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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 170.211.0.0 – 170.211.255.255 | 65,536 |  US |
allocated | 1995-01-30 | f5663bf06629… |
| 199.253.176.0 – 199.253.179.255 | 1,024 | US |
allocated | 1995-01-30 | b55a67adc8f0… |
| 199.253.180.0 – 199.253.180.255 | 256 | US |
allocated | 1995-01-30 | b55a67adc8f0… |
| 204.58.172.0 – 204.58.175.255 | 1,024 | US |
allocated | 1995-01-30 | e05cd7cfa693… |
| 204.87.204.0 – 204.87.204.255 | 256 | US |
allocated | 1995-01-30 | 6d7af427c287… |
| 204.87.207.0 – 204.87.207.255 | 256 | US |
allocated | 1995-01-30 | 6d181216383c… |
| 204.87.208.0 – 204.87.208.255 | 256 | US |
allocated | 1995-01-30 | 6a2bec1ff1c3… |
| 204.87.209.0 – 204.87.209.255 | 256 | US |
allocated | 1995-01-30 | a2151e2e8e1a… |
| 204.87.210.0 – 204.87.210.255 | 256 | US |
allocated | 1995-01-30 | d681c2f0f261… |
| 204.87.211.0 – 204.87.211.255 | 256 | US |
allocated | 1995-01-30 | 1710c052ab15… |
| 204.87.212.0 – 204.87.212.255 | 256 | US |
allocated | 1995-01-30 | 3565847447e6… |
| 204.87.213.0 – 204.87.213.255 | 256 | US |
allocated | 1995-01-30 | d7bb66bf7237… |
| 204.87.214.0 – 204.87.214.255 | 256 | US |
allocated | 1995-01-30 | 0bdbb2c32552… |
| 204.87.215.0 – 204.87.215.255 | 256 | US |
allocated | 1995-01-30 | 936b7e34648d… |
| 204.126.164.0 – 204.126.165.255 | 512 | US |
allocated | 1995-01-30 | 6d6d4b7aa97c… |
| 204.126.166.0 – 204.126.167.255 | 512 | US |
allocated | 1995-01-30 | 7002c03c4fca… |
| 204.126.170.0 – 204.126.171.255 | 512 | US |
allocated | 1995-01-30 | 4341a1dc732b… |
| 204.126.172.0 – 204.126.173.255 | 512 | US |
allocated | 1995-01-30 | c09a4812c1be… |
| 204.145.252.0 – 204.145.253.255 | 512 | US |
allocated | 1995-01-30 | 4e4147677985… |
| 204.145.254.0 – 204.145.254.255 | 256 | US |
allocated | 1995-01-30 | 4e4147677985… |
| 192.103.5.0 – 192.103.5.255 | 256 | US |
allocated | 1995-01-27 | 2297c9d34c25… |
| 204.58.156.0 – 204.58.159.255 | 1,024 | US |
allocated | 1995-01-27 | e70b407326ed… |
| 204.58.160.0 – 204.58.167.255 | 2,048 | US |
allocated | 1995-01-27 | e70b407326ed… |
| 204.58.168.0 – 204.58.171.255 | 1,024 | US |
allocated | 1995-01-27 | 9b4fa795f4d6… |
| 204.126.158.0 – 204.126.159.255 | 512 | US |
allocated | 1995-01-27 | 17c6f8bef293… |
| 204.126.162.0 – 204.126.163.255 | 512 | US |
allocated | 1995-01-27 | 6dbcac1e5b3d… |
| 204.145.250.0 – 204.145.250.255 | 256 | US |
allocated | 1995-01-27 | 92dcec6a054c… |
| 204.145.251.0 – 204.145.251.255 | 256 | US |
allocated | 1995-01-27 | d538268083a4… |
| 149.37.0.0 – 149.37.255.255 | 65,536 | US |
allocated | 1995-01-26 | 641ebed6e7d0… |
| 192.122.212.0 – 192.122.212.255 | 256 | US |
allocated | 1995-01-26 | cdb7d42057bd… |
| 199.253.168.0 – 199.253.175.255 | 2,048 | US |
allocated | 1995-01-26 | 84cb3fd36edc… |
| 204.61.208.0 – 204.61.215.255 | 2,048 | US |
allocated | 1995-01-26 | cbe98e0e3a86… |
| 204.61.216.0 – 204.61.217.255 | 512 | US |
