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 |
|---|---|---|---|---|---|
| 50.40.0.0 – 50.41.255.255 | 131,072 |  US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.42.0.0 – 50.42.255.255 | 65,536 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.43.0.0 – 50.43.127.255 | 32,768 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.43.128.0 – 50.43.255.255 | 32,768 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.44.0.0 – 50.44.255.255 | 65,536 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.45.0.0 – 50.45.127.255 | 32,768 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.45.128.0 – 50.45.255.255 | 32,768 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.46.0.0 – 50.47.255.255 | 131,072 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.48.0.0 – 50.51.255.255 | 262,144 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.52.0.0 – 50.52.127.255 | 32,768 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.52.128.0 – 50.52.255.255 | 32,768 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.53.0.0 – 50.53.255.255 | 65,536 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.54.0.0 – 50.54.127.255 | 32,768 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 50.54.128.0 – 50.54.255.255 | 32,768 | US |
allocated | 2010-09-24 | adc8b004b305… |
| 50.55.0.0 – 50.55.255.255 | 65,536 | US |
allocated | 2010-09-24 | e220ed812a4c… |
| 199.36.168.0 – 199.36.171.255 | 1,024 | US |
allocated | 2010-09-24 | 647aa6bd8f6f… |
| 199.36.172.0 – 199.36.175.255 | 1,024 | US |
allocated | 2010-09-24 | 2eb89daf4980… |
| 199.36.176.0 – 199.36.183.255 | 2,048 | US |
allocated | 2010-09-24 | 1a922969fbba… |
| 199.36.184.0 – 199.36.187.255 | 1,024 | US |
allocated | 2010-09-24 | 248e3f2ed9b2… |
| 204.197.128.0 – 204.197.143.255 | 4,096 | US |
allocated | 2010-09-24 | 8b7160a5496c… |
| 204.197.144.0 – 204.197.159.255 | 4,096 | US |
allocated | 2010-09-24 | 835ef6efa174… |
| 107.8.0.0 – 107.15.255.255 | 524,288 | US |
allocated | 2010-09-23 | d2fc8fbc818f… |
| 173.195.240.0 – 173.195.255.255 | 4,096 | US |
allocated | 2010-09-23 | 7dd6f0b4075f… |
| 199.36.164.0 – 199.36.167.255 | 1,024 | US |
allocated | 2010-09-23 | 84c351adcdc2… |
| 204.239.0.0 – 204.239.0.255 | 256 | US |
allocated | 2010-09-23 | 59d353b8c255… |
| 173.199.0.0 – 173.199.63.255 | 16,384 | US |
allocated | 2010-09-22 | 518993ea80aa… |
| 173.253.0.0 – 173.253.127.255 | 32,768 | US |
allocated | 2010-09-22 | c04183ccecd3… |
| 199.36.160.0 – 199.36.163.255 | 1,024 | US |
allocated | 2010-09-22 | c188ad2468e7… |
| 205.251.160.0 – 205.251.175.255 | 4,096 | US |
allocated | 2010-09-22 | 8ae2a38290ad… |
| 24.245.240.0 – 24.245.255.255 | 4,096 | US |
allocated | 2010-09-21 | b3def60477cb… |
| 173.195.224.0 – 173.195.239.255 | 4,096 | US |
allocated | 2010-09-21 | 34447ecea216… |
| 184.168.0.0 – 184.168.255.255 | 65,536 | US |
allocated | 2010-09-21 | fec517dc310c… |
| 199.36.144.0 – 199.36.151.255 | 2,048 | US |
