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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.245.164.0 – 199.245.165.255 | 512 |  US |
allocated | 1994-05-18 | eb1d54ad42f0… |
| 199.245.166.0 – 199.245.166.255 | 256 | US |
allocated | 1994-05-18 | eb1d54ad42f0… |
| 199.245.167.0 – 199.245.167.255 | 256 | US |
allocated | 1994-05-18 | 121b8005b8f9… |
| 199.245.168.0 – 199.245.168.255 | 256 | US |
allocated | 1994-05-18 | 9ca5da51a2fc… |
| 204.27.32.0 – 204.27.47.255 | 4,096 | US |
allocated | 1994-05-18 | 4b3e152c829c… |
| 204.27.48.0 – 204.27.51.255 | 1,024 | US |
allocated | 1994-05-18 | 4b3e152c829c… |
| 204.28.0.0 – 204.28.7.255 | 2,048 | US |
allocated | 1994-05-18 | c4ff8c718bfd… |
| 204.28.8.0 – 204.28.9.255 | 512 | US |
allocated | 1994-05-18 | c4ff8c718bfd… |
| 204.44.16.0 – 204.44.31.255 | 4,096 | US |
allocated | 1994-05-18 | e27f6290dc68… |
| 204.44.32.0 – 204.44.47.255 | 4,096 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 204.44.48.0 – 204.44.55.255 | 2,048 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 204.44.56.0 – 204.44.56.255 | 256 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 192.139.43.0 – 192.139.43.255 | 256 |  CA |
allocated | 1994-05-17 | 5e593d716ba8… |
| 198.161.219.0 – 198.161.219.255 | 256 | CA |
allocated | 1994-05-17 | c190176231ab… |
| 198.161.220.0 – 198.161.220.255 | 256 | CA |
allocated | 1994-05-17 | ee89883109f5… |
| 198.161.224.0 – 198.161.227.255 | 1,024 | US |
allocated | 1994-05-17 | 7013a13d0ca7… |
| 198.163.158.0 – 198.163.159.255 | 512 | CA |
allocated | 1994-05-17 | 8acc761f600f… |
| 198.204.71.0 – 198.204.71.255 | 256 |  PR |
allocated | 1994-05-17 | 14207233dcf9… |
| 198.204.72.0 – 198.204.72.255 | 256 | PR |
allocated | 1994-05-17 | 14207233dcf9… |
| 198.204.73.0 – 198.204.73.255 | 256 | US |
allocated | 1994-05-17 | 103a61770d06… |
| 198.204.74.0 – 198.204.74.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.75.0 – 198.204.75.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.76.0 – 198.204.76.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.77.0 – 198.204.77.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.79.0 – 198.204.79.255 | 256 | US |
allocated | 1994-05-17 | ebac0c313797… |
| 198.235.32.0 – 198.235.47.255 | 4,096 | US |
allocated | 1994-05-17 | 2c8b166870cf… |
| 199.43.248.0 – 199.43.248.255 | 256 | CA |
allocated | 1994-05-17 | 86b1d339bba4… |
| 199.71.120.0 – 199.71.120.255 | 256 | CA |
allocated | 1994-05-17 | a2eba22c6c42… |
| 199.84.154.0 – 199.84.154.255 | 256 | CA |
allocated | 1994-05-17 | a47edfb1019d… |
| 199.84.155.0 – 199.84.155.255 | 256 | CA |
allocated | 1994-05-17 | a92547f1ab18… |
| 199.84.156.0 – 199.84.156.255 | 256 | CA |
allocated | 1994-05-17 | 3585d867c4de… |
| 199.84.246.0 – 199.84.247.255 | 512 | CA |
allocated | 1994-05-17 | b04f04d26361… |
| 199.175.239.0 – 199.175.239.255 | 256 | CA |
allocated | 1994-05-17 | a2b4a5929ff4… |
