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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
AS62850 US assigned 2025-12-17 3d4abcee4cae…
AS63260 US assigned 2025-12-17 e14f9cada0ae…
AS393368 US assigned 2025-12-17 6930ce360e09…
AS53805 US assigned 2025-12-16 4f09df9ac3ff…
AS53886 US assigned 2025-12-16 be5f01098cb2…
AS53992 PR assigned 2025-12-16 96f45e07568c…
AS54608 US assigned 2025-12-16 fa75ff739aad…
AS55020 US assigned 2025-12-16 5ce43bcc485d…
AS11150 US assigned 2025-12-15 4f8bdf05c43e…
AS36424 US assigned 2025-12-15 41a35d72cea8…
AS39991 US assigned 2025-12-15 e65b08f30ba8…
AS40253 US assigned 2025-12-15 3f99f1c1a3da…
AS40409 US assigned 2025-12-15 1490a54c927f…
AS40654 US assigned 2025-12-15 1c9555ab8a97…
AS46499 US assigned 2025-12-15 ec0970844cee…
AS46938 US assigned 2025-12-15 75e44394a1fa…
AS33199 US assigned 2025-12-12 c481e8069b4b…
AS33352 US assigned 2025-12-12 e2ca83040b65…
AS33437 US assigned 2025-12-12 dd4a569e0228…
AS35899 US assigned 2025-12-12 59fef7ae5604…
AS32336 US assigned 2025-12-11 b1ccde56def9…
AS33104 US assigned 2025-12-11 6f8c808a19c3…
AS33106 US assigned 2025-12-11 b293148be6b8…
AS33124 US assigned 2025-12-11 6b655f01500d…
AS31943 US assigned 2025-12-10 7b917bc0d58c…
AS31944 US assigned 2025-12-10 6dbf9779dd01…
AS31945 US assigned 2025-12-10 f904a551037b…
AS31946 US assigned 2025-12-10 819fb14ee691…
AS32199 US assigned 2025-12-10 7215fd62ee58…
AS25831 US assigned 2025-12-09 876196c4a8b0…
AS25868 US assigned 2025-12-09 0fdeb4020d94…
AS26519 US assigned 2025-12-09 0fdeb4020d94…
AS26639 US assigned 2025-12-09 0fdeb4020d94…
AS26643 US assigned 2025-12-09 0fdeb4020d94…
AS26969 US assigned 2025-12-09 0fdeb4020d94…
AS29931 US assigned 2025-12-09 0fdeb4020d94…
AS30218 US assigned 2025-12-09 0fdeb4020d94…
AS30435 US assigned 2025-12-09 4c37331305a0…
AS394721 US assigned 2025-12-09 ff1503dd7cf0…
AS19436 US assigned 2025-12-08 83a988d40506…
AS20382 US assigned 2025-12-08 711fda7c97e1…
AS20422 CA assigned 2025-12-08 9a3eaae41ed6…
AS22665 US assigned 2025-12-08 e45097bdc056…
AS23119 US assigned 2025-12-08 2e99fd354a06…
AS23224 US assigned 2025-12-08 a6f3812a2ce7…
AS23239 US assigned 2025-12-08 3a318064fe1e…
AS25730 CA assigned 2025-12-08 ffd2758b84cd…
AS36014 US assigned 2025-12-08 08702122e223…
AS16740 US assigned 2025-12-05 ea669931a641…
AS17299 US assigned 2025-12-05 915b755dbf3e…
AS19388 US assigned 2025-12-05 2eeab95cc549…
AS12286 US assigned 2025-12-04 5ee0ea0445ff…
AS13465 US assigned 2025-12-04 a2a2539a2264…
AS15040 US assigned 2025-12-04 bcbcf6fa2a77…
AS3852 US assigned 2025-12-03 0edcfc289fc4…
AS11469 US assigned 2025-12-03 e29232bcdac4…
AS20446 US assigned 2025-12-03 e6ade1f9db50…
AS54184 US assigned 2025-12-03 d8b12f8d0834…
AS3503 US assigned 2025-12-02 a892261ade4f…
AS2827 CA assigned 2025-12-01 d4b2f0a733c0…
AS397104 US assigned 2025-12-01 0129c998c70c…
AS397834 US assigned 2025-12-01 589048b2088c…
AS398076 US assigned 2025-12-01 c3fef08e390e…
AS398935 US assigned 2025-12-01 2df0e3ed109c…
AS400235 US assigned 2025-12-01 2fad9a5ecc7a…
AS396216 US assigned 2025-11-26 191be3d73c69…
AS396234 US assigned 2025-11-26 d72f9ebc3070…
AS6570 US assigned 2025-11-25 5c88afb5d251…
AS11859 US assigned 2025-11-25 7fafee899961…
AS13595 CA assigned 2025-11-25 b2306ae8cf56…
AS18710 US assigned 2025-11-25 a4182d7b9e63…
AS18947 CA assigned 2025-11-25 b2306ae8cf56…
AS19620 US assigned 2025-11-25 53d720e3b598…
AS25616 CA assigned 2025-11-25 b2306ae8cf56…
AS40357 US assigned 2025-11-25 0a397f667bc9…
AS63231 US assigned 2025-11-25 befb9f1a632c…
AS399933 US assigned 2025-11-25 b3af88dac456…
AS399955 US assigned 2025-11-25 ac98fea054c6…
AS400184 US assigned 2025-11-25 8f0c9a162be6…
AS400231 US assigned 2025-11-25 89f7a8c53609…
AS1046 US assigned 2025-11-24 cdf5532dc156…
AS23190 US assigned 2025-11-24 37f8f1de8548…
AS30384 US assigned 2025-11-24 864f4f7ce83d…
AS199177 CA assigned 2025-11-24 a7b1f043d180…
AS399515 US assigned 2025-11-24 892f1e3bdb8b…
AS399905 US assigned 2025-11-24 15503aa375f3…
AS399906 US assigned 2025-11-24 3b71f7d47b30…
AS17219 US assigned 2025-11-21 1088626e4cef…
AS398853 CA assigned 2025-11-21 ee9238813605…
AS398925 US assigned 2025-11-21 5028a01a2e29…
AS399138 US assigned 2025-11-21 80d2f6103cac…
AS399461 US assigned 2025-11-21 d3709dfea59c…
AS399468 US assigned 2025-11-21 7004c783cc0e…
AS396978 US assigned 2025-11-20 5059bb2b2e89…
AS397017 CA assigned 2025-11-20 4c4941ee3a0d…
AS397067 US assigned 2025-11-20 1723481800eb…
AS397744 US assigned 2025-11-20 639de392ccd9…
AS397752 CA assigned 2025-11-20 b683304e0904…
AS398547 US assigned 2025-11-20 2b11b1b3c248…
AS398737 US assigned 2025-11-20 f6c9152c6a4a…
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