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 |
|---|---|---|---|---|---|
| 129.41.60.0 – 129.41.61.255 | 512 |  US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.62.0 – 129.41.63.255 | 512 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.64.0 – 129.41.71.255 | 2,048 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.72.0 – 129.41.75.255 | 1,024 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.76.0 – 129.41.77.255 | 512 | US |
allocated | 1987-07-29 | 24872777a723… |
| 129.41.78.0 – 129.41.79.255 | 512 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.80.0 – 129.41.83.255 | 1,024 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.84.0 – 129.41.87.255 | 1,024 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.88.0 – 129.41.89.255 | 512 | US |
allocated | 1987-07-29 | 24872777a723… |
| 129.41.90.0 – 129.41.90.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.91.0 – 129.41.91.255 | 256 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.92.0 – 129.41.93.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.94.0 – 129.41.94.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.95.0 – 129.41.95.255 | 256 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.96.0 – 129.41.111.255 | 4,096 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.112.0 – 129.41.127.255 | 4,096 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.128.0 – 129.41.159.255 | 8,192 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.160.0 – 129.41.163.255 | 1,024 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.164.0 – 129.41.165.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.166.0 – 129.41.166.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.167.0 – 129.41.167.255 | 256 | US |
allocated | 1987-07-29 | 24872777a723… |
| 129.41.168.0 – 129.41.171.255 | 1,024 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.172.0 – 129.41.175.255 | 1,024 | US |
allocated | 1987-07-29 | 24872777a723… |
| 129.41.176.0 – 129.41.176.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.177.0 – 129.41.177.255 | 256 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.178.0 – 129.41.179.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.180.0 – 129.41.183.255 | 1,024 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.184.0 – 129.41.187.255 | 1,024 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.188.0 – 129.41.189.255 | 512 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.190.0 – 129.41.191.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.192.0 – 129.41.207.255 | 4,096 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.208.0 – 129.41.209.255 | 512 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.210.0 – 129.41.211.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.212.0 – 129.41.215.255 | 1,024 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.216.0 – 129.41.216.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.217.0 – 129.41.217.255 | 256 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.218.0 – 129.41.219.255 | 512 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.41.220.0 – 129.41.221.255 | 512 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.222.0 – 129.41.222.255 | 256 | US |
allocated | 1987-07-29 | 24872777a723… |
| 129.41.223.0 – 129.41.223.255 | 256 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.41.224.0 – 129.41.255.255 | 8,192 | US |
allocated | 1987-07-29 | 01ded2cfbf92… |
| 129.42.0.0 – 129.42.255.255 | 65,536 | US |
allocated | 1987-07-29 | 31caea8da158… |
| 129.43.0.0 – 129.43.255.255 | 65,536 | US |
allocated | 1987-07-29 | 22c14ad58b39… |
| 129.44.0.0 – 129.44.255.255 | 65,536 | US |
allocated | 1987-07-29 | e220ed812a4c… |
| 192.31.161.0 – 192.31.161.255 | 256 | US |
allocated | 1987-07-29 | 0ff513819226… |
| 129.29.0.0 – 129.29.255.255 | 65,536 | US |
allocated | 1987-07-21 | 45fe880b68a8… |
| 129.32.0.0 – 129.32.255.255 | 65,536 | US |
allocated | 1987-07-21 | fd2336fa1070… |
| 192.31.153.0 – 192.31.153.255 | 256 | US |
allocated | 1987-07-21 | b1a6704d6755… |
| 192.31.160.0 – 192.31.160.255 | 256 | US |
allocated | 1987-07-21 | 45fe880b68a8… |
| 129.25.0.0 – 129.25.255.255 | 65,536 | US |
allocated | 1987-07-20 | 290a2d702707… |
| 192.31.155.0 – 192.31.155.255 | 256 | US |