| 199.212.12.0 – 199.212.13.255 | 512 | CA |
allocated | 1994-05-17 | 9aebb9cc756f… |
| 199.242.231.0 – 199.242.231.255 | 256 | US |
allocated | 1994-05-17 | 2fc72c3bfb52… |
| 199.242.232.0 – 199.242.233.255 | 512 | US |
allocated | 1994-05-17 | 2fc72c3bfb52… |
| 199.242.234.0 – 199.242.235.255 | 512 | US |
allocated | 1994-05-17 | 39319c22f53f… |
| 199.242.236.0 – 199.242.239.255 | 1,024 | US |
allocated | 1994-05-17 | 39319c22f53f… |
| 199.242.240.0 – 199.242.241.255 | 512 | US |
allocated | 1994-05-17 | 2a7913e16c40… |
| 199.242.242.0 – 199.242.242.255 | 256 | US |
allocated | 1994-05-17 | 6d39d3ccd38b… |
| 199.242.243.0 – 199.242.243.255 | 256 | US |
allocated | 1994-05-17 | 5724f844b7d8… |
| 199.242.246.0 – 199.242.246.255 | 256 | US |
allocated | 1994-05-17 | d4974831d028… |
| 199.242.247.0 – 199.242.247.255 | 256 | US |
allocated | 1994-05-17 | 4a5e296bb4f4… |
| 199.242.248.0 – 199.242.248.255 | 256 | US |
allocated | 1994-05-17 | 4a5e296bb4f4… |
| 199.242.251.0 – 199.242.251.255 | 256 | US |
allocated | 1994-05-17 | 41ded441f5af… |
| 199.242.252.0 – 199.242.252.255 | 256 | US |
allocated | 1994-05-17 | d46cfba0baf0… |
| 199.246.180.0 – 199.246.183.255 | 1,024 | CA |
allocated | 1994-05-17 | b35131de1ab4… |
| 199.246.184.0 – 199.246.191.255 | 2,048 | CA |
allocated | 1994-05-17 | b35131de1ab4… |
| 199.246.192.0 – 199.246.199.255 | 2,048 | CA |
allocated | 1994-05-17 | b35131de1ab4… |
| 192.197.250.0 – 192.197.251.255 | 512 | CA |
allocated | 1994-05-16 | ed8c0780b800… |
| 192.219.64.0 – 192.219.71.255 | 2,048 | CA |
allocated | 1994-05-16 | dbc9af2bb7f0… |
| 192.219.72.0 – 192.219.75.255 | 1,024 | CA |
allocated | 1994-05-16 | dbc9af2bb7f0… |
| 198.161.217.0 – 198.161.217.255 | 256 | CA |
allocated | 1994-05-16 | 630541d835ee… |
| 198.163.160.0 – 198.163.175.255 | 4,096 | CA |
allocated | 1994-05-16 | c192b031f3a3… |
| 198.204.67.0 – 198.204.67.255 | 256 | US |
allocated | 1994-05-16 | c332235df9c0… |
| 198.204.68.0 – 198.204.68.255 | 256 | US |
allocated | 1994-05-16 | c332235df9c0… |
| 198.204.69.0 – 198.204.69.255 | 256 | US |
allocated | 1994-05-16 | 8d8b05392b75… |
| 198.204.70.0 – 198.204.70.255 | 256 | US |
allocated | 1994-05-16 | 8d8b05392b75… |
| 199.60.64.0 – 199.60.95.255 | 8,192 | CA |
allocated | 1994-05-16 | c8bae1572cdf… |
| 199.84.62.0 – 199.84.63.255 | 512 | CA |
allocated | 1994-05-16 | 1834d375f684… |
| 199.166.21.0 – 199.166.21.255 | 256 | CA |
allocated | 1994-05-16 | 7b65ce825c7d… |
| 199.175.16.0 – 199.175.31.255 | 4,096 | CA |
allocated | 1994-05-16 | 2e9bb169f479… |
| 199.175.40.0 – 199.175.40.255 | 256 | CA |
allocated | 1994-05-16 | 0ad216700397… |
| 199.212.2.0 – 199.212.3.255 | 512 | CA |
allocated | 1994-05-16 | 08ed55469653… |
| 199.212.237.0 – 199.212.237.255 | 256 | CA |
allocated | 1994-05-16 | 7b3093c8d6a6… |
| 199.212.238.0 – 199.212.239.255 | 512 | CA |
allocated | 1994-05-16 | eb62c4da9102… |
| 199.212.240.0 – 199.212.247.255 | 2,048 | CA |
