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
1,645,582,848
📦
IPv4 networks
76,670
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,007
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.10.148.0 – 199.10.148.255 | 256 |  US |
allocated | 1994-02-02 | 45fe880b68a8… |
| 199.10.149.0 – 199.10.149.255 | 256 | US |
allocated | 1994-02-02 | 45fe880b68a8… |
| 199.43.4.0 – 199.43.7.255 | 1,024 | US |
allocated | 1994-02-02 | a7e1bee7aba7… |
| 199.43.8.0 – 199.43.15.255 | 2,048 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.16.0 – 199.43.17.255 | 512 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.20.0 – 199.43.23.255 | 1,024 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.24.0 – 199.43.31.255 | 2,048 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.32.0 – 199.43.39.255 | 2,048 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.40.0 – 199.43.43.255 | 1,024 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.44.0 – 199.43.44.255 | 256 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.46.0 – 199.43.47.255 | 512 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.48.0 – 199.43.55.255 | 2,048 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.56.0 – 199.43.59.255 | 1,024 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.60.0 – 199.43.61.255 | 512 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.62.0 – 199.43.62.255 | 256 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.64.0 – 199.43.95.255 | 8,192 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.96.0 – 199.43.103.255 | 2,048 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.43.104.0 – 199.43.107.255 | 1,024 | US |
allocated | 1994-02-02 | 2c8b166870cf… |
| 199.60.49.0 – 199.60.49.255 | 256 |  CA |
allocated | 1994-02-02 | a69da9e8b990… |
| 199.79.155.0 – 199.79.155.255 | 256 | US |
allocated | 1994-02-02 | decb48499fa3… |
| 199.79.157.0 – 199.79.157.255 | 256 | US |
allocated | 1994-02-02 | 3ca8cf376161… |
| 199.79.158.0 – 199.79.158.255 | 256 | US |
allocated | 1994-02-02 | 89de288518de… |
| 199.79.159.0 – 199.79.159.255 | 256 | US |
allocated | 1994-02-02 | e0e70bd8ff4f… |
| 199.79.160.0 – 199.79.161.255 | 512 | US |
allocated | 1994-02-02 | a32211558f5c… |
| 199.79.162.0 – 199.79.162.255 | 256 | US |
allocated | 1994-02-02 | a32211558f5c… |
| 199.79.163.0 – 199.79.163.255 | 256 | US |
allocated | 1994-02-02 | 45ef882ff664… |
| 199.79.164.0 – 199.79.164.255 | 256 | US |
allocated | 1994-02-02 | c3f33282debc… |
| 199.79.165.0 – 199.79.165.255 | 256 | US |
allocated | 1994-02-02 | eeb6ddeed2e0… |
| 199.79.166.0 – 199.79.166.255 | 256 | US |
allocated | 1994-02-02 | eeb6ddeed2e0… |
| 199.79.167.0 – 199.79.167.255 | 256 | US |
allocated | 1994-02-02 | 18fc06fe8113… |
| 199.79.168.0 – 199.79.171.255 | 1,024 | US |
allocated | 1994-02-02 | 0a7317cc1a4c… |
| 199.85.201.0 – 199.85.201.255 | 256 | CA |
allocated | 1994-02-02 | aaa9a4ea5f59… |
| 199.102.32.0 – 199.102.39.255 | 2,048 | US |
