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
1,639,263,232
📦
IPv4 networks
76,743
delegated blocks
🧭
IPv6 networks
11,453
delegated blocks
🔗
Autonomous systems
34,133
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.251.120.0 – 192.251.120.255 | 256 |  US |
allocated | 1992-11-27 | 4a035b54dad0… |
| 192.251.121.0 – 192.251.121.255 | 256 | US |
allocated | 1992-11-27 | 36cf8b91b77d… |
| 192.251.122.0 – 192.251.122.255 | 256 | US |
allocated | 1992-11-27 | 1df2f1706082… |
| 192.251.123.0 – 192.251.123.255 | 256 | US |
allocated | 1992-11-27 | a03869d08915… |
| 192.251.124.0 – 192.251.124.255 | 256 | US |
allocated | 1992-11-27 | a03869d08915… |
| 192.251.125.0 – 192.251.125.255 | 256 | US |
allocated | 1992-11-27 | a03869d08915… |
| 192.251.126.0 – 192.251.126.255 | 256 | US |
allocated | 1992-11-27 | a03869d08915… |
| 192.251.130.0 – 192.251.130.255 | 256 | US |
allocated | 1992-11-27 | 49e8f231c329… |
| 192.251.131.0 – 192.251.131.255 | 256 | US |
allocated | 1992-11-27 | 05fa195af5cb… |
| 198.20.32.0 – 198.20.63.255 | 8,192 |  CA |
allocated | 1992-11-27 | f3dd18cb5081… |
| 160.150.0.0 – 160.150.255.255 | 65,536 | US |
allocated | 1992-11-25 | 45fe880b68a8… |
| 192.251.78.0 – 192.251.78.255 | 256 | US |
allocated | 1992-11-25 | 83322991915d… |
| 192.251.79.0 – 192.251.79.255 | 256 | US |
allocated | 1992-11-25 | 83672dd2129a… |
| 192.251.80.0 – 192.251.80.255 | 256 | US |
allocated | 1992-11-25 | 309884623f1b… |
| 192.251.82.0 – 192.251.82.255 | 256 | US |
allocated | 1992-11-25 | 70ff16b5bdb5… |
| 192.251.83.0 – 192.251.83.255 | 256 | US |
allocated | 1992-11-25 | 70ff16b5bdb5… |
| 192.251.84.0 – 192.251.84.255 | 256 | US |
allocated | 1992-11-25 | 70ff16b5bdb5… |
| 192.251.85.0 – 192.251.85.255 | 256 | US |
allocated | 1992-11-25 | 70ff16b5bdb5… |
| 192.251.86.0 – 192.251.86.255 | 256 | US |
allocated | 1992-11-25 | 399da38fd3d4… |
| 192.251.87.0 – 192.251.87.255 | 256 | US |
allocated | 1992-11-25 | ff4848acb7d4… |
| 192.251.88.0 – 192.251.88.255 | 256 | US |
allocated | 1992-11-25 | ff4848acb7d4… |
| 192.251.89.0 – 192.251.89.255 | 256 | US |
allocated | 1992-11-25 | f9588055df68… |
| 192.251.90.0 – 192.251.90.255 | 256 | US |
allocated | 1992-11-25 | d3cc487da4a3… |
| 192.251.91.0 – 192.251.91.255 | 256 | CA |
allocated | 1992-11-25 | 61bb91d0869c… |
| 192.251.92.0 – 192.251.92.255 | 256 | US |
allocated | 1992-11-25 | 01f7a8d2ca91… |
| 192.251.93.0 – 192.251.93.255 | 256 | US |
allocated | 1992-11-25 | 534fedf07a35… |
| 192.251.94.0 – 192.251.94.255 | 256 | US |
allocated | 1992-11-25 | 1350cef14066… |
| 198.20.8.0 – 198.20.15.255 | 2,048 | US |
allocated | 1992-11-25 | 8c2ff4ffa66d… |
| 198.20.16.0 – 198.20.31.255 | 4,096 | US |
allocated | 1992-11-25 | 7c52a26a4ad3… |
| 198.21.8.0 – 198.21.15.255 | 2,048 | US |
allocated | 1992-11-25 | 0273f89e3633… |
| 198.21.16.0 – 198.21.31.255 | 4,096 | US |
allocated | 1992-11-25 | b372eff5846d… |
| 162.132.0.0 – 162.132.255.255 | 65,536 | US |
