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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
AS402641 US assigned 2026-06-16 7b6c6a6ded09…
AS402642 US assigned 2026-06-16 9c9a5a6d794d…
AS402643 US assigned 2026-06-16 28d890b5486e…
AS402644 US assigned 2026-06-16 df061f6755c0…
AS402629 US assigned 2026-06-15 67f5f6e0a033…
AS402630 US assigned 2026-06-15 f335930ffed0…
AS402631 US assigned 2026-06-15 c47545c9a5a3…
AS402632 US assigned 2026-06-15 1e049765ccf1…
AS402633 CA assigned 2026-06-15 850152d46dfe…
AS402634 TW assigned 2026-06-15 16cf35eb2275…
AS402635 US assigned 2026-06-15 cca082d111fc…
AS402636 CA assigned 2026-06-15 1c5e2798d750…
AS402637 US assigned 2026-06-15 4ca8eebfdade…
AS402638 US assigned 2026-06-15 322d6b65024a…
AS393305 US assigned 2026-06-12 2f39a2d357f0…
AS402626 MY assigned 2026-06-12 0992164dccb9…
AS402627 US assigned 2026-06-12 9091aaba7f6c…
AS402628 US assigned 2026-06-12 b53e0673caeb…
AS402618 US assigned 2026-06-11 00e53a968d9d…
AS402619 US assigned 2026-06-11 1cd4f2c06197…
AS402620 CA assigned 2026-06-11 02c114fa41bc…
AS402621 US assigned 2026-06-11 b2f4822de4f0…
AS402622 US assigned 2026-06-11 50a2948b9b76…
AS402623 CA assigned 2026-06-11 903d4de5e499…
AS402624 US assigned 2026-06-11 9482037a5269…
AS402625 CA assigned 2026-06-11 c558aeb1ec8d…
AS402614 US assigned 2026-06-10 693b571a43ae…
AS402615 CA assigned 2026-06-10 a707956b388c…
AS402616 US assigned 2026-06-10 7aacad89813a…
AS402617 US assigned 2026-06-10 2bdb6dcb260f…
AS40600 US assigned 2026-06-09 8238f43ddff8…
AS402610 CA assigned 2026-06-09 0b17ee341e2c…
AS402611 US assigned 2026-06-09 909241dfe997…
AS402612 CA assigned 2026-06-09 398fe14d9b4d…
AS402613 US assigned 2026-06-09 fea9c74d91ff…
AS402604 US assigned 2026-06-08 cc85b0660207…
AS402605 US assigned 2026-06-08 113f695cb0b2…
AS402606 US assigned 2026-06-08 b981d28d5293…
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…
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