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 |
|---|---|---|---|---|---|
| 199.254.225.0 – 199.254.225.255 | 256 |  US |
allocated | 1994-11-03 | a5f733e8c8be… |
| 199.254.226.0 – 199.254.226.255 | 256 | US |
allocated | 1994-11-03 | abd3d9b1ae33… |
| 199.254.227.0 – 199.254.227.255 | 256 | US |
allocated | 1994-11-03 | 7e28288b54ae… |
| 199.254.228.0 – 199.254.228.255 | 256 | US |
allocated | 1994-11-03 | 6f19acefe78b… |
| 199.254.230.0 – 199.254.230.255 | 256 | US |
allocated | 1994-11-03 | 6d45068aa074… |
| 199.254.231.0 – 199.254.231.255 | 256 | US |
allocated | 1994-11-03 | 94922dd6e59d… |
| 199.254.232.0 – 199.254.232.255 | 256 | US |
allocated | 1994-11-03 | cb1ae603a5cd… |
| 199.254.233.0 – 199.254.233.255 | 256 | US |
allocated | 1994-11-03 | ec00392cb273… |
| 199.254.234.0 – 199.254.234.255 | 256 | US |
allocated | 1994-11-03 | fbcd3d527713… |
| 199.254.236.0 – 199.254.236.255 | 256 | US |
allocated | 1994-11-03 | e164b6381bfa… |
| 199.254.237.0 – 199.254.237.255 | 256 | US |
allocated | 1994-11-03 | e7eee3ab7cf2… |
| 199.254.239.0 – 199.254.239.255 | 256 | US |
allocated | 1994-11-03 | c9113552499d… |
| 199.254.240.0 – 199.254.240.255 | 256 | US |
allocated | 1994-11-03 | 8d672d4ab549… |
| 204.107.213.0 – 204.107.213.255 | 256 | US |
allocated | 1994-11-03 | 4fa02089a4d9… |
| 204.107.214.0 – 204.107.214.255 | 256 | US |
allocated | 1994-11-03 | bd70fa401b58… |
| 204.107.215.0 – 204.107.215.255 | 256 | US |
allocated | 1994-11-03 | 5b867c855c25… |
| 204.107.217.0 – 204.107.217.255 | 256 | US |
allocated | 1994-11-03 | f085860fbf31… |
| 204.107.218.0 – 204.107.218.255 | 256 | US |
allocated | 1994-11-03 | 908b1be0ba63… |
| 204.107.219.0 – 204.107.219.255 | 256 | US |
allocated | 1994-11-03 | 19104633f8c6… |
| 204.107.220.0 – 204.107.220.255 | 256 | US |
allocated | 1994-11-03 | 4cfb5eb6c9f0… |
| 204.107.221.0 – 204.107.221.255 | 256 | US |
allocated | 1994-11-03 | f07fa492f47b… |
| 204.107.222.0 – 204.107.222.255 | 256 | US |
allocated | 1994-11-03 | 7f092f6e9749… |
| 204.152.34.0 – 204.152.35.255 | 512 | US |
allocated | 1994-11-03 | 1e4ef015c4d9… |
| 204.153.76.0 – 204.153.79.255 | 1,024 | US |
allocated | 1994-11-03 | 3a409250aa8e… |
| 204.153.80.0 – 204.153.83.255 | 1,024 | US |
allocated | 1994-11-03 | 73140e517da1… |
| 204.153.84.0 – 204.153.87.255 | 1,024 | US |
allocated | 1994-11-03 | f1ee0b88a788… |
| 204.153.88.0 – 204.153.91.255 | 1,024 | US |
allocated | 1994-11-03 | 9a65a87e3abf… |
| 204.154.184.0 – 204.154.191.255 | 2,048 | US |
allocated | 1994-11-03 | a8d01cd9eabe… |
| 204.155.144.0 – 204.155.159.255 | 4,096 | US |
allocated | 1994-11-03 | af4e41ea70cd… |
| 169.133.0.0 – 169.133.255.255 | 65,536 | US |
allocated | 1994-11-02 | b1e70f03535c… |
| 199.254.218.0 – 199.254.218.255 | 256 | US |
allocated | 1994-11-02 | 18b91283e195… |
| 199.254.219.0 – 199.254.219.255 | 256 | US |
allocated | 1994-11-02 | f2b30e34ee66… |
| 199.254.220.0 – 199.254.220.255 | 256 | US |
