255 | 256 | US |
allocated | 1992-09-25 | fa58aaf027c5… |
| 192.231.58.0 – 192.231.58.255 | 256 | US |
allocated | 1992-09-25 | 091858c07a45… |
| 192.231.60.0 – 192.231.60.255 | 256 | US |
allocated | 1992-09-25 | c39d7a8e91d1… |
| 192.231.61.0 – 192.231.61.255 | 256 | US |
allocated | 1992-09-25 | 3ad34ffcd343… |
| 192.231.62.0 – 192.231.62.255 | 256 | US |
allocated | 1992-09-25 | 9b946f04931d… |
| 192.231.63.0 – 192.231.63.255 | 256 | US |
allocated | 1992-09-25 | 4a91edc393f0… |
| 192.231.64.0 – 192.231.64.255 | 256 | US |
allocated | 1992-09-25 | f26dfc0894e9… |
| 192.234.1.0 – 192.234.1.255 | 256 | US |
allocated | 1992-09-25 | 7b0ef842a6a1… |
| 192.234.2.0 – 192.234.2.255 | 256 | US |
allocated | 1992-09-25 | 7b0ef842a6a1… |
| 192.234.3.0 – 192.234.3.255 | 256 | US |
allocated | 1992-09-25 | 7b0ef842a6a1… |
| 192.234.4.0 – 192.234.4.255 | 256 | US |
allocated | 1992-09-25 | 7b0ef842a6a1… |
| 163.244.0.0 – 163.244.255.255 | 65,536 | US |
allocated | 1992-09-24 | 4cb61b484442… |
| 192.34.239.0 – 192.34.239.255 | 256 | US |
allocated | 1992-09-24 | eae511bd2ab8… |
| 192.206.243.0 – 192.206.243.255 | 256 | US |
allocated | 1992-09-24 | 04c6176aba4e… |
| 192.206.244.0 – 192.206.244.255 | 256 | US |
allocated | 1992-09-24 | 04c6176aba4e… |
| 192.206.245.0 – 192.206.245.255 | 256 | US |
allocated | 1992-09-24 | 04c6176aba4e… |
| 192.206.246.0 – 192.206.246.255 | 256 | US |
allocated | 1992-09-24 | 04c6176aba4e… |
| 192.206.249.0 – 192.206.249.255 | 256 | US |
allocated | 1992-09-24 | 6e7fadb2942b… |
| 192.206.250.0 – 192.206.250.255 | 256 | US |
allocated | 1992-09-24 | 6e7fadb2942b… |
| 192.206.251.0 – 192.206.251.255 | 256 | US |
allocated | 1992-09-24 | 6e7fadb2942b… |
| 192.206.252.0 – 192.206.252.255 | 256 | US |
allocated | 1992-09-24 | 6e7fadb2942b… |
| 192.231.40.0 – 192.231.40.255 | 256 | US |
allocated | 1992-09-24 | c6f5126adcbf… |
| 192.231.41.0 – 192.231.41.255 | 256 | US |
allocated | 1992-09-24 | 14c24bb2cc57… |
| 192.231.42.0 – 192.231.42.255 | 256 | US |
allocated | 1992-09-24 | e5e3b9c13678… |
| 192.234.5.0 – 192.234.5.255 | 256 | US |
allocated | 1992-09-24 | bbf97bd5ac16… |
| 192.203.198.0 – 192.203.198.255 | 256 | US |
allocated | 1992-09-23 | b2a2bcf731ab… |
| 192.203.199.0 – 192.203.199.255 | 256 | US |
allocated | 1992-09-23 | 4f8ae1950c7b… |
| 192.203.200.0 – 192.203.200.255 | 256 | US |
allocated | 1992-09-23 | 4f8ae1950c7b… |
| 192.203.201.0 – 192.203.201.255 | 256 | US |
allocated | 1992-09-23 | 25a0de8320f1… |
| 192.203.202.0 – 192.203.202.255 | 256 | US |
