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
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 199.254.204.0 – 199.254.204.255 | 256 | US |
allocated | 1994-10-26 | dbe2371b072c… |
| 199.254.205.0 – 199.254.205.255 | 256 | US |
allocated | 1994-10-26 | 3ccee0257388… |
| 199.254.206.0 – 199.254.206.255 | 256 | US |
allocated | 1994-10-26 | 73509ef69ba9… |
| 204.69.64.0 – 204.69.127.255 | 16,384 | US |
allocated | 1994-10-26 | cfbca700c855… |
| 204.74.64.0 – 204.74.65.255 | 512 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.68.0 – 204.74.71.255 | 1,024 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.72.0 – 204.74.72.255 | 256 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.75.0 – 204.74.75.255 | 256 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.76.0 – 204.74.77.255 | 512 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.78.0 – 204.74.78.255 | 256 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.74.81.0 – 204.74.81.255 | 256 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.82.0 – 204.74.83.255 | 512 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.84.0 – 204.74.87.255 | 1,024 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.88.0 – 204.74.95.255 | 2,048 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.96.0 – 204.74.97.255 | 512 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.98.0 – 204.74.98.255 | 256 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.116.0 – 204.74.119.255 | 1,024 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.123.0 – 204.74.123.255 | 256 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.124.0 – 204.74.125.255 | 512 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.126.0 – 204.74.126.255 | 256 | US |
allocated | 1994-10-26 | abe0e20af900… |
| 204.74.127.0 – 204.74.127.255 | 256 | US |
allocated | 1994-10-26 | e8084f776cf1… |
| 204.86.96.0 – 204.86.103.255 | 2,048 | US |
allocated | 1994-10-26 | f9cc2300b42c… |
| 204.107.172.0 – 204.107.172.255 | 256 | US |
allocated | 1994-10-26 | dbe4d6907c01… |
| 204.107.173.0 – 204.107.173.255 | 256 | US |
allocated | 1994-10-26 | ba13069990e6… |
| 204.107.176.0 – 204.107.176.255 | 256 | US |
allocated | 1994-10-26 | 1d08fe8c7e84… |
| 204.107.177.0 – 204.107.177.255 | 256 | US |
allocated | 1994-10-26 | 490fcea5184c… |
| 204.107.179.0 – 204.107.179.255 | 256 | US |
allocated | 1994-10-26 | f056ca35a840… |
| 204.107.180.0 – 204.107.180.255 | 256 | US |
allocated | 1994-10-26 | 846afb2e3b4c… |
| 204.107.181.0 – 204.107.181.255 | 256 | US |
allocated | 1994-10-26 | 6627034b3b8b… |
| 204.107.182.0 – 204.107.182.255 | 256 | US |
allocated | 1994-10-26 | 1845f7cf5a1c… |
| 204.107.183.0 – 204.107.183.255 | 256 | US |
allocated | 1994-10-26 | 429e9b0cff4b… |
| 204.107.184.0 – 204.107.184.255 | 256 | US |
allocated | 1994-10-26 | b8cab65ae58b… |
| 204.107.185.0 – 204.107.185.255 | 256 | US |
allocated | 1994-10-26 | 97c8b952b3be… |
| 204.114.128.0 – 204.114.255.255 | 32,768 | US |
allocated | 1994-10-26 | 39f75bb359c4… |
| 204.115.232.0 – 204.115.239.255 | 2,048 | US |
allocated | 1994-10-26 | 1c4c6b568968… |
| 204.115.240.0 – 204.115.247.255 | 2,048 | US |
allocated | 1994-10-26 | 214cff22137b… |
| 204.115.248.0 – 204.115.251.255 | 1,024 | US |
allocated | 1994-10-26 | 3dc82bc9c997… |
| 204.115.252.0 – 204.115.253.255 | 512 | US |
allocated | 1994-10-26 | 3dc82bc9c997… |
| 204.124.132.0 – 204.124.135.255 | 1,024 | US |
allocated | 1994-10-26 | 9862e2e930b8… |
| 204.124.136.0 – 204.124.139.255 | 1,024 | US |
allocated | 1994-10-26 | 5ff8bbfe998b… |
| 204.126.64.0 – 204.126.65.255 | 512 | US |
allocated | 1994-10-26 | 1b681ad1defd… |
| 204.126.66.0 – 204.126.67.255 | 512 | US |
allocated | 1994-10-26 | 033cc314afa6… |
| 204.126.68.0 – 204.126.69.255 | 512 | US |
allocated | 1994-10-26 | 2305910a1604… |
| 204.126.72.0 – 204.126.72.255 | 256 | US |
allocated | 1994-10-26 | be87a6f57401… |
| 204.154.160.0 – 204.154.167.255 | 2,048 | US |
allocated | 1994-10-26 | d5ad72bf819c… |
| 204.156.128.0 – 204.156.159.255 | 8,192 | US |
allocated | 1994-10-26 | 9f14454567a6… |
| 204.175.0.0 – 204.175.255.255 | 65,536 | US |
allocated | 1994-10-26 | e220ed812a4c… |
| 168.254.0.0 – 168.254.255.255 | 65,536 | US |
allocated | 1994-10-25 | b92661d4366b… |
| 198.200.147.0 – 198.200.147.255 | 256 | US |
allocated | 1994-10-25 | a140e131c3f7… |
| 198.203.44.0 – 198.203.47.255 | 1,024 | US |
allocated | 1994-10-25 | bd58d0d4ba37… |
| 198.203.48.0 – 198.203.63.255 | 4,096 | US |
allocated | 1994-10-25 | bd58d0d4ba37… |
| 199.254.193.0 – 199.254.193.255 | 256 | US |
allocated | 1994-10-25 | 396c94b154c3… |
| 199.254.194.0 – 199.254.194.255 | 256 | US |
allocated | 1994-10-25 | 410d4b6b69f2… |
| 199.254.195.0 – 199.254.195.255 | 256 | US |
allocated | 1994-10-25 | c6c5f36160e5… |
| 199.254.196.0 – 199.254.196.255 | 256 | US |
allocated | 1994-10-25 | 657139a20f56… |
| 199.254.197.0 – 199.254.197.255 | 256 | US |
allocated | 1994-10-25 | c8f3675f73f0… |
| 204.107.171.0 – 204.107.171.255 | 256 | US |
allocated | 1994-10-25 | d8614c1a9907… |
| 204.115.216.0 – 204.115.223.255 | 2,048 | US |
allocated | 1994-10-25 | 7662e244314b… |