allocated | 1995-01-26 | cbe98e0e3a86… |
| 204.87.187.0 – 204.87.187.255 | 256 | US |
allocated | 1995-01-26 | fa3cd124490c… |
| 204.87.188.0 – 204.87.188.255 | 256 | US |
allocated | 1995-01-26 | d42cf92d868a… |
| 204.87.190.0 – 204.87.190.255 | 256 | US |
allocated | 1995-01-26 | 0346ce0cee4b… |
| 204.87.191.0 – 204.87.191.255 | 256 | US |
allocated | 1995-01-26 | 59f5ae1bc75b… |
| 204.87.192.0 – 204.87.192.255 | 256 | US |
allocated | 1995-01-26 | de88bcf78e11… |
| 204.87.193.0 – 204.87.193.255 | 256 | US |
allocated | 1995-01-26 | df72759c8339… |
| 204.87.195.0 – 204.87.195.255 | 256 | US |
allocated | 1995-01-26 | 95ccc17a0f4a… |
| 204.87.196.0 – 204.87.196.255 | 256 | US |
allocated | 1995-01-26 | c52a2490746a… |
| 204.87.197.0 – 204.87.197.255 | 256 | US |
allocated | 1995-01-26 | 28febc55c026… |
| 204.87.198.0 – 204.87.198.255 | 256 | US |
allocated | 1995-01-26 | dec7dafc616d… |
| 204.87.199.0 – 204.87.199.255 | 256 | US |
allocated | 1995-01-26 | 1d2b7a7b7974… |
| 204.87.200.0 – 204.87.200.255 | 256 | US |
allocated | 1995-01-26 | 2dc2ebc085a0… |
| 204.87.201.0 – 204.87.201.255 | 256 | US |
allocated | 1995-01-26 | 674bd4fc7025… |
| 204.87.202.0 – 204.87.202.255 | 256 | US |
allocated | 1995-01-26 | 0fab156eb71f… |
| 204.126.154.0 – 204.126.155.255 | 512 | US |
allocated | 1995-01-26 | fb9e0b83129d… |
| 149.125.0.0 – 149.125.255.255 | 65,536 | US |
allocated | 1995-01-25 | 14ebd7b9cab9… |
| 204.80.172.0 – 204.80.172.255 | 256 | US |
allocated | 1995-01-25 | 06843c1dea90… |
| 204.80.173.0 – 204.80.173.255 | 256 | US |
allocated | 1995-01-25 | 1995cfaeca70… |
| 204.80.174.0 – 204.80.174.255 | 256 | US |
allocated | 1995-01-25 | a6c5bd3c8b52… |
| 204.80.175.0 – 204.80.175.255 | 256 | US |
allocated | 1995-01-25 | dd50688e94c3… |
| 204.80.176.0 – 204.80.176.255 | 256 | US |
allocated | 1995-01-25 | ee70ec922f5c… |
| 204.80.177.0 – 204.80.177.255 | 256 | US |
allocated | 1995-01-25 | d9a758db2898… |
| 204.80.178.0 – 204.80.178.255 | 256 | US |
allocated | 1995-01-25 | d39b6aa3baa6… |
| 204.80.179.0 – 204.80.179.255 | 256 | US |
allocated | 1995-01-25 | 328d980727aa… |
| 204.80.180.0 – 204.80.180.255 | 256 | US |
allocated | 1995-01-25 | 56e241c370bc… |
| 204.80.181.0 – 204.80.181.255 | 256 | US |
allocated | 1995-01-25 | 3373ee659cfc… |
| 204.80.182.0 – 204.80.182.255 | 256 | US |
allocated | 1995-01-25 | ceb5127e575c… |
| 204.80.183.0 – 204.80.183.255 | 256 | US |
allocated | 1995-01-25 | 45fe880b68a8… |
| 204.80.184.0 – 204.80.184.255 | 256 | US |
allocated | 1995-01-25 | 06843c1dea90… |
| 204.80.185.0 – 204.80.185.255 | 256 | US |
allocated | 1995-01-25 | 1c1d64df7ac5… |
| 204.80.186.0 – 204.80.186.255 | 256 | US |
allocated | 1995-01-25 | 742a1e6a28e4… |
| 204.80.187.0 – 204.80.187.255 | 256 | US |
allocated | 1995-01-25 | 3502b37c5235… |
| 204.80.188.0 – 204.80.188.255 | 256 | US |
allocated | 1995-01-25 | f823ab4c3a87… |