allocated | 1994-02-02 | ed09c183ff84… |
| 199.102.40.0 – 199.102.43.255 | 1,024 | US |
allocated | 1994-02-02 | ed09c183ff84… |
| 199.127.0.0 – 199.127.7.255 | 2,048 | US |
allocated | 1994-02-02 | 605b039d9146… |
| 199.164.16.0 – 199.164.31.255 | 4,096 | US |
allocated | 1994-02-02 | 72b85d56096c… |
| 199.165.0.0 – 199.165.7.255 | 2,048 | US |
allocated | 1994-02-02 | 8970eb054216… |
| 199.165.8.0 – 199.165.11.255 | 1,024 | US |
allocated | 1994-02-02 | 8970eb054216… |
| 199.165.16.0 – 199.165.31.255 | 4,096 | US |
allocated | 1994-02-02 | 4faaa718d0c2… |
| 199.166.2.0 – 199.166.2.255 | 256 | CA |
allocated | 1994-02-02 | a2618b224c44… |
| 199.166.4.0 – 199.166.4.255 | 256 | CA |
allocated | 1994-02-02 | 02212995bdfb… |
| 199.166.5.0 – 199.166.5.255 | 256 | CA |
allocated | 1994-02-02 | 32a0772159da… |
| 199.166.6.0 – 199.166.6.255 | 256 | CA |
allocated | 1994-02-02 | e23cabb7a6c5… |
| 199.166.7.0 – 199.166.7.255 | 256 | CA |
allocated | 1994-02-02 | a3f1744fbaa9… |
| 199.166.32.0 – 199.166.33.255 | 512 | US |
allocated | 1994-02-02 | e65f10104bf2… |
| 199.166.38.0 – 199.166.38.255 | 256 | CA |
allocated | 1994-02-02 | ca1c1092ffea… |
| 199.166.39.0 – 199.166.39.255 | 256 | CA |
allocated | 1994-02-02 | 321a6ed8c35a… |
| 199.166.40.0 – 199.166.47.255 | 2,048 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.48.0 – 199.166.63.255 | 4,096 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.64.0 – 199.166.127.255 | 16,384 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.128.0 – 199.166.159.255 | 8,192 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.160.0 – 199.166.175.255 | 4,096 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.176.0 – 199.166.183.255 | 2,048 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.184.0 – 199.166.187.255 | 1,024 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.188.0 – 199.166.189.255 | 512 | CA |
allocated | 1994-02-02 | 72baea492f34… |
| 199.166.190.0 – 199.166.191.255 | 512 | CA |
allocated | 1994-02-02 | d9126823604f… |
| 199.166.192.0 – 199.166.193.255 | 512 | CA |
allocated | 1994-02-02 | d9126823604f… |
| 199.166.194.0 – 199.166.194.255 | 256 | CA |
allocated | 1994-02-02 | 3d1acef8cf5d… |
| 199.166.195.0 – 199.166.195.255 | 256 | CA |
allocated | 1994-02-02 | fe79867019d7… |
| 199.166.196.0 – 199.166.197.255 | 512 | CA |
allocated | 1994-02-02 | fe79867019d7… |
| 199.166.200.0 – 199.166.203.255 | 1,024 | CA |
allocated | 1994-02-02 | a3bbbc2ee99c… |
| 199.166.204.0 – 199.166.204.255 | 256 | CA |
allocated | 1994-02-02 | cffafe86371d… |
| 199.166.205.0 – 199.166.205.255 | 256 | CA |
allocated | 1994-02-02 | 393e3c9fc630… |
| 199.166.206.0 – 199.166.206.255 | 256 | CA |
allocated | 1994-02-02 | c23431d02096… |
| 199.166.208.0 – 199.166.208.255 | 256 | CA |
allocated | 1994-02-02 | 8227e0491d41… |
| 199.166.210.0 – 199.166.210.255 | 256 | CA |
allocated | 1994-02-02 | e23cabb7a6c5… |
| 199.166.211.0 – 199.166.211.255 | 256 | CA |