allocated | 1992-09-23 | 2ec4bed6724d… |
| 192.203.203.0 – 192.203.203.255 | 256 |  CA |
allocated | 1992-09-23 | b0a3c5e7a89e… |
| 192.231.31.0 – 192.231.31.255 | 256 | US |
allocated | 1992-09-23 | a5e730de6b0f… |
| 192.231.32.0 – 192.231.32.255 | 256 | US |
allocated | 1992-09-23 | 96d2ea121085… |
| 192.231.33.0 – 192.231.33.255 | 256 | US |
allocated | 1992-09-23 | 6154750e26cb… |
| 192.231.37.0 – 192.231.37.255 | 256 | US |
allocated | 1992-09-23 | e7808305cfcd… |
| 192.231.38.0 – 192.231.38.255 | 256 | US |
allocated | 1992-09-23 | e398a9324f25… |
| 192.231.39.0 – 192.231.39.255 | 256 | US |
allocated | 1992-09-23 | d8f04d1657b9… |
| 192.233.0.0 – 192.233.255.255 | 65,536 | US |
allocated | 1992-09-23 | e5e3b9c13678… |
| 192.203.194.0 – 192.203.194.255 | 256 | US |
allocated | 1992-09-22 | d89bf02cb080… |
| 192.203.196.0 – 192.203.196.255 | 256 | US |
allocated | 1992-09-22 | b61f5d4597eb… |
| 192.203.197.0 – 192.203.197.255 | 256 | CA |
allocated | 1992-09-22 | cef8c7986ba9… |
| 192.230.0.0 – 192.230.15.255 | 4,096 | US |
allocated | 1992-09-22 | 7379fe43e216… |
| 192.231.6.0 – 192.231.6.255 | 256 | US |
allocated | 1992-09-22 | e43f12c6ea05… |
| 192.231.7.0 – 192.231.7.255 | 256 | US |
allocated | 1992-09-22 | a9fd8f822bc9… |
| 192.231.8.0 – 192.231.8.255 | 256 | US |
allocated | 1992-09-22 | 01ded2cfbf92… |
| 192.231.9.0 – 192.231.9.255 | 256 | US |
allocated | 1992-09-22 | 81e05477cc28… |
| 192.231.10.0 – 192.231.10.255 | 256 | US |
allocated | 1992-09-22 | 01ded2cfbf92… |
| 192.231.11.0 – 192.231.11.255 | 256 | US |
allocated | 1992-09-22 | 81e05477cc28… |
| 192.231.12.0 – 192.231.12.255 | 256 | US |
allocated | 1992-09-22 | 01ded2cfbf92… |
| 192.231.13.0 – 192.231.13.255 | 256 | US |
allocated | 1992-09-22 | 01ded2cfbf92… |
| 192.231.14.0 – 192.231.14.255 | 256 | US |
allocated | 1992-09-22 | 01ded2cfbf92… |
| 192.231.16.0 – 192.231.16.255 | 256 | US |
allocated | 1992-09-22 | 838ab83344cb… |
| 192.231.27.0 – 192.231.27.255 | 256 | US |
allocated | 1992-09-22 | 4774876be7de… |
| 192.231.28.0 – 192.231.28.255 | 256 | US |
allocated | 1992-09-22 | 4774876be7de… |
| 192.231.29.0 – 192.231.29.255 | 256 | US |
allocated | 1992-09-22 | f45255adf81d… |
| 192.231.30.0 – 192.231.30.255 | 256 | US |
allocated | 1992-09-22 | 45fe880b68a8… |
| 192.108.222.0 – 192.108.222.255 | 256 | US |
allocated | 1992-09-21 | 45fe880b68a8… |
| 192.111.225.0 – 192.111.225.255 | 256 | US |
allocated | 1992-09-21 | 45fe880b68a8… |
| 192.111.226.0 – 192.111.226.255 | 256 | US |
allocated | 1992-09-21 | 45fe880b68a8… |