| 204.80.189.0 – 204.80.189.255 | 256 | US |
allocated | 1995-01-25 | 24d4eed63935… |
| 204.80.190.0 – 204.80.190.255 | 256 | US |
allocated | 1995-01-25 | 2613ab14233f… |
| 204.80.191.0 – 204.80.191.255 | 256 | US |
allocated | 1995-01-25 | 93b9c3007961… |
| 204.80.192.0 – 204.80.192.255 | 256 | US |
allocated | 1995-01-25 | 634db2671f87… |
| 204.80.193.0 – 204.80.193.255 | 256 | US |
allocated | 1995-01-25 | d1cc1d7e3b61… |
| 204.80.194.0 – 204.80.194.255 | 256 | US |
allocated | 1995-01-25 | f18bd6df695a… |
| 204.80.195.0 – 204.80.195.255 | 256 | US |
allocated | 1995-01-25 | c5d7bf04522d… |
| 204.80.196.0 – 204.80.196.255 | 256 | US |
allocated | 1995-01-25 | d6ba9f754d05… |
| 204.80.197.0 – 204.80.197.255 | 256 | US |
allocated | 1995-01-25 | 2bce8a87b2cc… |
| 204.80.198.0 – 204.80.198.255 | 256 | US |
allocated | 1995-01-25 | 6ab0ed50e990… |
| 204.80.199.0 – 204.80.199.255 | 256 | US |
allocated | 1995-01-25 | 92af7e44e981… |
| 204.80.200.0 – 204.80.200.255 | 256 | US |
allocated | 1995-01-25 | e98a49c235fb… |
| 204.80.201.0 – 204.80.201.255 | 256 | US |
allocated | 1995-01-25 | f6c893a3a111… |
| 204.80.202.0 – 204.80.202.255 | 256 | US |
allocated | 1995-01-25 | a95ca4a0126d… |
| 204.80.203.0 – 204.80.203.255 | 256 | US |
allocated | 1995-01-25 | d83623fe5312… |
| 204.145.245.0 – 204.145.245.255 | 256 | US |
allocated | 1995-01-25 | b2fd39f6d025… |
| 149.68.0.0 – 149.68.255.255 | 65,536 | US |
allocated | 1995-01-24 | 90d383c31d57… |
| 199.253.136.0 – 199.253.143.255 | 2,048 | US |
allocated | 1995-01-24 | 9b36d56e6466… |
| 199.253.144.0 – 199.253.151.255 | 2,048 | US |
allocated | 1995-01-24 | 2e25c285356c… |
| 199.253.152.0 – 199.253.159.255 | 2,048 | US |
allocated | 1995-01-24 | d2ca47971f11… |
| 199.253.160.0 – 199.253.167.255 | 2,048 | US |
allocated | 1995-01-24 | adb7a3bb5b2e… |
| 204.58.148.0 – 204.58.151.255 | 1,024 | US |
allocated | 1995-01-24 | bf83831fe615… |
| 204.80.164.0 – 204.80.164.255 | 256 | US |
allocated | 1995-01-24 | 56e241c370bc… |
| 204.80.165.0 – 204.80.165.255 | 256 | US |
allocated | 1995-01-24 | 077323b1c527… |
| 204.80.166.0 – 204.80.166.255 | 256 | US |
allocated | 1995-01-24 | 1e743a6275f1… |
| 204.80.167.0 – 204.80.167.255 | 256 | US |
allocated | 1995-01-24 | d5cebaee9210… |
| 204.80.168.0 – 204.80.168.255 | 256 | US |
allocated | 1995-01-24 | a8dac56c5bd9… |
| 204.80.169.0 – 204.80.169.255 | 256 | US |
allocated | 1995-01-24 | ac29539761bb… |
| 204.80.170.0 – 204.80.170.255 | 256 | US |
allocated | 1995-01-24 | 832113501461… |
| 204.80.171.0 – 204.80.171.255 | 256 | US |
allocated | 1995-01-24 | 4e7030731789… |
| 204.87.178.0 – 204.87.178.255 | 256 | US |
allocated | 1995-01-24 | 952ef25d9338… |
| 204.87.181.0 – 204.87.181.255 | 256 | US |
allocated | 1995-01-24 | 4bdb7dd667bc… |
| 204.87.182.0 – 204.87.182.255 | 256 | US |
allocated | 1995-01-24 | 1d2f0e5bf642… |
| 204.87.183.0 – 204.87.183.255 | 256 | US |
allocated | 1995-01-24 | 8256ef812c5b… |