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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
AS397730 US assigned 2024-12-18 0fa7b820a596…
AS64240 US assigned 2024-12-17 ef2dd2e714a3…
AS394082 US assigned 2024-12-17 fce25aad9f2b…
AS394227 US assigned 2024-12-17 600ec42caa20…
AS394555 US assigned 2024-12-17 480544687bdb…
AS394787 US assigned 2024-12-17 f21a2b3294f7…
AS394788 US assigned 2024-12-17 1436de8e2b70…
AS395062 US assigned 2024-12-17 f5ef22614b6f…
AS54186 US assigned 2024-12-16 1e37592c30ff…
AS54662 US assigned 2024-12-16 cd7b2e7ec5cd…
AS62524 US assigned 2024-12-16 00a438e3b91e…
AS63000 JP assigned 2024-12-16 2526630b3ebf…
AS63232 US assigned 2024-12-16 9f8586e45d92…
AS46802 US assigned 2024-12-13 e830231fa96f…
AS46951 US assigned 2024-12-13 fdb7eeec48fb…
AS53343 US assigned 2024-12-13 f30c68c2823b…
AS53428 US assigned 2024-12-13 7b298f3742c0…
AS53678 US assigned 2024-12-13 89f3c03f7f48…
AS31986 US assigned 2024-12-12 d253b1ba1d44…
AS33396 US assigned 2024-12-12 074d9c3bf2bc…
AS33715 US assigned 2024-12-12 198ac0b888e9…
AS35972 US assigned 2024-12-12 0313cb5bd142…
AS36296 US assigned 2024-12-12 0535d09de35a…
AS40256 US assigned 2024-12-12 0535d09de35a…
AS40617 US assigned 2024-12-12 f21130892698…
AS40929 US assigned 2024-12-12 e052cfbe1698…
AS46172 US assigned 2024-12-12 1ab15bfabeb1…
AS46574 US assigned 2024-12-12 18bc8c8c98aa…
AS52210 CA assigned 2024-12-12 12a8c9d69826…
AS11611 US assigned 2024-12-11 97f3c5364ed8…
AS26023 US assigned 2024-12-11 8fe44cb5c031…
AS26766 US assigned 2024-12-11 fcaaeb352c9c…
AS26939 US assigned 2024-12-11 e9155b9720f9…
AS27386 US assigned 2024-12-11 2b325532a09c…
AS29703 US assigned 2024-12-11 c64bb0bd8f58…
AS30463 US assigned 2024-12-11 80c657f2bc6b…
AS31959 US assigned 2024-12-11 26908d6a50a4…
AS53397 US assigned 2024-12-11 97f3c5364ed8…
AS22492 US assigned 2024-12-10 b38680665c9a…
AS23297 JP assigned 2024-12-10 afb84fb59d81…
AS23532 US assigned 2024-12-10 e76db9e0c7ad…
AS25912 CA assigned 2024-12-10 084508c75228…
AS51312 US assigned 2024-12-10 7a5df2988feb…
AS51856 US assigned 2024-12-10 7a5df2988feb…
AS56808 US assigned 2024-12-10 7a5df2988feb…
AS20184 US assigned 2024-12-09 03aed398b2dc…
AS21629 US assigned 2024-12-09 e0b58bd9082c…
AS21761 US assigned 2024-12-09 11a9ab785892…
AS18807 US assigned 2024-12-07 fe8dc73212f1…
AS18956 US assigned 2024-12-07 7201bb6b98a5…
AS19468 US assigned 2024-12-07 44b6073e2301…
AS15289 US assigned 2024-12-06 ba4730cacd1e…
AS16797 US assigned 2024-12-06 8c0c03611e92…
AS16878 US assigned 2024-12-06 c8273a98c826…
AS16909 US assigned 2024-12-06 70062b7960a5…
AS17203 US assigned 2024-12-06 0c10f1e97be9…
AS18457 US assigned 2024-12-06 0f61efd62492…
AS18493 US assigned 2024-12-06 95e655767504…
AS18585 CA assigned 2024-12-06 672042c49e87…
AS18783 US assigned 2024-12-06 0b2f77460266…
AS18785 US assigned 2024-12-06 72b96d7bbbfd…
AS63125 US assigned 2024-12-06 f01f64b3e568…
AS13753 US assigned 2024-12-05 4736a62aa3df…
AS13847 US assigned 2024-12-05 af306ed5cf31…
AS14619 US assigned 2024-12-05 701a3ff52cb9…
AS14934 US assigned 2024-12-05 ed91f4b5a320…
AS15037 CA assigned 2024-12-05 b2306ae8cf56…
AS15082 US assigned 2024-12-05 1eabfd0b9d43…
AS5757 CA assigned 2024-12-04 25d0ecb7ecac…
AS6312 US assigned 2024-12-04 cba59960517a…
AS6936 US assigned 2024-12-04 e1d9372c1f7e…
AS8003 US assigned 2024-12-04 af306ed5cf31…
AS11504 US assigned 2024-12-04 71750e90587c…
AS11794 US assigned 2024-12-04 6ff95798f6eb…
AS13378 US assigned 2024-12-04 e3bd8508d8a3…
AS13405 US assigned 2024-12-04 0f61efd62492…
AS13696 US assigned 2024-12-04 7304efc7e379…
AS2763 US assigned 2024-12-03 96d8636ecbf4…
AS3144 US assigned 2024-12-03 0a8150948cf0…
AS3402 KY assigned 2024-12-03 ef12c4f3cf44…
AS4354 US assigned 2024-12-03 e3597c5a4ae0…
AS5641 US assigned 2024-12-03 e3597c5a4ae0…
AS27161 US assigned 2024-12-03 0cc5314bf940…
AS401537 US assigned 2024-12-03 3476d1728f31…
AS401538 US assigned 2024-12-03 488d2a5b6891…
AS401534 US assigned 2024-12-02 a39bb63029a8…
AS401535 US assigned 2024-12-02 09cb27174000…
AS401536 US assigned 2024-12-02 0fef27e190de…
AS2724 US assigned 2024-11-27 e392a535b860…
AS33438 US assigned 2024-11-27 04fa4c1ea8a4…
AS401522 US assigned 2024-11-27 e2abcb8b157d…
AS401523 US assigned 2024-11-27 226a9b3d4a92…
AS401524 US assigned 2024-11-27 86625d8358b2…
AS401525 US assigned 2024-11-27 b366a8bc3927…
AS401526 US assigned 2024-11-27 ae0b81d1a7ea…
AS401527 US assigned 2024-11-27 1e0c2f47df2b…
AS401528 US assigned 2024-11-27 eb9f7e2eb292…
AS401529 US assigned 2024-11-27 020215747e61…
AS401530 US assigned 2024-11-27 a6c4b2e555af…
AS401531 US assigned 2024-11-27 1a8ef1181cbb…
2,201–2,300 of 32,715 « first‹ prev 2122232425 next ›last » of 328