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
1,644,545,792
📦
IPv4 networks
77,307
delegated blocks
🧭
IPv6 networks
11,571
delegated blocks
🔗
Autonomous systems
34,285
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 23.166.228.0 – 23.166.228.255 | 256 |  CA |
allocated | 2026-10-30 | caa18d425bf0… |
| 23.166.236.0 – 23.166.236.255 | 256 |  US |
allocated | 2026-10-30 | 7cab9b975e43… |
| 23.166.244.0 – 23.166.244.255 | 256 | US |
allocated | 2026-10-30 | 39333bc9c5ec… |
| 23.166.252.0 – 23.166.252.255 | 256 | US |
allocated | 2026-10-30 | 776ca1ee871b… |
| 48.100.0.0 – 48.101.255.255 | 131,072 | US |
allocated | 2026-10-29 | 31ce9d3a76fd… |
| 65.87.212.0 – 65.87.213.255 | 512 | US |
allocated | 2026-10-29 | 52df2f652cf5… |
| 66.150.133.0 – 66.150.133.255 | 256 | US |
allocated | 2026-10-29 | edd511597dc9… |
| 74.118.135.0 – 74.118.135.255 | 256 | US |
allocated | 2026-10-29 | 1776ef5c71cb… |
| 104.244.80.0 – 104.244.83.255 | 1,024 | US |
allocated | 2026-10-29 | db149943979e… |
| 134.49.224.0 – 134.49.227.255 | 1,024 | US |
allocated | 2026-10-29 | 838e542c8432… |
| 173.214.96.0 – 173.214.111.255 | 4,096 | US |
allocated | 2026-10-29 | 5edc763a2be7… |
| 198.151.136.0 – 198.151.136.255 | 256 | US |
allocated | 2026-10-29 | 13bf4f46abcb… |
| 23.152.44.0 – 23.152.44.255 | 256 | US |
allocated | 2026-10-28 | 5311418e82b6… |
| 23.166.164.0 – 23.166.164.255 | 256 | CA |
allocated | 2026-10-28 | 90e38ef18202… |
| 23.166.220.0 – 23.166.220.255 | 256 | US |
allocated | 2026-10-28 | 84e0e4a7e7e9… |
| 23.166.156.0 – 23.166.156.255 | 256 | US |
allocated | 2026-10-27 | 8d4f50d8e8f1… |
| 23.166.172.0 – 23.166.172.255 | 256 | US |
allocated | 2026-10-27 | 88291c1e8fd0… |
| 198.136.177.0 – 198.136.177.255 | 256 | US |
allocated | 2026-10-27 | b99e06a53b0b… |
| 23.166.100.0 – 23.166.100.255 | 256 |  TH |
allocated | 2026-10-26 | 8782b68a1849… |
| 23.166.108.0 – 23.166.108.255 | 256 | US |
allocated | 2026-10-26 | 9cefa1ed202b… |
| 23.166.116.0 – 23.166.116.255 | 256 | US |
allocated | 2026-10-26 | 76989f231d07… |
| 23.166.124.0 – 23.166.124.255 | 256 | TH |
allocated | 2026-10-26 | d84d5e6af0a7… |
| 23.166.132.0 – 23.166.132.255 | 256 | TH |
allocated | 2026-10-26 | 71422eb04c6d… |
| 23.166.140.0 – 23.166.140.255 | 256 | US |
allocated | 2026-10-26 | 31d3cc96b902… |
| 23.166.148.0 – 23.166.148.255 | 256 | TH |
allocated | 2026-10-26 | 249ccdeb768d… |
| 104.193.200.0 – 104.193.203.255 | 1,024 | US |
allocated | 2026-10-26 | 5f9059f6b6f3… |
| 143.203.68.0 – 143.203.71.255 | 1,024 | US |
allocated | 2026-10-26 | 48e4d2d5e0d9… |
| 143.203.88.0 – 143.203.91.255 | 1,024 | US |
allocated | 2026-10-26 | c738080367a0… |
| 143.203.224.0 – 143.203.227.255 | 1,024 | US |
allocated | 2026-10-26 | f4fdc5f94041… |
| 198.202.221.0 – 198.202.221.255 | 256 | US |
allocated | 2026-10-26 | 2b31e38bd339… |
| 204.124.158.0 – 204.124.158.255 | 256 | US |
allocated | 2026-10-26 | 3ac349932c34… |