| 192.111.227.0 – 192.111.227.255 | 256 | US |
allocated | 1992-09-21 | 45fe880b68a8… |
| 192.160.97.0 – 192.160.97.255 | 256 | US |
allocated | 1992-09-21 | e744d3ce0a8f… |
| 192.160.98.0 – 192.160.98.255 | 256 | US |
allocated | 1992-09-21 | e744d3ce0a8f… |
| 192.160.99.0 – 192.160.99.255 | 256 | US |
allocated | 1992-09-21 | e744d3ce0a8f… |
| 192.160.100.0 – 192.160.100.255 | 256 | US |
allocated | 1992-09-21 | e744d3ce0a8f… |
| 192.203.178.0 – 192.203.178.255 | 256 | US |
allocated | 1992-09-21 | afba503f59f9… |
| 192.203.179.0 – 192.203.179.255 | 256 | US |
allocated | 1992-09-21 | 9df6740ba1d1… |
| 192.203.180.0 – 192.203.180.255 | 256 | US |
allocated | 1992-09-21 | bceae863d6d0… |
| 192.203.181.0 – 192.203.181.255 | 256 | US |
allocated | 1992-09-21 | 64ba5fcf8a9f… |
| 192.203.182.0 – 192.203.182.255 | 256 | US |
allocated | 1992-09-21 | 6a2bec1ff1c3… |
| 192.203.186.0 – 192.203.186.255 | 256 | US |
allocated | 1992-09-21 | 6fee1e332e68… |
| 192.203.187.0 – 192.203.187.255 | 256 | US |
allocated | 1992-09-21 | f66c06293275… |
| 192.203.189.0 – 192.203.189.255 | 256 | US |
allocated | 1992-09-21 | d59ce819d413… |
| 192.203.190.0 – 192.203.190.255 | 256 | US |
allocated | 1992-09-21 | c2dfb9e7c865… |
| 192.203.191.0 – 192.203.191.255 | 256 | US |
allocated | 1992-09-21 | 61f9f0efb667… |
| 192.203.192.0 – 192.203.192.255 | 256 | US |
allocated | 1992-09-21 | 74d23e050e09… |
| 192.231.1.0 – 192.231.1.255 | 256 | US |
allocated | 1992-09-21 | 7f4123c72a35… |
| 192.231.3.0 – 192.231.3.255 | 256 | US |
allocated | 1992-09-21 | 150fca1ac869… |
| 192.231.4.0 – 192.231.4.255 | 256 | US |
allocated | 1992-09-21 | b509b898e9a5… |
| 192.232.1.0 – 192.232.1.255 | 256 | US |
allocated | 1992-09-21 | ab226dc561ca… |
| 192.232.2.0 – 192.232.3.255 | 512 | US |
allocated | 1992-09-21 | ab226dc561ca… |
| 192.232.4.0 – 192.232.7.255 | 1,024 | US |
allocated | 1992-09-21 | ab226dc561ca… |
| 192.232.8.0 – 192.232.9.255 | 512 | US |
allocated | 1992-09-21 | ab226dc561ca… |
| 192.232.10.0 – 192.232.10.255 | 256 | US |
allocated | 1992-09-21 | ab226dc561ca… |
| 198.97.167.0 – 198.97.167.255 | 256 | US |
allocated | 1992-09-21 | 45fe880b68a8… |
| 192.232.16.0 – 192.232.31.255 | 4,096 | US |
allocated | 1992-09-20 | f4bb71b8cdaf… |
| 140.247.0.0 – 140.247.255.255 | 65,536 | US |
allocated | 1992-09-18 | 2c8438ff5e93… |
| 192.190.4.0 – 192.190.4.255 | 256 | US |
allocated | 1992-09-18 | 9eba49c0a848… |
| 192.190.5.0 – 192.190.5.255 | 256 | US |
allocated | 1992-09-18 | 9eba49c0a848… |