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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
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS401427 US assigned 2024-10-22 c6eb76013989…
AS401428 US assigned 2024-10-22 7b7ca2db5ece…
AS54008 US assigned 2024-10-21 761cbe49ad1b…
AS54046 US assigned 2024-10-21 761cbe49ad1b…
AS54581 US assigned 2024-10-21 c3d60eb362cb…
AS395574 US assigned 2024-10-21 31b15fcd1993…
AS401413 US assigned 2024-10-21 9de312741255…
AS401414 US assigned 2024-10-21 3ce1a323e701…
AS401415 US assigned 2024-10-21 fa796158c9d9…
AS401416 US assigned 2024-10-21 585f76594776…
AS401417 US assigned 2024-10-21 aec1a25a983b…
AS401418 US assigned 2024-10-21 23f4466bf300…
AS401420 US assigned 2024-10-21 61254bbae484…
AS401421 PR assigned 2024-10-21 2ba2b2208411…
AS23390 US assigned 2024-10-17 a3ceb277f663…
AS32983 US assigned 2024-10-17 8d5bed19320a…
AS32993 US assigned 2024-10-17 9f439ae27945…
AS33250 CA assigned 2024-10-17 430d7aa2d157…
AS33306 CA assigned 2024-10-17 77c4c6bc0a87…
AS36151 US assigned 2024-10-17 949d4ecf36a6…
AS13799 US assigned 2024-10-16 b3480bb34e13…
AS13883 CA assigned 2024-10-16 295d1c094f10…
AS14474 US assigned 2024-10-16 139e7aa4c7d3…
AS22715 US assigned 2024-10-16 72b4fde9b01a…
AS23213 US assigned 2024-10-16 61d7f87bc87e…
AS394084 US assigned 2024-10-16 8904eb256f41…
AS401412 US assigned 2024-10-16 8904eb256f41…
AS11057 US assigned 2024-10-15 4b68892eece0…
AS12278 US assigned 2024-10-15 ed2202bdae0d…
AS20417 US assigned 2024-10-15 96d097aea1ea…
AS401408 US assigned 2024-10-15 4b0dbe476a3e…
AS401409 US assigned 2024-10-15 b4af520b863b…
AS401410 US assigned 2024-10-15 a3ceb277f663…
AS401411 US assigned 2024-10-15 a62c664fb5c9…
AS400042 US assigned 2024-10-14 92d99889587a…
AS400774 US assigned 2024-10-14 447a4f6460f9…
AS401405 US assigned 2024-10-14 a50d3e58fd88…
AS401406 US assigned 2024-10-14 7fb0c7dddddd…
AS399861 US assigned 2024-10-11 54fb407003a2…
AS394420 US assigned 2024-10-10 a485a9408639…
AS397032 US assigned 2024-10-10 5f8c67df07cf…
AS397923 US assigned 2024-10-10 db12577c28be…
AS401401 US assigned 2024-10-10 e56cc345c0c8…
AS401402 US assigned 2024-10-10 7fb0c7dddddd…
AS401403 US assigned 2024-10-10 e93e05803480…
AS401404 US assigned 2024-10-10 808db1d8b810…
AS401394 CA assigned 2024-10-09 4350518ea696…
AS401395 US assigned 2024-10-09 5124c93dd6e7…
AS401396 US assigned 2024-10-09 8470007aad5c…
AS401397 US assigned 2024-10-09 dc06ec09ab97…
AS401398 US assigned 2024-10-09 a802bb76990a…
AS401399 US assigned 2024-10-09 6c0e988ee30a…
AS401400 GD assigned 2024-10-09 33d9d6129eef…
AS401386 US assigned 2024-10-08 5d47dd5f04c6…
AS401387 US assigned 2024-10-08 e0b58bd9082c…
AS401388 US assigned 2024-10-08 020587cff8a9…
AS401389 US assigned 2024-10-08 79ce55968a37…
AS401391 US assigned 2024-10-08 f27933abe390…
AS401392 US assigned 2024-10-08 c4698a181bd2…
AS401393 CA assigned 2024-10-08 d1685107166b…
AS401378 US assigned 2024-10-07 4a5c7abd5011…
AS401379 US assigned 2024-10-07 6cd7ff981289…
AS401380 US assigned 2024-10-07 bf54755317c2…
AS401381 US assigned 2024-10-07 a213bd390c86…
AS401382 US assigned 2024-10-07 aa3be105e0fa…
AS401383 VG assigned 2024-10-07 8ead69b2a3e2…
AS401385 US assigned 2024-10-07 de70c80ff2eb…
AS401365 US assigned 2024-10-04 d894326b214f…
AS401366 US assigned 2024-10-04 0a0b522cfb11…
AS401368–AS401369 US assigned 2024-10-04 c47ea24c5757…
AS401372 US assigned 2024-10-04 9ca51e1c7a8e…
AS401373 US assigned 2024-10-04 9ca51e1c7a8e…
AS401374 US assigned 2024-10-04 9ca51e1c7a8e…
AS401375 US assigned 2024-10-04 4fed4e7f2a43…
AS401377 US assigned 2024-10-04 1888f4f68229…
AS203023 US assigned 2024-10-03 4f005b10a2a7…
AS393320 US assigned 2024-10-03 cf0c9d28def0…
AS400655 US assigned 2024-10-03 c2f37d047c7a…
AS400921 US assigned 2024-10-03 cc8460151511…
AS400653 US assigned 2024-10-02 f35231a0bb7b…
AS401364 US assigned 2024-10-02 f79a991f8d72…
AS401356 US assigned 2024-10-01 4904a0d40f8b…
AS401357 US assigned 2024-10-01 737a6f3c9288…
AS401360 US assigned 2024-10-01 e133025dc45a…
AS401361 US assigned 2024-10-01 b100cc23ef41…
AS401362 US assigned 2024-10-01 23ed65d165ac…
AS401363 US assigned 2024-10-01 12a329cc01c7…
AS394343 US assigned 2024-09-30 2eae654bda43…
AS401355 CA assigned 2024-09-30 30dc39e05289…
AS15238 US assigned 2024-09-27 66e76e61065d…
AS30700 US assigned 2024-09-27 79ce55968a37…
AS53962 US assigned 2024-09-27 9d76126c92a7…
AS62703 US assigned 2024-09-27 c90b159ed537…
AS394106 US assigned 2024-09-27 dfcae7fb6907…
AS11945 US assigned 2024-09-26 87b37dd7b7fb…
AS399945 US assigned 2024-09-26 251c8c4d71b9…
AS401352 CA assigned 2024-09-26 455eb86ebe71…
AS401353 US assigned 2024-09-26 a158d6b8fd95…
AS401354 US assigned 2024-09-26 7ce04f2bc5ae…
AS18186 US assigned 2024-09-25 007767ad0ad2…
2,701–2,800 of 32,959 « first‹ prev 2627282930 next ›last » of 330