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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 205.236.240.0 – 205.236.243.255 | 1,024 |  CA |
allocated | 1995-04-25 | 68162db44518… |
| 205.236.245.0 – 205.236.245.255 | 256 | CA |
allocated | 1995-04-25 | e908b6adeef7… |
| 205.236.246.0 – 205.236.247.255 | 512 | CA |
allocated | 1995-04-25 | e908b6adeef7… |
| 205.236.248.0 – 205.236.251.255 | 1,024 | CA |
allocated | 1995-04-25 | e908b6adeef7… |
| 205.236.252.0 – 205.236.253.255 | 512 | CA |
allocated | 1995-04-25 | e908b6adeef7… |
| 205.236.254.0 – 205.236.254.255 | 256 | CA |
allocated | 1995-04-25 | e908b6adeef7… |
| 205.237.1.0 – 205.237.1.255 | 256 | CA |
allocated | 1995-04-25 | f358288fb85a… |
| 205.237.2.0 – 205.237.2.255 | 256 | CA |
allocated | 1995-04-25 | c79c531b7f84… |
| 205.237.3.0 – 205.237.3.255 | 256 | CA |
allocated | 1995-04-25 | daf3c048da5c… |
| 205.237.4.0 – 205.237.5.255 | 512 | CA |
allocated | 1995-04-25 | 313d64434fc6… |
| 205.237.6.0 – 205.237.7.255 | 512 | CA |
allocated | 1995-04-25 | 0072f87d7cb6… |
| 205.237.8.0 – 205.237.15.255 | 2,048 | CA |
allocated | 1995-04-25 | 2c05f895f08a… |
| 205.237.16.0 – 205.237.19.255 | 1,024 | CA |
allocated | 1995-04-25 | 2c05f895f08a… |
| 205.237.210.0 – 205.237.211.255 | 512 | CA |
allocated | 1995-04-25 | 3ca24c16dc1d… |
| 205.237.212.0 – 205.237.215.255 | 1,024 | CA |
allocated | 1995-04-25 | 3ca24c16dc1d… |
| 205.237.216.0 – 205.237.219.255 | 1,024 | CA |
allocated | 1995-04-25 | 3ca24c16dc1d… |
| 205.237.225.0 – 205.237.225.255 | 256 | CA |
allocated | 1995-04-25 | 4789a7a17436… |
| 205.237.227.0 – 205.237.227.255 | 256 | CA |
allocated | 1995-04-25 | ff9f82826635… |
| 205.237.228.0 – 205.237.229.255 | 512 | CA |
allocated | 1995-04-25 | ff9f82826635… |
| 205.237.230.0 – 205.237.230.255 | 256 | CA |
allocated | 1995-04-25 | 774b1168863b… |
| 205.237.231.0 – 205.237.231.255 | 256 | CA |
allocated | 1995-04-25 | e38fedfba2ec… |
| 205.237.232.0 – 205.237.235.255 | 1,024 | CA |
allocated | 1995-04-25 | f046ddd53b88… |
| 205.237.237.0 – 205.237.237.255 | 256 | CA |
allocated | 1995-04-25 | 973fd259d467… |
| 205.237.238.0 – 205.237.239.255 | 512 | CA |
allocated | 1995-04-25 | 246fc0ffe122… |
| 205.237.240.0 – 205.237.241.255 | 512 | CA |
allocated | 1995-04-25 | 911846d90b87… |
| 205.237.243.0 – 205.237.243.255 | 256 | CA |
allocated | 1995-04-25 | d08e05db5137… |
| 205.237.244.0 – 205.237.247.255 | 1,024 | CA |
allocated | 1995-04-25 | d08e05db5137… |
| 205.237.248.0 – 205.237.251.255 | 1,024 | CA |
allocated | 1995-04-25 | 993801308209… |
| 205.237.252.0 – 205.237.252.255 | 256 | CA |
allocated | 1995-04-25 | 179f98baadb3… |
| 199.233.170.0 – 199.233.170.255 | 256 |  US |
allocated | 1995-04-24 | 6f8a69619d01… |
| 199.233.171.0 – 199.233.171.255 | 256 | CA |
allocated | 1995-04-24 | d61abb0698c8… |
| 199.233.172.0 – 199.233.172.255 | 256 | US |
allocated | 1995-04-24 | b6b052e183ee… |
| 199.233.173.0 – 199.233.173.255 | 256 | US |
allocated | 1995-04-24 | 7d79f48417f8… |
| 204.126.250.0 – 204.126.251.255 | 512 | US |
allocated | 1995-04-24 | a4c65cc1c2f3… |
| 204.208.0.0 – 204.208.255.255 | 65,536 | US |
allocated | 1995-04-24 | 45fe880b68a8… |
| 204.238.57.0 – 204.238.57.255 | 256 | US |
allocated | 1995-04-24 | 18f0ea2994ce… |
| 204.238.58.0 – 204.238.58.255 | 256 | US |
allocated | 1995-04-24 | 7b22f8cff602… |
| 204.238.59.0 – 204.238.59.255 | 256 | US |
allocated | 1995-04-24 | cdb7d42057bd… |
| 205.159.109.0 – 205.159.109.255 | 256 | US |
allocated | 1995-04-24 | abf02b43e950… |
| 205.159.110.0 – 205.159.110.255 | 256 | US |
allocated | 1995-04-24 | 69daefa16860… |
| 205.159.111.0 – 205.159.111.255 | 256 | US |
allocated | 1995-04-24 | c16c390e7289… |
| 205.159.112.0 – 205.159.112.255 | 256 | US |
allocated | 1995-04-24 | 8a78b7551639… |
| 205.159.113.0 – 205.159.113.255 | 256 | US |
allocated | 1995-04-24 | 5f63e9b1ae64… |
| 205.167.64.0 – 205.167.65.255 | 512 | US |
allocated | 1995-04-24 | 6af7a30ab85f… |
| 205.214.192.0 – 205.214.223.255 | 8,192 |  BB |
allocated | 1995-04-24 | a2808ab99afe… |
| 205.215.0.0 – 205.215.63.255 | 16,384 | US |
allocated | 1995-04-24 | 37fe01d6d027… |
| 205.215.64.0 – 205.215.127.255 | 16,384 | US |
allocated | 1995-04-24 | cb249916e957… |
| 205.215.128.0 – 205.215.191.255 | 16,384 | US |
allocated | 1995-04-24 | cee25e03ab2e… |
| 205.240.0.0 – 205.247.255.255 | 524,288 | US |
allocated | 1995-04-24 | 37fe01d6d027… |