allocated | 1992-11-24 | b372eff5846d… |
| 162.134.0.0 – 162.134.255.255 | 65,536 | US |
allocated | 1992-11-24 | 033819bcdbc0… |
| 162.135.0.0 – 162.135.255.255 | 65,536 | US |
allocated | 1992-11-24 | 9a8d6768b753… |
| 162.136.0.0 – 162.136.255.255 | 65,536 | US |
allocated | 1992-11-24 | 747c9433b507… |
| 164.44.0.0 – 164.44.255.255 | 65,536 | US |
allocated | 1992-11-24 | b7eed6e05f1f… |
| 164.50.0.0 – 164.50.255.255 | 65,536 | US |
allocated | 1992-11-24 | 4505e70cb75e… |
| 164.51.0.0 – 164.51.255.255 | 65,536 | US |
allocated | 1992-11-24 | b121ce0c238d… |
| 164.54.0.0 – 164.54.255.255 | 65,536 | US |
allocated | 1992-11-24 | 56c4ac2185fc… |
| 192.203.248.0 – 192.203.248.255 | 256 | US |
allocated | 1992-11-24 | 0d93969c834e… |
| 192.203.250.0 – 192.203.250.255 | 256 | US |
allocated | 1992-11-24 | aa297fca628f… |
| 192.203.251.0 – 192.203.251.255 | 256 | US |
allocated | 1992-11-24 | ed82f699d13f… |
| 192.251.43.0 – 192.251.43.255 | 256 | US |
allocated | 1992-11-24 | 442d612f2688… |
| 192.251.44.0 – 192.251.44.255 | 256 | US |
allocated | 1992-11-24 | 442d612f2688… |
| 192.251.45.0 – 192.251.45.255 | 256 | US |
allocated | 1992-11-24 | 442d612f2688… |
| 192.251.46.0 – 192.251.46.255 | 256 | US |
allocated | 1992-11-24 | 9de19f96848f… |
| 192.251.47.0 – 192.251.47.255 | 256 | US |
allocated | 1992-11-24 | 9de19f96848f… |
| 192.251.48.0 – 192.251.48.255 | 256 | US |
allocated | 1992-11-24 | 45fe880b68a8… |
| 192.251.49.0 – 192.251.49.255 | 256 | US |
allocated | 1992-11-24 | 16d0f9959b05… |
| 192.251.50.0 – 192.251.50.255 | 256 | US |
allocated | 1992-11-24 | c20e8bcb2151… |
| 192.251.51.0 – 192.251.51.255 | 256 | US |
allocated | 1992-11-24 | e53d8bdda2d5… |
| 192.251.52.0 – 192.251.52.255 | 256 | CA |
allocated | 1992-11-24 | 633157d5a1e3… |
| 192.251.53.0 – 192.251.53.255 | 256 | CA |
allocated | 1992-11-24 | 633157d5a1e3… |
| 192.251.54.0 – 192.251.54.255 | 256 | CA |
allocated | 1992-11-24 | 633157d5a1e3… |
| 192.251.55.0 – 192.251.55.255 | 256 | CA |
allocated | 1992-11-24 | 633157d5a1e3… |
| 192.251.56.0 – 192.251.56.255 | 256 | US |
allocated | 1992-11-24 | 042d8a4e5edc… |
| 192.251.57.0 – 192.251.57.255 | 256 | US |
allocated | 1992-11-24 | b68ce2939c7d… |
| 192.251.58.0 – 192.251.58.255 | 256 | US |
allocated | 1992-11-24 | 1578c49d4b55… |
| 192.251.59.0 – 192.251.59.255 | 256 | US |
allocated | 1992-11-24 | cf0616b8b578… |
| 192.251.60.0 – 192.251.60.255 | 256 | US |
allocated | 1992-11-24 | 92c01190bb28… |
| 192.251.66.0 – 192.251.66.255 | 256 | US |
allocated | 1992-11-24 | c8d05ad3da3e… |
| 192.251.67.0 – 192.251.67.255 | 256 | US |
allocated | 1992-11-24 | c8d05ad3da3e… |
| 192.251.68.0 – 192.251.68.255 | 256 | US |
allocated | 1992-11-24 | 3f09700fcd04… |
| 192.251.69.0 – 192.251.69.255 | 256 | US |
allocated | 1992-11-24 | 3f09700fcd04… |
| 192.251.70.0 – 192.251.70.255 | 256 | US |
allocated | 1992-11-24 | 1198ef55a947… |
| 192.251.71.0 – 192.251.71.255 | 256 | US |
allocated | 1992-11-24 | 1198ef55a947… |