allocated | 1987-07-20 | 03772d84e56b… |
| 192.31.156.0 – 192.31.156.255 | 256 | US |
allocated | 1987-07-20 | de78695919e0… |
| 192.31.159.0 – 192.31.159.255 | 256 | US |
allocated | 1987-07-20 | b0b543385fb0… |
| 129.23.0.0 – 129.23.255.255 | 65,536 | US |
allocated | 1987-07-17 | 6b582b7da943… |
| 129.24.0.0 – 129.24.255.255 | 65,536 | US |
allocated | 1987-07-17 | e8d5be9b38c9… |
| 192.31.154.0 – 192.31.154.255 | 256 | US |
allocated | 1987-07-17 | e8d5be9b38c9… |
| 192.31.152.0 – 192.31.152.255 | 256 | US |
allocated | 1987-07-15 | c55cb003302d… |
| 129.21.0.0 – 129.21.255.255 | 65,536 | US |
allocated | 1987-07-14 | 4893e8e9b3ed… |
| 192.31.147.0 – 192.31.147.255 | 256 | US |
allocated | 1987-07-14 | 45fe880b68a8… |
| 192.31.148.0 – 192.31.148.255 | 256 | US |
allocated | 1987-07-14 | 291412511d7f… |
| 192.31.149.0 – 192.31.149.255 | 256 | US |
allocated | 1987-07-14 | dd02f9b1a9de… |
| 192.31.150.0 – 192.31.150.255 | 256 | US |
allocated | 1987-07-14 | 4e16cd00a12b… |
| 129.19.0.0 – 129.19.255.255 | 65,536 | US |
allocated | 1987-07-08 | e6fd339d7ca6… |
| 192.31.114.0 – 192.31.114.255 | 256 | US |
allocated | 1987-07-08 | b937c22d3156… |
| 192.31.115.0 – 192.31.115.255 | 256 | US |
allocated | 1987-07-08 | 0f3aa2411181… |
| 192.31.145.0 – 192.31.145.255 | 256 | US |
allocated | 1987-07-08 | 5f676a1dae02… |
| 192.31.146.0 – 192.31.146.255 | 256 | US |
allocated | 1987-07-08 | 64f5d925fdeb… |
| 129.14.0.0 – 129.14.255.255 | 65,536 | US |
allocated | 1987-06-29 | 0418d3fd070a… |
| 192.31.7.0 – 192.31.7.255 | 256 | US |
allocated | 1987-06-29 | 6f69b4fbc4a7… |
| 192.31.8.0 – 192.31.8.255 | 256 | US |
allocated | 1987-06-29 | 45fe880b68a8… |
| 192.31.108.0 – 192.31.108.255 | 256 | US |
allocated | 1987-06-29 | 6413b68f7d21… |
| 192.31.111.0 – 192.31.111.255 | 256 | US |
allocated | 1987-06-29 | 00c4f2f16a98… |
| 192.31.112.0 – 192.31.112.255 | 256 | US |
allocated | 1987-06-29 | ea9a6d6f3de0… |
| 192.31.95.0 – 192.31.95.255 | 256 | US |
allocated | 1987-06-25 | 0ff513819226… |
| 192.31.105.0 – 192.31.105.255 | 256 | US |
allocated | 1987-06-22 | 0ff513819226… |
| 128.180.0.0 – 128.180.255.255 | 65,536 | US |
allocated | 1987-06-18 | 0ded34a02ad7… |
| 129.8.0.0 – 129.8.255.255 | 65,536 | US |
allocated | 1987-06-18 | f2877a078a21… |
| 129.9.0.0 – 129.9.255.255 | 65,536 | US |
allocated | 1987-06-18 | 7f6a64906d14… |
| 129.7.0.0 – 129.7.255.255 | 65,536 | US |
allocated | 1987-06-16 | 3a3d8b044f32… |
| 192.31.100.0 – 192.31.100.255 | 256 | US |
allocated | 1987-06-16 | 45fe880b68a8… |
| 129.5.0.0 – 129.5.255.255 | 65,536 | US |
allocated | 1987-06-12 | ec481d7c38c5… |
| 129.6.0.0 – 129.6.255.255 | 65,536 | US |
allocated | 1987-06-12 | d5a025d296fe… |
| 192.31.98.0 – 192.31.98.255 | 256 | US |
allocated | 1987-06-11 | 45fe880b68a8… |
| 192.31.97.0 – 192.31.97.255 | 256 | US |
allocated | 1987-06-10 | 0a40a6588bbe… |
| 128.253.0.0 – 128.253.255.255 | 65,536 | US |
allocated | 1987-06-05 | e33c6946c6dd… |
| 128.255.0.0 – 128.255.255.255 | 65,536 | US |
allocated | 1987-06-05 | 5c1a6c2c41fb… |
| 129.1.0.0 – 129.1.255.255 | 65,536 | US |
allocated | 1987-06-05 | 5ed95550ceaa… |
| 129.15.0.0 – 129.15.255.255 | 65,536 | US |
allocated | 1987-06-05 | 991cf91104c8… |
| 192.31.90.0 – 192.31.90.255 | 256 | US |
allocated | 1987-06-05 | ce61e2983fcf… |
| 128.254.0.0 – 128.254.127.255 | 32,768 | US |
allocated | 1987-06-04 | 9fc1a9159ee4… |
| 128.244.0.0 – 128.244.255.255 | 65,536 | US |
allocated | 1987-06-03 | 6a8d7f5376c9… |
| 128.252.0.0 – 128.252.255.255 | 65,536 | US |
allocated | 1987-06-03 | 77cf484ac978… |
| 128.247.0.0 – 128.247.255.255 | 65,536 | US |
allocated | 1987-05-28 | acfc4932ac54… |
| 128.248.0.0 – 128.248.255.255 | 65,536 | US |
allocated | 1987-05-28 | d57c1a0e7da3… |
| 128.249.0.0 – 128.249.255.255 | 65,536 | US |
allocated | 1987-05-28 | 28bef9cf7e9c… |
| 192.31.83.0 – 192.31.83.255 | 256 | US |
allocated | 1987-05-22 | 3b0a1a1c95ba… |
| 192.31.84.0 – 192.31.84.255 | 256 | US |
allocated | 1987-05-22 | 1b41ed541fc3… |
| 192.31.79.0 – 192.31.79.255 | 256 | US |
allocated | 1987-05-14 | 4a22d6d601f0… |
| 192.31.75.0 – 192.31.75.255 | 256 | US |
allocated | 1987-05-10 | 45fe880b68a8… |
| 192.31.76.0 – 192.31.76.255 | 256 | US |
allocated | 1987-05-10 | 45fe880b68a8… |