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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
1.65B
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
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…
AS402291 US assigned 2026-03-13 8f498e1f3a0f…
AS402292 US assigned 2026-03-13 cf6355e52e9b…
AS402293 US assigned 2026-03-13 59cabfbc354c…
AS402294 US assigned 2026-03-13 0a122c671f86…
AS402295 US assigned 2026-03-13 9543177e9e77…
AS402296 TH assigned 2026-03-13 db9af2d787a2…
AS402297 CA assigned 2026-03-13 95b3a372153b…
AS402298 US assigned 2026-03-13 f88de70eacf4…
AS402299 US assigned 2026-03-13 1d0fcb050766…
AS402300 US assigned 2026-03-13 e5675d10d8a2…
AS402301 US assigned 2026-03-13 b7052dd4f881…
AS402302 US assigned 2026-03-13 286d8c1bc6d5…
AS402284 US assigned 2026-03-12 466aa4973582…
AS402280 US assigned 2026-03-11 66963792b58d…
AS402281 US assigned 2026-03-11 6210fd288689…
AS402282 US assigned 2026-03-11 934d503df32b…
AS402283 US assigned 2026-03-11 4de659ae641b…
AS402272 US assigned 2026-03-10 69afb951f545…
AS402273 US assigned 2026-03-10 ef2b46aad9fc…
AS402274 US assigned 2026-03-10 67dd488a3570…
AS402275 US assigned 2026-03-10 9562ffb65d4f…
AS402276 CA assigned 2026-03-10 c8a04541dc87…
AS402277 US assigned 2026-03-10 a9511c218d92…
AS402278 CA assigned 2026-03-10 557ff373282c…
AS402279 US assigned 2026-03-10 ea54025b8254…
AS402270 US assigned 2026-03-09 dcdd5fb03600…
AS402271 US assigned 2026-03-09 5c5a9c76453c…
AS33585 US assigned 2026-03-06 16c0562b42bb…
AS402258 US assigned 2026-03-06 73f625013ea7…
AS402259 US assigned 2026-03-06 aefbfc0b474f…
AS402260 US assigned 2026-03-06 59f41e8ad576…
AS402261 US assigned 2026-03-06 040566c854a7…
AS402262 US assigned 2026-03-06 77946cadc2f8…
AS402263 US assigned 2026-03-06 268100cd3666…
AS402264 US assigned 2026-03-06 76e092c1413c…
AS402265 US assigned 2026-03-06 56230b34e29e…
AS402266 US assigned 2026-03-06 4b0dbe476a3e…
401–500 of 32,715 « first‹ prev 34567 next ›last » of 328