allocated | 1994-05-16 | eb62c4da9102… |
| 199.242.220.0 – 199.242.220.255 | 256 | US |
allocated | 1994-05-16 | fc4f9e57672f… |
| 199.242.221.0 – 199.242.221.255 | 256 | US |
allocated | 1994-05-16 | 24a9524daacd… |
| 199.242.224.0 – 199.242.224.255 | 256 | US |
allocated | 1994-05-16 | ad8e06929b32… |
| 199.242.225.0 – 199.242.225.255 | 256 | US |
allocated | 1994-05-16 | 880e2f615c78… |
| 199.242.226.0 – 199.242.226.255 | 256 | US |
allocated | 1994-05-16 | feac2f7f4a63… |
| 199.242.227.0 – 199.242.227.255 | 256 | US |
allocated | 1994-05-16 | d3a0b17128b4… |
| 199.242.228.0 – 199.242.228.255 | 256 | US |
allocated | 1994-05-16 | e029a57544b4… |
| 199.242.229.0 – 199.242.229.255 | 256 | US |
allocated | 1994-05-16 | 22b8c4165c2c… |
| 199.242.230.0 – 199.242.230.255 | 256 | US |
allocated | 1994-05-16 | 6e7fadb2942b… |
| 199.246.218.0 – 199.246.219.255 | 512 | CA |
allocated | 1994-05-16 | bebd65214c93… |
| 199.246.220.0 – 199.246.221.255 | 512 | CA |
allocated | 1994-05-16 | bebd65214c93… |
| 199.246.227.0 – 199.246.227.255 | 256 | CA |
allocated | 1994-05-16 | c284320e40ea… |
| 199.246.228.0 – 199.246.229.255 | 512 | CA |
allocated | 1994-05-16 | c284320e40ea… |
| 204.26.0.0 – 204.26.7.255 | 2,048 | US |
allocated | 1994-05-16 | f7b6aeb32b1e… |
| 152.44.80.0 – 152.44.95.255 | 4,096 | US |
allocated | 1994-05-15 | a434068cbdef… |
| 198.235.254.0 – 198.235.254.255 | 256 | CA |
allocated | 1994-05-15 | 062ceaa934f2… |
| 199.84.157.0 – 199.84.157.255 | 256 | CA |
allocated | 1994-05-15 | 716b84082c85… |
| 199.84.158.0 – 199.84.159.255 | 512 | CA |
allocated | 1994-05-15 | 716b84082c85… |
| 199.84.240.0 – 199.84.241.255 | 512 | CA |
allocated | 1994-05-15 | 0e702695cc8d… |
| 199.84.242.0 – 199.84.242.255 | 256 | CA |
allocated | 1994-05-15 | 0e702695cc8d… |
| 168.145.0.0 – 168.145.255.255 | 65,536 | US |
allocated | 1994-05-14 | 564ff0189588… |
| 199.60.222.0 – 199.60.222.255 | 256 | CA |
allocated | 1994-05-14 | 36e5608f5532… |
| 199.166.247.0 – 199.166.247.255 | 256 | CA |
allocated | 1994-05-14 | 863799a20b7a… |
| 199.212.236.0 – 199.212.236.255 | 256 | CA |
allocated | 1994-05-14 | da964e0f3d79… |
| 199.242.194.0 – 199.242.194.255 | 256 | US |
allocated | 1994-05-14 | 01f87ba2118f… |
| 199.242.195.0 – 199.242.195.255 | 256 | US |
allocated | 1994-05-14 | e273deae0f1f… |
| 199.242.196.0 – 199.242.199.255 | 1,024 | US |
allocated | 1994-05-14 | f38682c56ac0… |
| 199.242.200.0 – 199.242.200.255 | 256 | US |
allocated | 1994-05-14 | ea886688880b… |
| 199.242.201.0 – 199.242.201.255 | 256 | US |
allocated | 1994-05-14 | 9bf966ed8d34… |
| 199.242.202.0 – 199.242.202.255 | 256 | US |
allocated | 1994-05-14 | 723da5d5b74e… |
| 199.242.204.0 – 199.242.204.255 | 256 | US |
allocated | 1994-05-14 | 50537440e5bd… |
| 199.242.205.0 – 199.242.205.255 | 256 | US |
allocated | 1994-05-14 | b3528956d622… |
| 199.242.206.0 – 199.242.207.255 | 512 | US |
allocated | 1994-05-14 | 1f39e142e2d3… |