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
1,645,666,816
📦
IPv4 networks
76,690
delegated blocks
🧭
IPv6 networks
11,349
delegated blocks
🔗
Autonomous systems
34,029
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.89.191.0 – 204.89.191.255 | 256 |  US |
allocated | 1994-09-16 | fad19cf0c6a6… |
| 204.89.193.0 – 204.89.193.255 | 256 | US |
allocated | 1994-09-16 | 1e68d8bf8b17… |
| 204.89.194.0 – 204.89.194.255 | 256 | US |
allocated | 1994-09-16 | fda1d62d3602… |
| 204.138.245.0 – 204.138.245.255 | 256 |  CA |
allocated | 1994-09-16 | 269e8c58ea9d… |
| 204.148.0.0 – 204.151.255.255 | 262,144 | US |
allocated | 1994-09-16 | e220ed812a4c… |
| 199.123.128.0 – 199.123.255.255 | 32,768 | US |
allocated | 1994-09-15 | 45fe880b68a8… |
| 199.248.156.0 – 199.248.156.255 | 256 | US |
allocated | 1994-09-15 | ddd942385e98… |
| 199.248.157.0 – 199.248.157.255 | 256 | US |
allocated | 1994-09-15 | 97b70ee9d33f… |
| 199.248.158.0 – 199.248.158.255 | 256 | US |
allocated | 1994-09-15 | 97b70ee9d33f… |
| 199.248.159.0 – 199.248.159.255 | 256 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.160.0 – 199.248.161.255 | 512 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.162.0 – 199.248.162.255 | 256 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.163.0 – 199.248.163.255 | 256 | US |
allocated | 1994-09-15 | b7ebdcaac2ff… |
| 204.89.156.0 – 204.89.157.255 | 512 | US |
allocated | 1994-09-15 | 6e5c9cac1b6c… |
| 204.89.162.0 – 204.89.162.255 | 256 | US |
allocated | 1994-09-15 | f30cf5f57ddd… |
| 204.89.163.0 – 204.89.163.255 | 256 | US |
allocated | 1994-09-15 | 8db8a7dbc63d… |
| 204.89.164.0 – 204.89.167.255 | 1,024 | US |
allocated | 1994-09-15 | 8db8a7dbc63d… |
| 204.89.168.0 – 204.89.168.255 | 256 | US |
allocated | 1994-09-15 | db5e8d165f23… |
| 204.89.169.0 – 204.89.169.255 | 256 | US |
allocated | 1994-09-15 | c3229d6cce85… |
| 204.89.170.0 – 204.89.170.255 | 256 | US |
allocated | 1994-09-15 | de41de287e94… |
| 204.89.171.0 – 204.89.171.255 | 256 | US |
allocated | 1994-09-15 | 94edddeaf55e… |
| 204.89.172.0 – 204.89.172.255 | 256 | US |
allocated | 1994-09-15 | 3144d37dc72a… |
| 204.106.128.0 – 204.106.191.255 | 16,384 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.106.192.0 – 204.106.223.255 | 8,192 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.106.224.0 – 204.106.227.255 | 1,024 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.114.0.0 – 204.114.7.255 | 2,048 | US |
allocated | 1994-09-15 | 4d8fbb623390… |
| 204.114.8.0 – 204.114.8.255 | 256 | US |
allocated | 1994-09-15 | 4d8fbb623390… |
| 204.114.16.0 – 204.114.23.255 | 2,048 | US |
allocated | 1994-09-15 | f5ca35b512a9… |
| 204.145.1.0 – 204.145.1.255 | 256 | US |
allocated | 1994-09-15 | 26a5512381d4… |
| 204.145.16.0 – 204.145.31.255 | 4,096 | US |
allocated | 1994-09-15 | de734fe7fe66… |
| 204.147.32.0 – 204.147.63.255 | 8,192 | US |
allocated | 1994-09-15 | e220ed812a4c… |
| 199.248.138.0 – 199.248.138.255 | 256 | US |
