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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 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… |
| 204.75.242.0 – 204.75.242.255 | 256 | US |
allocated | 1994-09-09 | 6260f7a3b921… |
| 204.75.243.0 – 204.75.243.255 | 256 | US |
allocated | 1994-09-09 | 35f487e213b4… |
| 204.75.244.0 – 204.75.244.255 | 256 | US |
allocated | 1994-09-09 | 35f487e213b4… |
| 204.75.245.0 – 204.75.245.255 | 256 | US |
allocated | 1994-09-09 | e382b1ddea5c… |
| 204.75.246.0 – 204.75.246.255 | 256 | US |
allocated | 1994-09-09 | e4878dd3bcdf… |
| 204.75.247.0 – 204.75.247.255 | 256 | US |
allocated | 1994-09-09 | 486f20734552… |
| 199.244.222.0 – 199.244.222.255 | 256 | US |
allocated | 1994-09-08 | 27efedf33049… |
| 199.244.223.0 – 199.244.223.255 | 256 | US |
allocated | 1994-09-08 | 35a4e89fed03… |
| 199.244.224.0 – 199.244.224.255 | 256 | US |
allocated | 1994-09-08 | 8b9eeb0ec333… |
| 199.244.225.0 – 199.244.225.255 | 256 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.226.0 – 199.244.227.255 | 512 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.228.0 – 199.244.229.255 | 512 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.230.0 – 199.244.230.255 | 256 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.231.0 – 199.244.231.255 | 256 | US |
allocated | 1994-09-08 | 8498f389a83a… |
| 204.75.218.0 – 204.75.218.255 | 256 | US |
allocated | 1994-09-08 | 84c80fbe20ee… |
| 204.75.219.0 – 204.75.219.255 | 256 | US |
allocated | 1994-09-08 | 4dfb48e80f0a… |
| 204.75.220.0 – 204.75.220.255 | 256 | US |
allocated | 1994-09-08 | ec6e180ecfb9… |
| 204.75.221.0 – 204.75.221.255 | 256 | US |
allocated | 1994-09-08 | ec832666d84f… |
| 204.75.222.0 – 204.75.222.255 | 256 | US |
allocated | 1994-09-08 | 5b1a1e493d26… |
| 204.75.223.0 – 204.75.223.255 | 256 | US |
allocated | 1994-09-08 | 0599b2da90f2… |
| 204.75.224.0 – 204.75.224.255 | 256 | US |
allocated | 1994-09-08 | 63c36066783c… |
| 204.75.225.0 – 204.75.225.255 | 256 | US |
allocated | 1994-09-08 | edcee9e6ddbb… |
| 204.75.226.0 – 204.75.226.255 | 256 | US |
allocated | 1994-09-08 | 4078ebe14def… |
| 204.75.227.0 – 204.75.227.255 | 256 | US |
allocated | 1994-09-08 | 7dfdc5a3b426… |
| 204.75.228.0 – 204.75.228.255 | 256 | US |
allocated | 1994-09-08 | 0e8b8e477fe0… |
| 204.142.0.0 – 204.143.255.255 | 131,072 | US |
allocated | 1994-09-08 | 9f14454567a6… |
| 168.239.0.0 – 168.239.255.255 | 65,536 | US |
allocated | 1994-09-07 | 78fc833c0b8b… |
| 199.244.205.0 – 199.244.205.255 | 256 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.206.0 – 199.244.207.255 | 512 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.208.0 – 199.244.208.255 | 256 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.209.0 – 199.244.209.255 | 256 | US |
allocated | 1994-09-07 | e8eeaa7ee173… |
| 199.244.210.0 – 199.244.211.255 | 512 | US |
allocated | 1994-09-07 | 1578c49d4b55… |
| 199.244.212.0 – 199.244.212.255 | 256 | US |
allocated | 1994-09-07 | 1578c49d4b55… |
| 199.244.213.0 – 199.244.213.255 | 256 | US |
allocated | 1994-09-07 | e2804d887b8e… |
| 199.244.214.0 – 199.244.215.255 | 512 | US |
allocated | 1994-09-07 | 7e13023e6f8a… |
| 199.244.216.0 – 199.244.219.255 | 1,024 | US |
allocated | 1994-09-07 | 7e13023e6f8a… |
| 199.254.0.0 – 199.254.7.255 | 2,048 | US |
allocated | 1994-09-07 | 0f443d34827a… |
| 204.52.64.0 – 204.52.95.255 | 8,192 | US |
allocated | 1994-09-07 | 985f9ec29035… |