allocated | 1994-02-02 | 8be6625bf730… |
| 199.166.212.0 – 199.166.212.255 | 256 | CA |
allocated | 1994-02-02 | 1b01a755d5ee… |
| 199.166.213.0 – 199.166.213.255 | 256 | CA |
allocated | 1994-02-02 | e43d73eac123… |
| 199.166.214.0 – 199.166.215.255 | 512 | CA |
allocated | 1994-02-02 | 3d7fd17ae094… |
| 199.166.216.0 – 199.166.217.255 | 512 | US |
allocated | 1994-02-02 | 7c81e995d31c… |
| 199.166.218.0 – 199.166.218.255 | 256 | US |
allocated | 1994-02-02 | 7c81e995d31c… |
| 199.166.219.0 – 199.166.219.255 | 256 | CA |
allocated | 1994-02-02 | 5fa5667c0b53… |
| 199.166.220.0 – 199.166.223.255 | 1,024 | CA |
allocated | 1994-02-02 | ff45b04665a8… |
| 199.166.224.0 – 199.166.225.255 | 512 | CA |
allocated | 1994-02-02 | c4d3f700bef2… |
| 199.166.226.0 – 199.166.226.255 | 256 | CA |
allocated | 1994-02-02 | ce6b54700c4d… |
| 199.166.227.0 – 199.166.227.255 | 256 | CA |
allocated | 1994-02-02 | 67db57bbbbca… |
| 199.166.228.0 – 199.166.228.255 | 256 | CA |
allocated | 1994-02-02 | 67db57bbbbca… |
| 199.166.229.0 – 199.166.229.255 | 256 | CA |
allocated | 1994-02-02 | e4bf6ed7bdd5… |
| 199.166.230.0 – 199.166.231.255 | 512 | CA |
allocated | 1994-02-02 | 882dd232c042… |
| 199.166.232.0 – 199.166.233.255 | 512 | CA |
allocated | 1994-02-02 | 882dd232c042… |
| 199.166.234.0 – 199.166.235.255 | 512 | CA |
allocated | 1994-02-02 | 8618695a4749… |
| 199.166.237.0 – 199.166.237.255 | 256 | CA |
allocated | 1994-02-02 | a4a3568ef2e1… |
| 199.166.238.0 – 199.166.238.255 | 256 | CA |
allocated | 1994-02-02 | d9126823604f… |
| 199.166.239.0 – 199.166.239.255 | 256 | CA |
allocated | 1994-02-02 | d9126823604f… |
| 199.166.246.0 – 199.166.246.255 | 256 | CA |
allocated | 1994-02-02 | 8faa77c9cf74… |
| 199.166.252.0 – 199.166.252.255 | 256 | CA |
allocated | 1994-02-02 | 62366ac79902… |
| 199.166.254.0 – 199.166.254.255 | 256 | CA |
allocated | 1994-02-02 | f36858a20ebc… |
| 6.0.0.0 – 6.255.255.255 | 16,777,216 | US |
allocated | 1994-02-01 | 45fe880b68a8… |
| 168.71.0.0 – 168.71.255.255 | 65,536 | US |
allocated | 1994-02-01 | ab3c2b77bade… |
| 168.72.0.0 – 168.72.255.255 | 65,536 | US |
allocated | 1994-02-01 | 0418d3fd070a… |
| 198.185.247.0 – 198.185.247.255 | 256 | US |
allocated | 1994-02-01 | 6136d56adb6b… |
| 198.185.248.0 – 198.185.249.255 | 512 | US |
allocated | 1994-02-01 | 6136d56adb6b… |
| 198.185.250.0 – 198.185.251.255 | 512 | US |
allocated | 1994-02-01 | de71c89f1523… |
| 198.185.252.0 – 198.185.255.255 | 1,024 | US |
allocated | 1994-02-01 | de71c89f1523… |
| 199.43.3.0 – 199.43.3.255 | 256 | CA |
allocated | 1994-02-01 | 5be953486a32… |
| 199.71.192.0 – 199.71.207.255 | 4,096 | CA |
allocated | 1994-02-01 | af27dc98b8e9… |
| 199.79.136.0 – 199.79.136.255 | 256 | US |
allocated | 1994-02-01 | ea3042e1d7d4… |
| 199.79.137.0 – 199.79.137.255 | 256 | US |
allocated | 1994-02-01 | 4480f87f28a1… |
| 199.79.138.0 – 199.79.138.255 | 256 | US |
allocated | 1994-02-01 | adf6ef6b3975… |