| 207.188.17.0 – 207.188.17.255 | 256 | US |
allocated | 2026-10-26 | 09efa061a0d0… |
| 216.52.237.0 – 216.52.237.255 | 256 | US |
allocated | 2026-10-26 | f961cadcaaa0… |
| 23.166.52.0 – 23.166.52.255 | 256 |  IT |
allocated | 2026-10-23 | 9df167d583a6… |
| 23.166.60.0 – 23.166.60.255 | 256 | US |
allocated | 2026-10-23 | 31a7e0a2e974… |
| 23.166.68.0 – 23.166.68.255 | 256 | CA |
allocated | 2026-10-23 | b9657672d138… |
| 23.166.76.0 – 23.166.76.255 | 256 | US |
allocated | 2026-10-23 | 2e6b308ab563… |
| 23.166.84.0 – 23.166.84.255 | 256 | TH |
allocated | 2026-10-23 | 4a3df17946f7… |
| 23.166.92.0 – 23.166.92.255 | 256 |  NL |
allocated | 2026-10-23 | 277c3859eb81… |
| 162.252.192.0 – 162.252.192.255 | 256 | US |
allocated | 2026-10-23 | 26c6d22da058… |
| 23.166.36.0 – 23.166.36.255 | 256 | US |
allocated | 2026-10-22 | 707704dee65e… |
| 131.162.240.0 – 131.162.255.255 | 4,096 | US |
allocated | 2026-10-22 | 49f9bae72668… |
| 134.82.96.0 – 134.82.111.255 | 4,096 | US |
allocated | 2026-10-22 | cf4bea0a2420… |
| 198.228.124.0 – 198.228.125.255 | 512 | US |
allocated | 2026-10-22 | ef4e6e92e5f6… |
| 216.52.239.0 – 216.52.239.255 | 256 | US |
allocated | 2026-10-22 | 04f90ad1fd01… |
| 216.120.131.0 – 216.120.131.255 | 256 | CA |
allocated | 2026-10-22 | 7a986d676bcd… |
| 23.166.20.0 – 23.166.20.255 | 256 | US |
allocated | 2026-10-21 | 724bb4868071… |
| 23.166.44.0 – 23.166.44.255 | 256 |  JP |
allocated | 2026-10-21 | 9abeae8144be… |
| 69.77.32.0 – 69.77.63.255 | 8,192 | US |
allocated | 2026-10-21 | 067b2d3b7cd0… |
| 207.207.199.0 – 207.207.199.255 | 256 | US |
allocated | 2026-10-21 | 3eafb756b381… |
| 216.181.120.0 – 216.181.120.255 | 256 | US |
allocated | 2026-10-21 | 602eef2a293a… |
| 66.150.72.0 – 66.150.75.255 | 1,024 | US |
allocated | 2026-10-20 | dc9cf763d93f… |
| 155.68.0.0 – 155.68.255.255 | 65,536 | US |
allocated | 2026-10-20 | fbc324f923bf… |
| 204.52.214.0 – 204.52.214.255 | 256 | US |
allocated | 2026-10-20 | a884e0104f6c… |
| 216.52.216.0 – 216.52.217.255 | 512 | CA |
allocated | 2026-10-20 | f7f4890d2eb1… |
| 23.166.28.0 – 23.166.28.255 | 256 | US |
allocated | 2026-10-19 | 2497a33829de… |
| 43.249.172.0 – 43.249.175.255 | 1,024 | US |
allocated | 2026-10-19 | ca14a532d1a8… |
| 103.41.4.0 – 103.41.7.255 | 1,024 | US |
allocated | 2026-10-19 | ca14a532d1a8… |
| 143.203.32.0 – 143.203.35.255 | 1,024 | US |
allocated | 2026-10-19 | 61be323fd8fa… |
| 143.203.176.0 – 143.203.179.255 | 1,024 | US |
allocated | 2026-10-19 | 7937b1c2b511… |
| 192.58.180.0 – 192.58.180.255 | 256 | US |
allocated | 2026-10-19 | c0f6fcdefddc… |
| 199.84.212.0 – 199.84.215.255 | 1,024 | US |
allocated | 2026-10-19 | ae8af1cb9f22… |
| 23.165.244.0 – 23.165.244.255 | 256 | TH |
allocated | 2026-10-16 | 8e7ad2686a43… |
| 23.166.4.0 – 23.166.4.255 | 256 | US |
allocated | 2026-10-16 | 006575c60f55… |
| 23.166.12.0 – 23.166.12.255 | 256 | US |
allocated | 2026-10-16 | d4d01b894fa6… |
| 64.255.24.0 – 64.255.24.255 | 256 | US |
