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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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS402358 US assigned 2026-04-03 3179409b9c64…
AS402359 US assigned 2026-04-03 04bd33b156b7…
AS402360 US assigned 2026-04-03 f8fc670114ea…
AS402361 US assigned 2026-04-03 473ffe088b64…
AS402362 US assigned 2026-04-03 a773195ebaaa…
AS402363 US assigned 2026-04-03 4b786e6c52f2…
AS402364 US assigned 2026-04-03 d527ba7caf30…
AS402352 US assigned 2026-04-02 ce4e8b96a945…
AS402353 US assigned 2026-04-02 565d12fe247a…
AS402354 US assigned 2026-04-02 83770b96f055…
AS402355 US assigned 2026-04-02 fe401a713eab…
AS402356 US assigned 2026-04-02 8573b8e4a860…
AS402346 US assigned 2026-04-01 f96961ad06d1…
AS402347 US assigned 2026-04-01 55fe873657ed…
AS402348 CA assigned 2026-04-01 672ee316cf73…
AS402349 US assigned 2026-04-01 86c43383ecae…
AS402350 US assigned 2026-04-01 876966e5d0ab…
AS402351 US assigned 2026-04-01 1c8e16368ef0…
AS402344 US assigned 2026-03-31 319aa5f15805…
AS402345 US assigned 2026-03-31 d8b2d3d3d022…
AS402340 US assigned 2026-03-30 ceac88156024…
AS402341 US assigned 2026-03-30 cef21c0b623b…
AS402342 US assigned 2026-03-30 d28f36d9d744…
AS402343 US assigned 2026-03-30 c2e73a911298…
AS27612 US assigned 2026-03-27 4a590c404f19…
AS402333 CA assigned 2026-03-27 39357278f65d…
AS402334 CA assigned 2026-03-27 39357278f65d…
AS402335 CA assigned 2026-03-27 39357278f65d…
AS402336 US assigned 2026-03-27 049ca90980e2…
AS402337 US assigned 2026-03-27 75653ec5e5a4…
AS402338 US assigned 2026-03-27 986301f9f081…
AS402339 US assigned 2026-03-27 b9e6bd5a345e…
AS402326 US assigned 2026-03-26 11e639299189…
AS402327 US assigned 2026-03-26 eb64063ef6bd…
AS402328 MY assigned 2026-03-26 d5a5fac49791…
AS402329 US assigned 2026-03-26 694e2b05b1e8…
AS402330 US assigned 2026-03-26 eef77c487ad8…
AS402321 US assigned 2026-03-25 aa3be105e0fa…
AS402322 US assigned 2026-03-25 c418702045f1…
AS402323 US assigned 2026-03-25 d2fb9e876f4c…
AS402324 CA assigned 2026-03-25 3d04d49077a9…
AS402325 US assigned 2026-03-25 3ccbde98d0ca…
AS398735 CA assigned 2026-03-24 dbeeaeb280ee…
AS399095 US assigned 2026-03-24 dd05e8dfc5e1…
AS399236 US assigned 2026-03-24 99d9301c5a58…
AS399336 CA assigned 2026-03-24 a92a9cf9c84e…
AS399359 US assigned 2026-03-24 ef29b9e633f8…
AS399460 US assigned 2026-03-24 7c97acedbf7d…
AS399718 CA assigned 2026-03-24 3465010ae0f6…
AS400297 US assigned 2026-03-24 4a51f7c59c29…
AS400468 US assigned 2026-03-24 1331f0bad156…
AS402316 US assigned 2026-03-24 f59d8db3633f…
AS402317 US assigned 2026-03-24 7cbbba7bf433…
AS402318 CA assigned 2026-03-24 87cbd2f6bbf1…
AS402319 US assigned 2026-03-24 67f5f6e0a033…
AS402320 US assigned 2026-03-24 f5d25a25e89c…
AS395904 CA assigned 2026-03-23 8fdab2b05c57…
AS396366 US assigned 2026-03-23 e8f9dd720157…
AS396378 US assigned 2026-03-23 1a656f336321…
AS397979 US assigned 2026-03-23 79887628ee1d…
AS398096 US assigned 2026-03-23 d46fda8e4bd2…
AS394785 MY assigned 2026-03-20 8c4a9eddf881…
AS395131 TH assigned 2026-03-20 bdd7643fda0b…
AS395469 US assigned 2026-03-20 7d49c07f9d06…
AS395781 US assigned 2026-03-20 0eee984ea4ee…
AS4885 US assigned 2026-03-19 4f005b10a2a7…
AS40643 CA assigned 2026-03-19 bc0de0c6c20c…
AS55029 US assigned 2026-03-19 5e31c4f40293…
AS922 US assigned 2026-03-18 2851c5250092…
AS13449 VG assigned 2026-03-18 b4b3e4531e1a…
AS13700 US assigned 2026-03-18 e06068a9180a…
AS14714 US assigned 2026-03-18 1a21ab8399aa…
AS21532 PH assigned 2026-03-18 5c018b5fc6b5…
AS21983 US assigned 2026-03-18 6a89eb3aa2ac…
AS33685 US assigned 2026-03-18 fd8b7db40bd2…
AS36332 US assigned 2026-03-18 6b06ea0e0349…
AS63485 US assigned 2026-03-18 6a89eb3aa2ac…
AS11421 US assigned 2026-03-17 f88de70eacf4…
AS23108 US assigned 2026-03-17 6a89eb3aa2ac…
AS400450 US assigned 2026-03-17 b6b026980590…
AS402309 US assigned 2026-03-17 4fdd3fba0d2c…
AS402310 US assigned 2026-03-17 595dc58e69ac…
AS402311 US assigned 2026-03-17 e5b59aaab4c5…
AS402312 US assigned 2026-03-17 5c107ae949a8…
AS402313 US assigned 2026-03-17 58e466fd8339…
AS402314 US assigned 2026-03-17 aa23de0350e3…
AS402315 US assigned 2026-03-17 02a2dfcb4acf…
AS402303 US assigned 2026-03-16 8c9d62c33724…
AS402304 US assigned 2026-03-16 b300c4452011…
AS402305 US assigned 2026-03-16 3bf1dbe851f1…
AS402306 US assigned 2026-03-16 3c3a7e0ac244…
AS402307 US assigned 2026-03-16 065027a1716a…
AS402308 SG assigned 2026-03-16 e45b7c128065…
AS396334 US assigned 2026-03-13 a72c59d2c1fe…
AS402285 US assigned 2026-03-13 c85bb568e7df…
AS402286 CA assigned 2026-03-13 4b32751066d4…
AS402287 US assigned 2026-03-13 fa7c749adfea…
AS402288 US assigned 2026-03-13 2f0dce32deed…
AS402289 US assigned 2026-03-13 b31c939b9829…
AS402290 US assigned 2026-03-13 449d4a93cce8…
901–1,000 of 33,137 « first‹ prev 89101112 next ›last » of 332