allocated | 1994-11-02 | a4b864981c81… |
| 199.254.221.0 – 199.254.221.255 | 256 | US |
allocated | 1994-11-02 | 443dc0c8dbc6… |
| 199.254.222.0 – 199.254.222.255 | 256 | US |
allocated | 1994-11-02 | 20851923178a… |
| 199.254.223.0 – 199.254.223.255 | 256 | US |
allocated | 1994-11-02 | 178d9ec88ca8… |
| 204.110.208.0 – 204.110.215.255 | 2,048 | US |
allocated | 1994-11-02 | e003edef44ea… |
| 204.110.216.0 – 204.110.217.255 | 512 | US |
allocated | 1994-11-02 | e003edef44ea… |
| 204.126.74.0 – 204.126.75.255 | 512 | US |
allocated | 1994-11-02 | dfbeaa6c0680… |
| 169.131.0.0 – 169.131.255.255 | 65,536 | US |
allocated | 1994-11-01 | b89440e405b5… |
| 169.132.0.0 – 169.132.255.255 | 65,536 | US |
allocated | 1994-11-01 | 278d3043dbec… |
| 199.254.216.0 – 199.254.216.255 | 256 | US |
allocated | 1994-11-01 | 04b84ff8cceb… |
| 199.254.217.0 – 199.254.217.255 | 256 | US |
allocated | 1994-11-01 | 7710f9181221… |
| 204.107.199.0 – 204.107.199.255 | 256 | US |
allocated | 1994-11-01 | 5b88cabff41b… |
| 204.107.200.0 – 204.107.200.255 | 256 | US |
allocated | 1994-11-01 | 8149241deea6… |
| 204.107.201.0 – 204.107.201.255 | 256 | US |
allocated | 1994-11-01 | 8d9ed68cd1bf… |
| 204.107.202.0 – 204.107.202.255 | 256 | US |
allocated | 1994-11-01 | 0e9417ccc322… |
| 204.107.203.0 – 204.107.203.255 | 256 | US |
allocated | 1994-11-01 | bf47623a7817… |
| 204.107.205.0 – 204.107.205.255 | 256 | US |
allocated | 1994-11-01 | d23d8ae2e399… |
| 204.107.206.0 – 204.107.206.255 | 256 | US |
allocated | 1994-11-01 | deaca24ccba1… |
| 204.107.207.0 – 204.107.207.255 | 256 | US |
allocated | 1994-11-01 | 4a0555ab378d… |
| 204.107.208.0 – 204.107.208.255 | 256 | US |
allocated | 1994-11-01 | 1e40e9eb050a… |
| 204.107.209.0 – 204.107.209.255 | 256 | US |
allocated | 1994-11-01 | 6af3dbdad10c… |
| 204.107.212.0 – 204.107.212.255 | 256 | US |
allocated | 1994-11-01 | ccc90121f86e… |
| 204.110.192.0 – 204.110.207.255 | 4,096 | US |
allocated | 1994-11-01 | 7710f9181221… |
| 204.152.30.0 – 204.152.31.255 | 512 | US |
allocated | 1994-11-01 | e220ed812a4c… |
| 204.152.32.0 – 204.152.33.255 | 512 | US |
allocated | 1994-11-01 | bee49aa9680c… |
| 204.154.176.0 – 204.154.183.255 | 2,048 | US |
allocated | 1994-11-01 | bd8da0bffa1d… |
| 152.135.0.0 – 152.135.255.255 | 65,536 | US |
allocated | 1994-10-31 | ed6087baef38… |
| 199.254.208.0 – 199.254.208.255 | 256 | US |
allocated | 1994-10-31 | ee5025656314… |
| 199.254.209.0 – 199.254.209.255 | 256 | US |
allocated | 1994-10-31 | 316e553098dd… |
| 199.254.210.0 – 199.254.210.255 | 256 | US |
allocated | 1994-10-31 | 222d64b52891… |
| 199.254.211.0 – 199.254.211.255 | 256 | US |
allocated | 1994-10-31 | 76ce7d95b91c… |
| 199.254.212.0 – 199.254.212.255 | 256 | US |
allocated | 1994-10-31 | 4bc9960d0864… |
| 199.254.213.0 – 199.254.213.255 | 256 | US |
allocated | 1994-10-31 | da56ae7d8e97… |
| 199.254.214.0 – 199.254.214.255 | 256 | US |
allocated | 1994-10-31 | 8f52f5c7f151… |