allocated | 2026-10-16 | 602eef2a293a… |
| 142.228.59.0 – 142.228.59.255 | 256 | CA |
allocated | 2026-10-16 | 1eb3c6deb3f6… |
| 173.214.0.0 – 173.214.31.255 | 8,192 | US |
allocated | 2026-10-16 | 993b246bacaa… |
| 192.81.48.0 – 192.81.48.255 | 256 | US |
allocated | 2026-10-16 | 602eef2a293a… |
| 207.53.248.0 – 207.53.249.255 | 512 | US |
allocated | 2026-10-16 | f98b38c6a0f7… |
| 192.30.96.0 – 192.30.96.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.40.43.0 – 192.40.43.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.40.143.0 – 192.40.143.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.40.246.0 – 192.40.246.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.58.208.0 – 192.58.208.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.58.209.0 – 192.58.209.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.81.141.0 – 192.81.141.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 192.103.124.0 – 192.103.125.255 | 512 | US |
allocated | 2026-10-15 | fbf8f47c831a… |
| 192.104.237.0 – 192.104.237.255 | 256 | US |
allocated | 2026-10-15 | 1f99f70e1cf0… |
| 198.99.8.0 – 198.99.11.255 | 1,024 | US |
allocated | 2026-10-15 | dc4492636ff9… |
| 208.90.232.0 – 208.90.235.255 | 1,024 | US |
allocated | 2026-10-15 | d4915765c6b3… |
| 23.165.212.0 – 23.165.212.255 | 256 | US |
allocated | 2026-10-14 | a00a2d931f43… |
| 23.165.228.0 – 23.165.228.255 | 256 | TH |
allocated | 2026-10-14 | 17fe22a4385b… |
| 23.165.236.0 – 23.165.236.255 | 256 | US |
allocated | 2026-10-14 | 390af976207f… |
| 23.165.252.0 – 23.165.252.255 | 256 | US |
allocated | 2026-10-14 | ba3fd0d1bb9a… |
| 140.184.24.0 – 140.184.27.255 | 1,024 | US |
allocated | 2026-10-14 | 9504b501ac24… |
| 140.184.64.0 – 140.184.95.255 | 8,192 | US |
allocated | 2026-10-14 | 9504b501ac24… |
| 140.184.128.0 – 140.184.255.255 | 32,768 | US |
allocated | 2026-10-14 | 9504b501ac24… |
| 140.232.74.0 – 140.232.75.255 | 512 | US |
allocated | 2026-10-14 | 3b70ed4f3da0… |
| 170.198.0.0 – 170.198.255.255 | 65,536 | US |
allocated | 2026-10-14 | ace55d4dc090… |
| 185.83.158.0 – 185.83.158.255 | 256 | US |
allocated | 2026-10-14 | 9c937f503083… |
| 23.165.220.0 – 23.165.220.255 | 256 | US |
allocated | 2026-10-13 | f09239e68ea4… |
| 199.45.16.0 – 199.45.19.255 | 1,024 | US |
allocated | 2026-10-13 | eb1f5f33a9e6… |
| 206.41.96.0 – 206.41.99.255 | 1,024 | US |
allocated | 2026-10-13 | 76ad4bd41a17… |
| 206.208.124.0 – 206.208.127.255 | 1,024 | US |
allocated | 2026-10-13 | b34c7ad86100… |
| 23.165.188.0 – 23.165.188.255 | 256 | US |
allocated | 2026-10-12 | 6a760cc52bdf… |
| 23.165.196.0 – 23.165.196.255 | 256 | US |
allocated | 2026-10-12 | 9aa551f661b2… |
| 23.165.204.0 – 23.165.204.255 | 256 |  SG |
allocated | 2026-10-12 | b0b6c5e8b19d… |
| 66.63.32.0 – 66.63.63.255 | 8,192 | US |
allocated | 2026-10-12 | 8007d1dcbabc… |
| 80.44.0.0 – 80.44.255.255 | 65,536 | US |
allocated | 2026-10-12 | 2fcb406955d4… |