| 170.224.0.0 – 170.224.127.255 | 32,768 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.224.128.0 – 170.224.159.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.224.160.0 – 170.224.191.255 | 8,192 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.224.192.0 – 170.224.255.255 | 16,384 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.0.0 – 170.225.31.255 | 8,192 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.225.32.0 – 170.225.63.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.64.0 – 170.225.95.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.96.0 – 170.225.111.255 | 4,096 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.225.112.0 – 170.225.127.255 | 4,096 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.128.0 – 170.225.143.255 | 4,096 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.225.144.0 – 170.225.159.255 | 4,096 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.160.0 – 170.225.191.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.192.0 – 170.225.223.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.224.0 – 170.225.225.255 | 512 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.226.0 – 170.225.226.255 | 256 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.227.0 – 170.225.227.255 | 256 | US |
allocated | 1995-04-21 | 24872777a723… |
| 170.225.228.0 – 170.225.228.255 | 256 | US |
allocated | 1995-04-21 | 24872777a723… |
| 170.225.229.0 – 170.225.229.255 | 256 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.230.0 – 170.225.231.255 | 512 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.232.0 – 170.225.233.255 | 512 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.225.234.0 – 170.225.235.255 | 512 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.236.0 – 170.225.239.255 | 1,024 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.240.0 – 170.225.241.255 | 512 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.242.0 – 170.225.242.255 | 256 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.225.243.0 – 170.225.243.255 | 256 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.244.0 – 170.225.247.255 | 1,024 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.248.0 – 170.225.251.255 | 1,024 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.225.252.0 – 170.225.255.255 | 1,024 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.226.0.0 – 170.226.31.255 | 8,192 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.226.32.0 – 170.226.47.255 | 4,096 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.226.48.0 – 170.226.55.255 | 2,048 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.226.56.0 – 170.226.57.255 | 512 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.226.58.0 – 170.226.59.255 | 512 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.226.60.0 – 170.226.63.255 | 1,024 | US |
allocated | 1995-04-21 | 01ded2cfbf92… |
| 170.226.64.0 – 170.226.127.255 | 16,384 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.226.128.0 – 170.226.255.255 | 32,768 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 170.227.0.0 – 170.227.255.255 | 65,536 | US |
allocated | 1995-04-21 | 31caea8da158… |
| 204.79.246.0 – 204.79.247.255 | 512 |  NL |
allocated | 1995-04-21 | c87a93460bb5… |
| 204.79.248.0 – 204.79.251.255 | 1,024 | NL |
allocated | 1995-04-21 | c87a93460bb5… |
| 204.126.246.0 – 204.126.247.255 | 512 | US |
allocated | 1995-04-21 | c0596c9d1e12… |
| 204.231.192.0 – 204.231.192.255 | 256 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.193.0 – 204.231.193.255 | 256 | US |
allocated | 1995-04-21 | 70e74f072dd0… |
| 204.231.194.0 – 204.231.195.255 | 512 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.196.0 – 204.231.196.255 | 256 | US |
allocated | 1995-04-21 | f9c8cb74051c… |
| 204.231.197.0 – 204.231.197.255 | 256 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.198.0 – 204.231.199.255 | 512 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.200.0 – 204.231.207.255 | 2,048 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.208.0 – 204.231.223.255 | 4,096 | US |
allocated | 1995-04-21 | b004b3ecde24… |
| 204.231.224.0 – 204.231.224.255 | 256 |  GB |
allocated | 1995-04-21 | 51c067b7db23… |
| 204.231.225.0 – 204.231.225.255 | 256 | NL |
allocated | 1995-04-21 | 9811038680d5… |
| 204.231.226.0 – 204.231.226.255 | 256 | NL |
allocated | 1995-04-21 | 9811038680d5… |