allocated | 2010-09-21 | 2f4f2b64140d… |
| 199.36.152.0 – 199.36.159.255 | 2,048 | US |
allocated | 2010-09-21 | 9d99e3f7d38d… |
| 173.195.192.0 – 173.195.207.255 | 4,096 | US |
allocated | 2010-09-20 | 85d97ec23f6d… |
| 173.195.208.0 – 173.195.223.255 | 4,096 |  GB |
allocated | 2010-09-20 | 48a4817e381a… |
| 199.30.248.0 – 199.30.255.255 | 2,048 | US |
allocated | 2010-09-20 | 3a08bc5bdd5f… |
| 199.36.128.0 – 199.36.131.255 | 1,024 | US |
allocated | 2010-09-20 | 3b62447fcace… |
| 199.36.132.0 – 199.36.135.255 | 1,024 | US |
allocated | 2010-09-20 | 609eacfe3b7f… |
| 199.36.136.0 – 199.36.143.255 | 2,048 | US |
allocated | 2010-09-20 | 7e4e470dc225… |
| 173.195.176.0 – 173.195.191.255 | 4,096 | US |
allocated | 2010-09-17 | b62012af25a0… |
| 173.198.192.0 – 173.198.255.255 | 16,384 | US |
allocated | 2010-09-17 | 906a958514a4… |
| 199.30.228.0 – 199.30.231.255 | 1,024 | US |
allocated | 2010-09-17 | b3761858d810… |
| 199.30.241.0 – 199.30.241.255 | 256 | US |
allocated | 2010-09-17 | 000d54aa71e9… |
| 173.195.128.0 – 173.195.143.255 | 4,096 | US |
allocated | 2010-09-16 | fcc27a371679… |
| 173.195.144.0 – 173.195.159.255 | 4,096 | US |
allocated | 2010-09-16 | be9c744bd4dd… |
| 173.252.130.0 – 173.252.131.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.132.0 – 173.252.135.255 | 1,024 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.137.0 – 173.252.137.255 | 256 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.138.0 – 173.252.139.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.140.0 – 173.252.141.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.142.0 – 173.252.142.255 | 256 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.146.0 – 173.252.147.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.148.0 – 173.252.151.255 | 1,024 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.152.0 – 173.252.159.255 | 2,048 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.161.0 – 173.252.161.255 | 256 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.162.0 – 173.252.163.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.164.0 – 173.252.165.255 | 512 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.168.0 – 173.252.175.255 | 2,048 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.176.0 – 173.252.191.255 | 4,096 | US |
allocated | 2010-09-16 | 66e68ecd93af… |
| 173.252.192.0 – 173.252.255.255 | 16,384 | US |
allocated | 2010-09-16 | 311630b1339b… |
| 199.30.224.0 – 199.30.227.255 | 1,024 | US |
allocated | 2010-09-16 | be614121e0db… |
| 199.30.232.0 – 199.30.239.255 | 2,048 | US |
allocated | 2010-09-16 | 53b6fff144ea… |
| 206.214.32.0 – 206.214.47.255 | 4,096 | US |
allocated | 2010-09-16 | 970fda5f69ea… |
| 173.195.48.0 – 173.195.63.255 | 4,096 |  CA |
allocated | 2010-09-15 | 0042cdeb1e05… |
| 173.195.64.0 – 173.195.79.255 | 4,096 | US |
allocated | 2010-09-15 | 1f4dca3e4544… |
| 173.195.80.0 – 173.195.95.255 | 4,096 | US |