allocated | 1994-09-14 | 8247b7ce209d… |
| 199.248.139.0 – 199.248.139.255 | 256 | US |
allocated | 1994-09-14 | e10a109c726f… |
| 199.248.140.0 – 199.248.140.255 | 256 | US |
allocated | 1994-09-14 | 517c70558555… |
| 199.248.141.0 – 199.248.141.255 | 256 | US |
allocated | 1994-09-14 | 4eb90353073d… |
| 199.248.142.0 – 199.248.143.255 | 512 | US |
allocated | 1994-09-14 | 4eb90353073d… |
| 199.248.146.0 – 199.248.146.255 | 256 | US |
allocated | 1994-09-14 | a55eb7bc83bd… |
| 199.248.147.0 – 199.248.147.255 | 256 | US |
allocated | 1994-09-14 | 39e31acdedaa… |
| 199.248.148.0 – 199.248.151.255 | 1,024 | US |
allocated | 1994-09-14 | 278d3043dbec… |
| 199.248.152.0 – 199.248.153.255 | 512 | US |
allocated | 1994-09-14 | 278d3043dbec… |
| 199.248.154.0 – 199.248.154.255 | 256 | US |
allocated | 1994-09-14 | 4db51ee96d23… |
| 199.248.155.0 – 199.248.155.255 | 256 | US |
allocated | 1994-09-14 | fe4bea19773a… |
| 170.188.0.0 – 170.188.255.255 | 65,536 | US |
allocated | 1994-09-13 | ec7b11062e60… |
| 199.244.248.0 – 199.244.248.255 | 256 | US |
allocated | 1994-09-13 | 2b90b5aa04f0… |
| 199.248.128.0 – 199.248.131.255 | 1,024 | US |
allocated | 1994-09-13 | 324e2e8bb072… |
| 199.248.132.0 – 199.248.133.255 | 512 | US |
allocated | 1994-09-13 | 324e2e8bb072… |
| 199.248.134.0 – 199.248.135.255 | 512 | US |
allocated | 1994-09-13 | 044501d2b052… |
| 199.248.136.0 – 199.248.137.255 | 512 | US |
allocated | 1994-09-13 | 0f19cc2fad11… |
| 204.68.64.0 – 204.68.95.255 | 8,192 | US |
allocated | 1994-09-13 | d756d4b9399a… |
| 204.89.137.0 – 204.89.137.255 | 256 | US |
allocated | 1994-09-13 | 641347487118… |
| 204.89.141.0 – 204.89.141.255 | 256 | US |
allocated | 1994-09-13 | 791199626541… |
| 204.89.144.0 – 204.89.144.255 | 256 | US |
allocated | 1994-09-13 | 26aa686d7891… |
| 204.89.145.0 – 204.89.145.255 | 256 | US |
allocated | 1994-09-13 | 91823f96985c… |
| 204.89.146.0 – 204.89.146.255 | 256 | US |
allocated | 1994-09-13 | 51fd50dc0cfe… |
| 204.89.153.0 – 204.89.153.255 | 256 | US |
allocated | 1994-09-13 | d1212849aa71… |
| 204.89.154.0 – 204.89.154.255 | 256 | US |
allocated | 1994-09-13 | d1212849aa71… |
| 204.89.155.0 – 204.89.155.255 | 256 | US |
allocated | 1994-09-13 | 4bd14da25006… |
| 204.110.16.0 – 204.110.31.255 | 4,096 | US |
allocated | 1994-09-13 | 0551f3a138ed… |
| 204.144.0.0 – 204.144.7.255 | 2,048 | US |
allocated | 1994-09-13 | 1e8477e1f1a6… |
| 204.144.8.0 – 204.144.11.255 | 1,024 | US |
allocated | 1994-09-13 | 1e8477e1f1a6… |
| 204.144.16.0 – 204.144.31.255 | 4,096 | US |
allocated | 1994-09-13 | 660ceb60f1a7… |
| 168.240.0.0 – 168.240.255.255 | 65,536 | US |
allocated | 1994-09-12 | f913a810dc77… |
| 170.187.0.0 – 170.187.31.255 | 8,192 | US |
allocated | 1994-09-12 | d1f563f1cc40… |
| 170.187.64.0 – 170.187.127.255 | 16,384 | US |
allocated | 1994-09-12 | d1f563f1cc40… |
| 199.244.232.0 – 199.244.232.255 | 256 | US |
allocated | 1994-09-12 | b125b06fcbb3… |
| 199.244.233.0 – 199.244.233.255 | 256 | US |