| 192.251.72.0 – 192.251.72.255 | 256 | US |
allocated | 1992-11-24 | 1198ef55a947… |
| 192.251.73.0 – 192.251.73.255 | 256 | US |
allocated | 1992-11-24 | ebf2e0918fc4… |
| 192.251.74.0 – 192.251.74.255 | 256 | US |
allocated | 1992-11-24 | ebf2e0918fc4… |
| 192.251.75.0 – 192.251.75.255 | 256 | US |
allocated | 1992-11-24 | ebf2e0918fc4… |
| 192.251.76.0 – 192.251.76.255 | 256 | US |
allocated | 1992-11-24 | acd8ae27f732… |
| 192.251.77.0 – 192.251.77.255 | 256 | US |
allocated | 1992-11-24 | 1198ef55a947… |
| 192.252.64.0 – 192.252.127.255 | 16,384 | US |
allocated | 1992-11-24 | 431e65f32920… |
| 192.254.16.0 – 192.254.19.255 | 1,024 | US |
allocated | 1992-11-24 | dbf882e29aff… |
| 192.254.20.0 – 192.254.21.255 | 512 | US |
allocated | 1992-11-24 | dbf882e29aff… |
| 192.254.22.0 – 192.254.23.255 | 512 | US |
allocated | 1992-11-24 | 37c93dfd4b91… |
| 192.254.24.0 – 192.254.31.255 | 2,048 | US |
allocated | 1992-11-24 | dbf882e29aff… |
| 192.139.19.0 – 192.139.19.255 | 256 | CA |
allocated | 1992-11-23 | b65064c383c9… |
| 192.139.75.0 – 192.139.75.255 | 256 | CA |
allocated | 1992-11-23 | b9f96a72b651… |
| 192.139.76.0 – 192.139.76.255 | 256 | CA |
allocated | 1992-11-23 | b9f96a72b651… |
| 192.203.234.0 – 192.203.234.255 | 256 | US |
allocated | 1992-11-23 | 7bcc81f21acb… |
| 192.203.236.0 – 192.203.236.255 | 256 | US |
allocated | 1992-11-23 | ab742a7e6758… |
| 192.203.238.0 – 192.203.238.255 | 256 | US |
allocated | 1992-11-23 | 5ad12981fa1e… |
| 192.203.240.0 – 192.203.240.255 | 256 | US |
allocated | 1992-11-23 | a4b4612c3820… |
| 192.203.243.0 – 192.203.243.255 | 256 | US |
allocated | 1992-11-23 | d0b392e4c369… |
| 192.203.244.0 – 192.203.244.255 | 256 | US |
allocated | 1992-11-23 | d0b392e4c369… |
| 192.203.245.0 – 192.203.245.255 | 256 | US |
allocated | 1992-11-23 | d0b392e4c369… |
| 198.11.16.0 – 198.11.31.255 | 4,096 | US |
allocated | 1992-11-23 | f810cafff9d5… |
| 198.11.32.0 – 198.11.63.255 | 8,192 | US |
allocated | 1992-11-23 | ad5a266c6083… |
| 162.123.0.0 – 162.123.255.255 | 65,536 | US |
allocated | 1992-11-20 | 7a1fdc7b947d… |
| 162.124.0.0 – 162.124.255.255 | 65,536 | US |
allocated | 1992-11-20 | 0418d3fd070a… |
| 162.126.0.0 – 162.126.255.255 | 65,536 | US |
allocated | 1992-11-20 | 3634f9133741… |
| 162.127.0.0 – 162.127.255.255 | 65,536 | US |
allocated | 1992-11-20 | a53917198362… |
| 162.129.0.0 – 162.129.255.255 | 65,536 | US |
allocated | 1992-11-20 | fb9dd71544a5… |
| 162.130.0.0 – 162.130.255.255 | 65,536 | US |
allocated | 1992-11-20 | f281c70a5b4b… |
| 162.131.0.0 – 162.131.255.255 | 65,536 | US |
allocated | 1992-11-20 | f58bf5872f25… |
| 164.49.0.0 – 164.49.255.255 | 65,536 | US |
allocated | 1992-11-20 | 45fe880b68a8… |
| 192.245.221.0 – 192.245.221.255 | 256 | US |
allocated | 1992-11-20 | 968d6dea7fd0… |
| 192.245.222.0 – 192.245.223.255 | 512 | US |
allocated | 1992-11-20 | 968d6dea7fd0… |
| 192.245.224.0 – 192.245.224.255 | 256 | US |
allocated | 1992-11-20 | 968d6dea7fd0… |