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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
AS402607 TH assigned 2026-06-08 3852ee7e15f3…
AS402608 US assigned 2026-06-08 1af3d3fa469b…
AS402609 US assigned 2026-06-08 69b5a009323a…
AS402600 US assigned 2026-06-05 59b00e0a3dd2…
AS402601 US assigned 2026-06-05 e98c23871e1a…
AS402602 US assigned 2026-06-05 227769ea60d4…
AS402603 US assigned 2026-06-05 109b962edc59…
AS402593 US assigned 2026-06-04 6764f81788f4…
AS402594 US assigned 2026-06-04 e883ec26713e…
AS402595 CA assigned 2026-06-04 f67dd0d38532…
AS402596 US assigned 2026-06-04 cb213af06b96…
AS402597 US assigned 2026-06-04 bd47aff16c47…
AS402598 US assigned 2026-06-04 b7844734c624…
AS402599 US assigned 2026-06-04 5519665ba627…
AS17343 US assigned 2026-06-03 5cdf41e271de…
AS402592 US assigned 2026-06-03 febc7533863a…
AS402590 US assigned 2026-06-02 087ecabb8599…
AS402591 US assigned 2026-06-02 950f763d0a2e…
AS402578 US assigned 2026-06-01 6b0a2f8f175f…
AS402579 US assigned 2026-06-01 306dd847e7fd…
AS402580 US assigned 2026-06-01 17b4cb06ebc2…
AS402581 PH assigned 2026-06-01 77a61189951f…
AS402582 US assigned 2026-06-01 edc323923b25…
AS402583 US assigned 2026-06-01 807ae6ccdeda…
AS402584 US assigned 2026-06-01 2f418d4bd123…
AS402585 US assigned 2026-06-01 e6efac3df790…
AS402586 US assigned 2026-06-01 d6fd4b90bf1c…
AS402587 US assigned 2026-06-01 08c939943d71…
AS402588 US assigned 2026-06-01 c65e6aeb2889…
AS402589 US assigned 2026-06-01 aeb1d1a074fc…
AS402574 US assigned 2026-05-29 beabf886d0a2…
AS402575 US assigned 2026-05-29 75a7e7e28a27…
AS402576 US assigned 2026-05-29 ed3906623486…
AS402577 US assigned 2026-05-29 aae90b6b167b…
AS402564 US assigned 2026-05-28 9eed5928c282…
AS402565 US assigned 2026-05-28 da3c297538dd…
AS402566 US assigned 2026-05-28 cefde15e8fed…
AS402567 US assigned 2026-05-28 a1e88d99ea24…
AS402568 US assigned 2026-05-28 eb666baf08e8…
AS402569 US assigned 2026-05-28 e8065bdae828…
AS402570 US assigned 2026-05-28 f990b2504205…
AS402571 US assigned 2026-05-28 63101a0526b1…
AS402572 US assigned 2026-05-28 a75cdad7a1e5…
AS402573 US assigned 2026-05-28 6589d2160221…
AS402559 CA assigned 2026-05-27 d230ccaa82cf…
AS402560 US assigned 2026-05-27 84f555506dd5…
AS402561 US assigned 2026-05-27 ebf536c2d160…
AS402562 US assigned 2026-05-27 48367d1366a4…
AS402563 US assigned 2026-05-27 84b33d1d778d…
AS402550 US assigned 2026-05-26 06b83761ac09…
AS402551 US assigned 2026-05-26 5f4bef261c36…
AS402552 TH assigned 2026-05-26 f0cda5efc4a0…
AS402553 US assigned 2026-05-26 55fe873657ed…
AS402554 CA assigned 2026-05-26 bc9048e34755…
AS402555 US assigned 2026-05-26 0787907e28c3…
AS402556 US assigned 2026-05-26 94d9e9b5da75…
AS402557 US assigned 2026-05-26 a3b99e3adb27…
AS402558 CA assigned 2026-05-26 768e7e8ab888…
AS402546 US assigned 2026-05-22 505d94cc91ef…
AS402547 US assigned 2026-05-22 1711f51d9120…
AS402548 CA assigned 2026-05-22 8a1d367ccc05…
AS402549 US assigned 2026-05-22 81e1f1001fdd…
AS402543 US assigned 2026-05-21 90a5d38b476d…
AS402544 US assigned 2026-05-21 24ed66cda58d…
AS402545 US assigned 2026-05-21 2371a346092b…
AS402541 SG assigned 2026-05-20 43ff85b31fc2…
AS402542 US assigned 2026-05-20 28408e4f0567…
AS402540 US assigned 2026-05-19 693cbc2b09d2…
AS64218 US assigned 2026-05-18 6b4372a556d3…
AS402531 US assigned 2026-05-18 e3597c5a4ae0…
AS402532 US assigned 2026-05-18 ae41d3eee016…
AS402533 US assigned 2026-05-18 a96318b33318…
AS402534 US assigned 2026-05-18 15dc69251f27…
AS402535 US assigned 2026-05-18 f61b755d2f16…
AS402536 US assigned 2026-05-18 a34e6b866d65…
AS402537 US assigned 2026-05-18 e03cb666ffe4…
AS402538 US assigned 2026-05-18 3a530b2108f9…
AS402539 US assigned 2026-05-18 8bb377792f15…
AS402526 US assigned 2026-05-15 00349359d7ed…
AS402527 US assigned 2026-05-15 dd285f45b19d…
AS402528 US assigned 2026-05-15 4b9d3c0efb7a…
AS402529 US assigned 2026-05-15 b4e0ba552b94…
AS402530 US assigned 2026-05-15 47a3e349b788…
AS402515 US assigned 2026-05-14 37a7e3b1a05e…
AS402516 US assigned 2026-05-14 3db15d06cf80…
AS402517 US assigned 2026-05-14 df2b8d7904a1…
AS402518 US assigned 2026-05-14 7006ecd3849f…
AS402519 US assigned 2026-05-14 a20e933c1bcc…
AS402520 US assigned 2026-05-14 50e164230a7e…
AS402521 US assigned 2026-05-14 8bb3297bd3b4…
AS402522 US assigned 2026-05-14 4129d6173abd…
AS402523 US assigned 2026-05-14 3f39c7c3b04a…
AS402524 US assigned 2026-05-14 0f2c07f946a3…
AS402525 US assigned 2026-05-14 b643aae9afaa…
AS402509 US assigned 2026-05-13 479729cd0727…
AS402510 US assigned 2026-05-13 e790b579f8ae…
AS402511 US assigned 2026-05-13 1b64afc5e734…
AS402512 US assigned 2026-05-13 de2a4d781870…
AS402513 US assigned 2026-05-13 81020f1e4e00…
AS402514 US assigned 2026-05-13 e9fad80362b5…
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