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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
1,644,545,792
📦
IPv4 networks
77,307
delegated blocks
🧭
IPv6 networks
11,571
delegated blocks
🔗
Autonomous systems
34,285
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS403081 US assigned 2026-10-09 384300841e03…
AS403082 US assigned 2026-10-09 68185e5f64c4…
AS403083 US assigned 2026-10-09 51572424c71e…
AS40731 US assigned 2026-10-08 8afed5794a31…
AS403062 US assigned 2026-10-08 30e8f150bffc…
AS403063 US assigned 2026-10-08 020c7fcd7bd9…
AS403064 US assigned 2026-10-08 faeb159c5a6e…
AS403065 US assigned 2026-10-08 2e6b308ab563…
AS403066 US assigned 2026-10-08 d7b027319105…
AS403067 US assigned 2026-10-08 ad602d56d1fb…
AS403068 US assigned 2026-10-08 20a546b6e9e3…
AS403069 US assigned 2026-10-08 5117cf29e7cd…
AS403070 US assigned 2026-10-08 d4d01b894fa6…
AS403071 US assigned 2026-10-08 078a0db6246f…
AS403072 US assigned 2026-10-08 e0cf16d5f74a…
AS403073 US assigned 2026-10-08 9d7178144ba1…
AS403074 US assigned 2026-10-08 5c895ea04259…
AS403044 SG assigned 2026-10-07 cbfcda97e2f9…
AS403045 US assigned 2026-10-07 a5fe168393e8…
AS403046 US assigned 2026-10-07 1f58d244b203…
AS403047 US assigned 2026-10-07 a6f2af369ac8…
AS403048 US assigned 2026-10-07 4e77a9db6686…
AS403049 CA assigned 2026-10-07 98452263c0d2…
AS403050 US assigned 2026-10-07 f09239e68ea4…
AS403051 US assigned 2026-10-07 cfd6e534f739…
AS403052 US assigned 2026-10-07 bea153433a23…
AS403053 PR assigned 2026-10-07 d781641e310d…
AS403054 US assigned 2026-10-07 3d1ef784f5c6…
AS403055 US assigned 2026-10-07 38a8563f304c…
AS403056 US assigned 2026-10-07 390af976207f…
AS403057 US assigned 2026-10-07 916a5be97eaf…
AS403058 SG assigned 2026-10-07 47d5e75223be…
AS403059 CA assigned 2026-10-07 b71c00b2b7d6…
AS403060 US assigned 2026-10-07 2497a33829de…
AS403061 US assigned 2026-10-07 f9159654c788…
AS11795 US assigned 2026-10-05 6bdfde5adc51…
AS397077 US assigned 2026-10-05 6bdfde5adc51…
AS397191 US assigned 2026-10-05 6bdfde5adc51…
AS403037 US assigned 2026-10-05 ed984ebf0bb9…
AS403038 US assigned 2026-10-05 b5b4478489ab…
AS403039 US assigned 2026-10-05 ff1f8a8f5e8e…
AS403040 US assigned 2026-10-05 75a75a094baa…
AS403041 US assigned 2026-10-05 0a7bba6aa0ee…
AS403042 US assigned 2026-10-05 c91ac78fe7d0…
AS403043 US assigned 2026-10-05 63048807ed43…
AS403027 US assigned 2026-10-02 c34a578ece2c…
AS403028 US assigned 2026-10-02 006575c60f55…
AS403029 CA assigned 2026-10-02 bf499a9ffcd7…
AS403030 US assigned 2026-10-02 2d1373769b52…
AS403031 US assigned 2026-10-02 f019023adc06…
AS403032 US assigned 2026-10-02 15b60bbc8233…
AS403033 US assigned 2026-10-02 f8744545e777…
AS403034 US assigned 2026-10-02 09e2117eab4c…
AS403035 US assigned 2026-10-02 fbc324f923bf…
AS403036 US assigned 2026-10-02 f131d4101958…
AS40327 US assigned 2026-10-01 fdb303c7441b…
AS403024 US assigned 2026-10-01 ce8448b7bff5…
AS403025 US assigned 2026-10-01 e7788d5bfff2…
AS403026 US assigned 2026-10-01 d4a23bf6be72…
AS403013 US assigned 2026-09-29 4b637df4b094…
AS403014 US assigned 2026-09-29 35e6e714b6af…
AS403015 US assigned 2026-09-29 883153c4ed3f…
AS403016 US assigned 2026-09-29 a12cfcb84c12…
AS403017 CA assigned 2026-09-29 9f217750338d…
AS403018 US assigned 2026-09-29 e661333ae100…
AS403019 US assigned 2026-09-29 49130b2dea08…
AS403020 US assigned 2026-09-29 b89585aa1fd6…
AS403021 US assigned 2026-09-29 5f63e7eb88ec…
AS403022 US assigned 2026-09-29 6a760cc52bdf…
AS403023 US assigned 2026-09-29 87174bbaeb64…
AS403010 US assigned 2026-09-28 089f4006a0af…
AS403011 US assigned 2026-09-28 4b4fd5222592…
AS403012 US assigned 2026-09-28 ec634dd1521f…
AS403000 US assigned 2026-09-25 89d5c7be71b2…
AS403001 US assigned 2026-09-25 b3e8daa76571…
AS403002 US assigned 2026-09-25 5a615d65ed22…
AS403003 US assigned 2026-09-25 724bb4868071…
AS403004 US assigned 2026-09-25 86f765a18257…
AS403005 SC assigned 2026-09-25 573bfdafbd31…
AS403006 US assigned 2026-09-25 92cefa4e9b9a…
AS403007 US assigned 2026-09-25 ee6c414b276b…
AS403008 US assigned 2026-09-25 6d0a0ed479ce…
AS403009 US assigned 2026-09-25 a3c5a50806a0…
AS402992 US assigned 2026-09-24 62c7e0365be5…
AS402993 US assigned 2026-09-24 188c30607f8f…
AS402994 US assigned 2026-09-24 34e04352e764…
AS402995 US assigned 2026-09-24 e25b3645255d…
AS402996 US assigned 2026-09-24 9c937f503083…
AS402997 US assigned 2026-09-24 7a7da4d9490f…
AS402998 US assigned 2026-09-24 0368d7b84e55…
AS402999 US assigned 2026-09-24 c291f60c9658…
AS401235 US assigned 2026-09-23 236a048ef3d8…
AS401811 US assigned 2026-09-23 01643e4af4aa…
AS402011 US assigned 2026-09-23 28963ca799db…
AS402103 US assigned 2026-09-23 83a293c6e094…
AS402418 US assigned 2026-09-23 a919d548edac…
AS402761 US assigned 2026-09-23 1d5f53ae0344…
AS402982 US assigned 2026-09-23 32e17e81ab9c…
AS402983 CA assigned 2026-09-23 956802014e68…
AS402984 US assigned 2026-09-23 fd047818014a…
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