allocated | 1994-09-12 | 8f3a4572b613… |
| 199.244.234.0 – 199.244.234.255 | 256 | US |
allocated | 1994-09-12 | 26974ac597f6… |
| 199.244.236.0 – 199.244.236.255 | 256 | US |
allocated | 1994-09-12 | 699b904d1b2f… |
| 199.244.237.0 – 199.244.237.255 | 256 | US |
allocated | 1994-09-12 | 6acd75c4a47e… |
| 199.244.238.0 – 199.244.239.255 | 512 | US |
allocated | 1994-09-12 | f20f3c5ee016… |
| 199.244.241.0 – 199.244.241.255 | 256 | US |
allocated | 1994-09-12 | 85e310af6ebc… |
| 199.244.242.0 – 199.244.242.255 | 256 | US |
allocated | 1994-09-12 | fb7569d5a514… |
| 199.244.243.0 – 199.244.243.255 | 256 | US |
allocated | 1994-09-12 | 2090a7b7238b… |
| 199.244.244.0 – 199.244.244.255 | 256 | US |
allocated | 1994-09-12 | 2090a7b7238b… |
| 199.244.247.0 – 199.244.247.255 | 256 | US |
allocated | 1994-09-12 | 59e89e911187… |
| 204.56.64.0 – 204.56.95.255 | 8,192 | US |
allocated | 1994-09-12 | e670fae6d9a1… |
| 204.56.96.0 – 204.56.127.255 | 8,192 | US |
allocated | 1994-09-12 | 1d1af4fe1e13… |
| 204.75.248.0 – 204.75.248.255 | 256 | US |
allocated | 1994-09-12 | 1648ec1eae0b… |
| 204.75.249.0 – 204.75.249.255 | 256 | US |
allocated | 1994-09-12 | ae3cb8459b41… |
| 204.75.250.0 – 204.75.251.255 | 512 | US |
allocated | 1994-09-12 | ae3cb8459b41… |
| 204.75.252.0 – 204.75.255.255 | 1,024 | US |
allocated | 1994-09-12 | ae3cb8459b41… |
| 204.89.128.0 – 204.89.128.255 | 256 | US |
allocated | 1994-09-12 | 166e6e912de0… |
| 204.89.129.0 – 204.89.129.255 | 256 | US |
allocated | 1994-09-12 | 2a3f36f46ea9… |
| 204.89.130.0 – 204.89.130.255 | 256 | US |
allocated | 1994-09-12 | 12c2a6cdb8c5… |
| 204.89.132.0 – 204.89.133.255 | 512 | US |
allocated | 1994-09-12 | ca2e412fb7a7… |
| 204.90.128.0 – 204.90.255.255 | 32,768 | US |
allocated | 1994-09-12 | 535d44b441d5… |
| 204.140.0.0 – 204.140.15.255 | 4,096 | US |
allocated | 1994-09-12 | ef4a1de2690e… |
| 204.144.32.0 – 204.144.47.255 | 4,096 | US |
allocated | 1994-09-12 | 17922c90f822… |
| 204.144.48.0 – 204.144.55.255 | 2,048 | US |
allocated | 1994-09-12 | 17922c90f822… |
| 204.144.56.0 – 204.144.56.255 | 256 | US |
allocated | 1994-09-12 | 17922c90f822… |
| 204.145.32.0 – 204.145.63.255 | 8,192 | US |
allocated | 1994-09-12 | 777f6e0884ae… |
| 204.146.0.0 – 204.146.255.255 | 65,536 | US |
allocated | 1994-09-12 | 81e05477cc28… |
| 166.95.0.0 – 166.95.255.255 | 65,536 | US |
allocated | 1994-09-09 | b0e2c1f95a40… |
| 198.187.134.0 – 198.187.134.255 | 256 | US |
allocated | 1994-09-09 | 8d7007cbc080… |
| 204.75.230.0 – 204.75.230.255 | 256 | US |
allocated | 1994-09-09 | dc7da1b58979… |
| 204.75.231.0 – 204.75.231.255 | 256 | US |
allocated | 1994-09-09 | 43a74d9803e1… |
| 204.75.232.0 – 204.75.235.255 | 1,024 | US |
allocated | 1994-09-09 | 43a74d9803e1… |
| 204.75.236.0 – 204.75.237.255 | 512 | US |
allocated | 1994-09-09 | 43a74d9803e1… |
| 204.75.239.0 – 204.75.239.255 | 256 | US |
allocated | 1994-09-09 | 2dcc50a30ac3… |
| 204.75.240.0 – 204.75.241.255 | 512 | US |
allocated | 1994-09-09 | 5373090dbe43… |