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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
AS402504 US assigned 2026-05-12 8e156fe4eb79…
AS402505 US assigned 2026-05-12 28711627fd16…
AS402506 US assigned 2026-05-12 e1f4dde2eb66…
AS402507 US assigned 2026-05-12 56f3740fef0e…
AS402508 US assigned 2026-05-12 090bf85e94da…
AS402498 US assigned 2026-05-11 84a958d739af…
AS402499 CA assigned 2026-05-11 a3daede0e59a…
AS402500 US assigned 2026-05-11 4374213b3b1c…
AS402501 US assigned 2026-05-11 0bf0f49801ca…
AS402502 US assigned 2026-05-11 7b7d3571939d…
AS402503 CA assigned 2026-05-11 953291cd7804…
AS402496 US assigned 2026-05-08 20c7e4ff38b6…
AS402497 US assigned 2026-05-08 088b6e772937…
AS402490 US assigned 2026-05-07 d906a5219094…
AS402491 US assigned 2026-05-07 03a7ebdf09dd…
AS402492 US assigned 2026-05-07 cbdb59e40951…
AS402493 US assigned 2026-05-07 cbdb59e40951…
AS402494 US assigned 2026-05-07 824940208af7…
AS402495 US assigned 2026-05-07 57a8e4e49803…
AS402487 US assigned 2026-05-06 cbdb59e40951…
AS402488 CA assigned 2026-05-06 89027d968cc7…
AS402489 US assigned 2026-05-06 f2138ea1f686…
AS10602 US assigned 2026-05-05 9424b1a84904…
AS402478 US assigned 2026-05-05 2a76d36286aa…
AS402479 US assigned 2026-05-05 4176eff8a64b…
AS402480 US assigned 2026-05-05 1952de812f6e…
AS402481 US assigned 2026-05-05 e069cd8abcd7…
AS402482 US assigned 2026-05-05 9c442dadee97…
AS402483 US assigned 2026-05-05 68b10048f0a6…
AS402484 CA assigned 2026-05-05 079ce8bad42a…
AS402485 US assigned 2026-05-05 a2c23581fb20…
AS402486 US assigned 2026-05-05 ecf0c264016b…
AS54510 US assigned 2026-05-04 6ea778440f43…
AS63219 US assigned 2026-05-04 4e551569e65f…
AS402475 SG assigned 2026-05-04 2dd6d766156e…
AS402476 US assigned 2026-05-04 9424b1a84904…
AS402477 US assigned 2026-05-04 79df69a6d7bb…
AS402469 US assigned 2026-05-01 64a99ef322d3…
AS402470 US assigned 2026-05-01 1836110e3839…
AS402471 US assigned 2026-05-01 c8726f42ee0c…
AS402472 US assigned 2026-05-01 9831d3ae363c…
AS402473 US assigned 2026-05-01 8719b39bd0fa…
AS402474 US assigned 2026-05-01 2c89a4bcf7df…
AS402463 US assigned 2026-04-30 d8030a84c091…
AS402464 US assigned 2026-04-30 b1bd10b1a1b0…
AS402465 US assigned 2026-04-30 1f3718bcac3a…
AS402466 US assigned 2026-04-30 6e8a1a296b91…
AS402467 US assigned 2026-04-30 550d0536a6f8…
AS402468 US assigned 2026-04-30 c5cdd5676d61…
AS402459 US assigned 2026-04-29 cff51f4ec015…
AS402460 US assigned 2026-04-29 d4b726eb2147…
AS402461 US assigned 2026-04-29 b9901619c873…
AS402462 US assigned 2026-04-29 5e304a900c0f…
AS399021 US assigned 2026-04-28 96612101e0b8…
AS399438 CA assigned 2026-04-28 85fab414f628…
AS399631 US assigned 2026-04-28 a1ff253036ff…
AS402447 US assigned 2026-04-28 dc69d6f9509c…
AS402448 CA assigned 2026-04-28 945ba6e100c6…
AS402449 US assigned 2026-04-28 5499490ebcb0…
AS402450 US assigned 2026-04-28 fea39365b0d6…
AS402451 US assigned 2026-04-28 ca87a9b402a6…
AS402452 US assigned 2026-04-28 8b13407d0617…
AS402453 US assigned 2026-04-28 aa6127a94c7e…
AS402454 US assigned 2026-04-28 a25a3da8b260…
AS402455 US assigned 2026-04-28 5c3b5c43da8b…
AS402456 US assigned 2026-04-28 153f8946327a…
AS402457 US assigned 2026-04-28 c616b8281b27…
AS402458 US assigned 2026-04-28 2ea063b200c2…
AS1000 US assigned 2026-04-27 6d009756b211…
AS393855 US assigned 2026-04-27 54225560fb79…
AS394509 CA assigned 2026-04-27 b68b5aaeaa42…
AS396120 US assigned 2026-04-27 d72ca2af736c…
AS402444 US assigned 2026-04-24 f6eeef27d22e…
AS402445 US assigned 2026-04-24 ead1ea7ffe30…
AS402446 US assigned 2026-04-24 329112703827…
AS20164 US assigned 2026-04-23 c00f154df180…
AS402440 US assigned 2026-04-23 1336908a29b7…
AS402441 US assigned 2026-04-23 b70f31c5c357…
AS402442 US assigned 2026-04-23 fc7fc283c283…
AS402443 US assigned 2026-04-23 8739f4911113…
AS402436 US assigned 2026-04-22 3f4ed4e2ddff…
AS402437 US assigned 2026-04-22 b53ec0d1330f…
AS402438 US assigned 2026-04-22 172c6754e483…
AS402439 CA assigned 2026-04-22 06d4a2a9fa3c…
AS24062 MY assigned 2026-04-21 75406dd69d71…
AS402429 US assigned 2026-04-21 252506a9a711…
AS402430 US assigned 2026-04-21 2fbd93f5f5bc…
AS402431 US assigned 2026-04-21 dcb34a085edc…
AS402432 US assigned 2026-04-21 86d61b06bfbf…
AS402433 US assigned 2026-04-21 5a8f43fbc408…
AS402434 US assigned 2026-04-21 bd7c48a96e59…
AS402435 US assigned 2026-04-21 026ddd05105f…
AS402428 US assigned 2026-04-20 13d8b36e27eb…
AS14509 US assigned 2026-04-17 3abf66ff0937…
AS402424 US assigned 2026-04-17 1495c13279d2…
AS402425 US assigned 2026-04-17 2f966184e99c…
AS402426 US assigned 2026-04-17 0ead073cb5d2…
AS402427 US assigned 2026-04-17 17c3a57b56af…
AS402419 US assigned 2026-04-16 d8ff375857d7…
AS402420 CA assigned 2026-04-16 4f185af3696e…
201–300 of 32,715 « first‹ prev 12345 next ›last » of 328