| 199.254.215.0 – 199.254.215.255 | 256 | US |
allocated | 1994-10-31 | 71a67f14563e… |
| 204.63.128.0 – 204.63.131.255 | 1,024 | US |
allocated | 1994-10-31 | 3eeabfeb5901… |
| 204.63.132.0 – 204.63.132.255 | 256 | US |
allocated | 1994-10-31 | 3eeabfeb5901… |
| 204.77.64.0 – 204.77.127.255 | 16,384 | US |
allocated | 1994-10-31 | 2f7c94f6f9ac… |
| 204.107.198.0 – 204.107.198.255 | 256 | US |
allocated | 1994-10-31 | 79badf7dce16… |
| 204.152.26.0 – 204.152.27.255 | 512 | US |
allocated | 1994-10-31 | e43f12c6ea05… |
| 204.152.28.0 – 204.152.29.255 | 512 | US |
allocated | 1994-10-31 | 42e9817fdabb… |
| 204.153.68.0 – 204.153.71.255 | 1,024 | US |
allocated | 1994-10-31 | e220ed812a4c… |
| 204.153.72.0 – 204.153.73.255 | 512 | US |
allocated | 1994-10-31 | 0418d3fd070a… |
| 204.153.74.0 – 204.153.75.255 | 512 | US |
allocated | 1994-10-31 | e29fea950b14… |
| 204.75.64.0 – 204.75.127.255 | 16,384 | US |
allocated | 1994-10-28 | c45045e7ade7… |
| 204.107.186.0 – 204.107.186.255 | 256 | US |
allocated | 1994-10-28 | e134dc6be205… |
| 204.107.187.0 – 204.107.187.255 | 256 | US |
allocated | 1994-10-28 | 9ff9d854f850… |
| 204.107.188.0 – 204.107.188.255 | 256 | US |
allocated | 1994-10-28 | de3bf422b262… |
| 204.107.189.0 – 204.107.189.255 | 256 | US |
allocated | 1994-10-28 | e5109a91de4e… |
| 204.107.190.0 – 204.107.190.255 | 256 | US |
allocated | 1994-10-28 | a2cb2bcb16f1… |
| 204.107.191.0 – 204.107.191.255 | 256 | US |
allocated | 1994-10-28 | 7f49bbe2f0af… |
| 204.107.192.0 – 204.107.192.255 | 256 | US |
allocated | 1994-10-28 | 376de65c01bd… |
| 204.107.193.0 – 204.107.193.255 | 256 | US |
allocated | 1994-10-28 | 2d446435df31… |
| 204.107.194.0 – 204.107.194.255 | 256 | US |
allocated | 1994-10-28 | 75369766cca1… |
| 204.107.195.0 – 204.107.195.255 | 256 | US |
allocated | 1994-10-28 | 01ded2cfbf92… |
| 204.107.196.0 – 204.107.196.255 | 256 | US |
allocated | 1994-10-28 | 06251d9aedbf… |
| 204.107.197.0 – 204.107.197.255 | 256 | US |
allocated | 1994-10-28 | cec33ec68723… |
| 204.153.64.0 – 204.153.65.255 | 512 | US |
allocated | 1994-10-28 | 2e644e8f2386… |
| 204.153.66.0 – 204.153.66.255 | 256 | US |
allocated | 1994-10-28 | 2e644e8f2386… |
| 155.63.0.0 – 155.63.255.255 | 65,536 | US |
allocated | 1994-10-27 | fcb3add07658… |
| 169.130.0.0 – 169.130.255.255 | 65,536 | US |
allocated | 1994-10-27 | 6c065d5b54b8… |
| 149.73.0.0 – 149.73.255.255 | 65,536 | US |
allocated | 1994-10-26 | 941c5163fd07… |
| 169.128.32.0 – 169.128.47.255 | 4,096 | US |
allocated | 1994-10-26 | 9c65e503bb75… |
| 199.254.198.0 – 199.254.198.255 | 256 | US |
allocated | 1994-10-26 | a06ad92c4ade… |
| 199.254.200.0 – 199.254.200.255 | 256 | US |
allocated | 1994-10-26 | 84dd67bbce3c… |
| 199.254.201.0 – 199.254.201.255 | 256 | US |
allocated | 1994-10-26 | 8847abf97eed… |
| 199.254.202.0 – 199.254.202.255 | 256 | US |
allocated | 1994-10-26 | 86625d8358b2… |
| 199.254.203.0 – 199.254.203.255 | 256 | US |
allocated | 1994-10-26 | b2b3745f6da1… |