allocated | 2010-09-15 | fe5d2351f6d4… |
| 173.195.112.0 – 173.195.127.255 | 4,096 | US |
allocated | 2010-09-15 | f9039a8824b6… |
| 208.117.64.0 – 208.117.79.255 | 4,096 | US |
allocated | 2010-09-15 | 423b816d125c… |
| 199.30.204.0 – 199.30.207.255 | 1,024 | US |
allocated | 2010-09-14 | 68600cea0e62… |
| 199.30.208.0 – 199.30.211.255 | 1,024 | US |
allocated | 2010-09-14 | 99c7bc8385ab… |
| 199.30.212.0 – 199.30.215.255 | 1,024 | US |
allocated | 2010-09-14 | 01fd1362ea1e… |
| 204.195.128.0 – 204.195.191.255 | 16,384 | US |
allocated | 2010-09-14 | 98e6c615fd07… |
| 205.204.32.0 – 205.204.47.255 | 4,096 | US |
allocated | 2010-09-14 | e962fe5a2f86… |
| 173.195.16.0 – 173.195.31.255 | 4,096 | US |
allocated | 2010-09-13 | ef5abf1a1112… |
| 199.30.184.0 – 199.30.187.255 | 1,024 | US |
allocated | 2010-09-13 | 0ee326b9338b… |
| 199.30.188.0 – 199.30.191.255 | 1,024 | US |
allocated | 2010-09-13 | 4dd73aa18db6… |
| 199.30.192.0 – 199.30.195.255 | 1,024 | US |
allocated | 2010-09-13 | 132ce6ff8821… |
| 199.30.196.0 – 199.30.199.255 | 1,024 | US |
allocated | 2010-09-13 | 4553c03a0ee9… |
| 199.30.168.0 – 199.30.175.255 | 2,048 | US |
allocated | 2010-09-10 | 18271d0ac9aa… |
| 199.30.176.0 – 199.30.183.255 | 2,048 | CA |
allocated | 2010-09-10 | e1cfb7dcc9c6… |
| 50.5.0.0 – 50.5.255.255 | 65,536 | US |
allocated | 2010-09-09 | da30a61dbdb2… |
| 69.161.160.0 – 69.161.191.255 | 8,192 | US |
allocated | 2010-09-09 | cbf7365dac72… |
| 173.195.0.0 – 173.195.15.255 | 4,096 | US |
allocated | 2010-09-09 | f3cb8e58b641… |
| 199.30.160.0 – 199.30.167.255 | 2,048 | US |
allocated | 2010-09-09 | 0e8ca9749473… |
| 207.204.224.0 – 207.204.255.255 | 8,192 | US |
allocated | 2010-09-09 | f3cb8e58b641… |
| 207.223.32.0 – 207.223.47.255 | 4,096 | US |
allocated | 2010-09-08 | 6b641bc3edc2… |
| 207.223.48.0 – 207.223.63.255 | 4,096 | US |
allocated | 2010-09-08 | e06249c2e8f9… |
| 199.30.144.0 – 199.30.147.255 | 1,024 | US |
allocated | 2010-09-07 | 6a066418508d… |
| 199.30.148.0 – 199.30.151.255 | 1,024 | US |
allocated | 2010-09-07 | 8750f26d2be4… |
| 199.30.152.0 – 199.30.155.255 | 1,024 | US |
allocated | 2010-09-07 | 949a5a93acf5… |
| 199.30.156.0 – 199.30.159.255 | 1,024 | US |
allocated | 2010-09-07 | acf3c51611cb… |
| 207.223.16.0 – 207.223.31.255 | 4,096 | US |
allocated | 2010-09-07 | cca072a7b635… |
| 69.168.16.0 – 69.168.31.255 | 4,096 | US |
allocated | 2010-09-03 | 56f2c14d93ef… |
| 70.35.176.0 – 70.35.191.255 | 4,096 | US |
allocated | 2010-09-03 | 2988ed91d1a5… |
| 199.27.232.0 – 199.27.239.255 | 2,048 | US |
allocated | 2010-09-03 | a93773ad321b… |
| 199.27.240.0 – 199.27.247.255 | 2,048 | US |
allocated | 2010-09-03 | 34d342be0361… |
| 199.27.248.0 – 199.27.255.255 | 2,048 | US |
allocated | 2010-09-03 | 90f9e877ce83… |
| 199.30.128.0 – 199.30.131.255 | 1,024 | US |
allocated | 2010-09-03 | 5e82f43037df… |
| 205.185.112.0 – 205.185.127.255 | 4,096 | US |
allocated | 2010-09-03 | 906906387c97… |