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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
AS401532 US assigned 2024-11-27 52240bee5633…
AS401533 US assigned 2024-11-27 1bfaeb80765f…
AS401515 US assigned 2024-11-26 790b0a93a5f1…
AS401516 US assigned 2024-11-26 790b0a93a5f1…
AS401517 US assigned 2024-11-26 392b21643e4f…
AS401518 US assigned 2024-11-26 31ce9d3a76fd…
AS401519 US assigned 2024-11-26 bc2d2a45993e…
AS401520 JM assigned 2024-11-26 c0ee667c7420…
AS401521 US assigned 2024-11-26 42623ff29383…
AS401511 US assigned 2024-11-25 6951e460b01c…
AS401512 US assigned 2024-11-25 1eabfd0b9d43…
AS401513 US assigned 2024-11-25 f16042bb30f4…
AS401514 US assigned 2024-11-25 a6de7affa69f…
AS393893 US assigned 2024-11-22 8cf5150b11ad…
AS401501 US assigned 2024-11-22 f5c74247c618…
AS401502 US assigned 2024-11-22 13b387aae4b8…
AS401503 US assigned 2024-11-22 695940e40fff…
AS401504 US assigned 2024-11-22 528ee8bb3805…
AS401505 US assigned 2024-11-22 d6db6a494eb1…
AS401506 US assigned 2024-11-22 eef77c487ad8…
AS401507 US assigned 2024-11-22 70062b7960a5…
AS401508 US assigned 2024-11-22 ba42abadf629…
AS401509 US assigned 2024-11-22 a8db53aefae4…
AS401510 US assigned 2024-11-22 2af126c1db03…
AS398887 US assigned 2024-11-21 e6d7009a63c9…
AS398916 US assigned 2024-11-21 782a1a489c7b…
AS398924 US assigned 2024-11-21 2fc9dfeebcd8…
AS400110 US assigned 2024-11-21 51413a01e67e…
AS401500 US assigned 2024-11-21 2a8d6cdaf5b5…
AS393646 US assigned 2024-11-20 88d2b131ffbe…
AS394553 US assigned 2024-11-20 37b537581821…
AS395297 CA assigned 2024-11-20 27ff690b125d…
AS397101 US assigned 2024-11-20 e60eca3849f1…
AS397685 US assigned 2024-11-20 2a67b9de275c…
AS397968 US assigned 2024-11-20 e80415d83cc1…
AS397982 US assigned 2024-11-20 de354f1a2a5f…
AS398016 VN assigned 2024-11-20 6198aca1cff5…
AS398047 VN assigned 2024-11-20 cd34cd77d4a0…
AS20118 US assigned 2024-11-19 3f4ed4e2ddff…
AS26682 US assigned 2024-11-19 186d00886227…
AS27291 US assigned 2024-11-19 184ce0972084…
AS19140 US assigned 2024-11-18 45a0a723249e…
AS54132 JP assigned 2024-11-18 ca890f04378a…
AS54530 US assigned 2024-11-18 49653d5320f1…
AS62836 US assigned 2024-11-18 6ed2058c5903…
AS62930 US assigned 2024-11-18 d143b218b3dc…
AS23511 VG assigned 2024-11-15 4f36a3a1baa1…
AS33057 US assigned 2024-11-15 39e08a18bfc3…
AS33191 US assigned 2024-11-15 00931628ff7a…
AS46582 US assigned 2024-11-15 761dfe4a2ab6…
AS46583 US assigned 2024-11-15 b6ba5567fac5…
AS18850 CA assigned 2024-11-14 6452dbc7ae52…
AS18927 US assigned 2024-11-14 cbc553c3bdbe…
AS22553 VN assigned 2024-11-14 e1f9880cbeaf…
AS22596 US assigned 2024-11-14 e3597c5a4ae0…
AS23346 US assigned 2024-11-14 c5f12934f759…
AS11879 CA assigned 2024-11-13 e0a4a0566248…
AS14059 CA assigned 2024-11-13 3613eda5d112…
AS16505 US assigned 2024-11-13 5be1bd058eea…
AS401492 US assigned 2024-11-13 8cca0c260f3d…
AS401493 US assigned 2024-11-13 c3847317d37f…
AS401494 US assigned 2024-11-13 6b2ed045c95e…
AS401495 US assigned 2024-11-13 752153b894d5…
AS401496 CA assigned 2024-11-13 56fa1f97d0d7…
AS401497 CA assigned 2024-11-13 69c1bf91e44f…
AS401498 US assigned 2024-11-13 19e3c48f0e7f…
AS401499 US assigned 2024-11-13 2bf2e9675ccc…
AS26686 US assigned 2024-11-12 2795961d8777…
AS203888 US assigned 2024-11-12 98ecfd094cbb…
AS401483 US assigned 2024-11-12 b634b7f35844…
AS401484 US assigned 2024-11-12 9ac5e02bee6d…
AS401485 CA assigned 2024-11-12 b2306ae8cf56…
AS401486 US assigned 2024-11-12 0b77ce1926aa…
AS401487 US assigned 2024-11-12 fcca9b294209…
AS401488 US assigned 2024-11-12 5d1ff38de607…
AS401489 US assigned 2024-11-12 0754207f9812…
AS401490 US assigned 2024-11-12 43902b8148e5…
AS401481 US assigned 2024-11-08 930df9b94dd6…
AS401482 US assigned 2024-11-08 3fb41342ca27…
AS401476 US assigned 2024-11-07 cd21b25c4166…
AS401478 US assigned 2024-11-07 68c8f8360456…
AS401479 US assigned 2024-11-07 cb85491e141d…
AS401480 US assigned 2024-11-07 7a6d87f290fd…
AS40424 CA assigned 2024-11-06 05bfdf807079…
AS401472 US assigned 2024-11-06 a22f21a481bc…
AS401473 US assigned 2024-11-06 43decde2c649…
AS401474 JP assigned 2024-11-06 8ab1f70c9afa…
AS62553 US assigned 2024-11-05 7c0176f90193…
AS399679 US assigned 2024-11-05 30aa9df5c2d8…
AS399870 US assigned 2024-11-05 1436de8e2b70…
AS401467 US assigned 2024-11-05 cb15caf2ab92…
AS401468 US assigned 2024-11-05 bed6ab6ac66c…
AS401469 US assigned 2024-11-05 3e4cff210e56…
AS401470 US assigned 2024-11-05 280d75c8d2be…
AS401471 US assigned 2024-11-05 f85fb1d4cc5d…
AS401466 CA assigned 2024-11-04 854130d19d5e…
AS22640 VN assigned 2024-11-01 61731814ba3c…
AS401461 US assigned 2024-11-01 6cac78c27f58…
AS401462 US assigned 2024-11-01 465b4d5f80b8…
AS401463 US assigned 2024-11-01 b6ae127588d8…
2,301–2,400 of 32,715 « first‹ prev 2223242526 next ›last » of 328