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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
1,645,592,320
📦
IPv4 networks
76,752
delegated blocks
🧭
IPv6 networks
11,431
delegated blocks
🔗
Autonomous systems
34,103
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS395411 US assigned 2026-09-14 e268c59a2641…
AS396144 US assigned 2026-09-14 13bf4f46abcb…
AS53279 US assigned 2026-09-11 9389b00a3ebf…
AS54694 US assigned 2026-09-11 467a70f08e73…
AS62847 US assigned 2026-09-11 2c8aa6403b6c…
AS63352 US assigned 2026-09-11 aeaa6237da13…
AS393402 US assigned 2026-09-11 48262d8f2428…
AS393421 US assigned 2026-09-11 5c3bc4e66f14…
AS393498 US assigned 2026-09-11 4c0b645bbf98…
AS393944 US assigned 2026-09-11 838e542c8432…
AS394030 US assigned 2026-09-11 e82d194a7abf…
AS394203 US assigned 2026-09-11 eef810733cb3…
AS394582 CA assigned 2026-09-11 73a298fd72d2…
AS395197 US assigned 2026-09-11 67f5f6e0a033…
AS395199 US assigned 2026-09-11 34b4d4340068…
AS46220 US assigned 2026-09-10 495cb0960b9f…
AS22061 US assigned 2026-09-09 28408e4f0567…
AS23212 US assigned 2026-09-09 cf8e2d6b8da9…
AS25666 US assigned 2026-09-09 cf0f97cb58c4…
AS25953 US assigned 2026-09-09 176d864e5d5a…
AS31795 CA assigned 2026-09-09 092d3dd545fa…
AS31806 US assigned 2026-09-09 ff3c11a39ec4…
AS36606 US assigned 2026-09-09 c4402253bb63…
AS393403 US assigned 2026-09-08 c0dd80d5f675…
AS402981 US assigned 2026-09-08 f450dd911d2c…
AS402980 US assigned 2026-09-04 3514a3affa96…
AS402975 US assigned 2026-09-03 8f2be08d25a0…
AS402976 US assigned 2026-09-03 c74b8ae6cc3b…
AS402977 US assigned 2026-09-03 eb893273d215…
AS402978 US assigned 2026-09-03 8d4ad0f78dd4…
AS402979 US assigned 2026-09-03 dcfbb4ef6666…
AS402973 US assigned 2026-09-02 b5c00d0ae905…
AS402974 CA assigned 2026-09-02 7e08a2f671a2…
AS402970 US assigned 2026-09-01 0b77ce1926aa…
AS402971 US assigned 2026-09-01 c6f150d2f708…
AS402972 US assigned 2026-09-01 64acd391337f…
AS22736 US assigned 2026-08-31 29c7260133dc…
AS402967 US assigned 2026-08-31 b6d59e6c5a62…
AS402968 CA assigned 2026-08-31 0b2a452ba0ed…
AS402969 ID assigned 2026-08-31 e4ebfa4e34f3…
AS402964 US assigned 2026-08-28 2ebee5b7ba27…
AS402965 US assigned 2026-08-28 4cf7c854f7b8…
AS402966 US assigned 2026-08-28 a00a2d931f43…
AS402963 US assigned 2026-08-27 435163051f4d…
AS402957 US assigned 2026-08-26 39776b7f6a72…
AS402958 US assigned 2026-08-26 2e27ab1175d6…
AS402959 CA assigned 2026-08-26 6f564bec04aa…
AS402960 US assigned 2026-08-26 a511e0415c2e…
AS402961 US assigned 2026-08-26 70570d1759d2…
AS402962 US assigned 2026-08-26 ff4641ebd490…
AS402954 US assigned 2026-08-25 bee76049446f…
AS402955 US assigned 2026-08-25 2b157ac88120…
AS402956 US assigned 2026-08-25 8777f88b724a…
AS1404 US assigned 2026-08-24 9e7b6e3622db…
AS402946 US assigned 2026-08-24 15b5cbfc80c8…
AS402947 US assigned 2026-08-24 15b5cbfc80c8…
AS402948 US assigned 2026-08-24 8a7075874a0d…
AS402949 MX assigned 2026-08-24 7dd6fc376bf0…
AS402950 US assigned 2026-08-24 a0b3f12c11ac…
AS402951 US assigned 2026-08-24 f90c7ba45c7f…
AS402952 US assigned 2026-08-24 6065a036b0b8…
AS402953 US assigned 2026-08-24 a64810cf9450…
AS46635 US assigned 2026-08-20 b66056dfa062…
AS402940 US assigned 2026-08-20 b15b375862a6…
AS402941 US assigned 2026-08-20 cedca7cd4499…
AS402942 US assigned 2026-08-20 3d930aa69792…
AS402943 US assigned 2026-08-20 e16424f968ed…
AS402944 VG assigned 2026-08-20 8ca88f36b762…
AS402945 US assigned 2026-08-20 ef4e6e92e5f6…
AS402934 US assigned 2026-08-19 d74af15e3c77…
AS402935 US assigned 2026-08-19 26dc6d537920…
AS402936 US assigned 2026-08-19 d90d80624ef4…
AS402937 US assigned 2026-08-19 d23a33d0b3f8…
AS402938 US assigned 2026-08-19 a018bc6d3e68…
AS402939 US assigned 2026-08-19 4ac541fcd531…
AS402931 US assigned 2026-08-18 f2c790034193…
AS402932 US assigned 2026-08-18 6c84e952f265…
AS402933 US assigned 2026-08-18 8cf856627f4e…
AS402927 US assigned 2026-08-14 77b3036370ef…
AS402928 US assigned 2026-08-14 9ac42f85cc99…
AS402929 US assigned 2026-08-14 0078016d175f…
AS402930 US assigned 2026-08-14 1836110e3839…
AS18609 US assigned 2026-08-13 24acb262e483…
AS40286 CA assigned 2026-08-13 c49982aff97e…
AS402921 US assigned 2026-08-13 6a2bec1ff1c3…
AS402922 US assigned 2026-08-13 203f5fafa936…
AS402923 US assigned 2026-08-13 bb14acc33eba…
AS402924 US assigned 2026-08-13 ed70119fceee…
AS402925 US assigned 2026-08-13 627e81774c49…
AS402926 US assigned 2026-08-13 627e81774c49…
AS402918 US assigned 2026-08-12 4c48b4fd1dd1…
AS402919 CA assigned 2026-08-12 3543a7a687e4…
AS402920 US assigned 2026-08-12 6a306b9540de…
AS54942 US assigned 2026-08-11 f3165d6619b8…
AS402916 US assigned 2026-08-11 dfae27bc9601…
AS402917 US assigned 2026-08-11 0c37af6b8ad9…
AS402910 US assigned 2026-08-10 82062eceb824…
AS402911 MY assigned 2026-08-10 8c2dd98ecfed…
AS402912 US assigned 2026-08-10 cb900f6c2776…
AS402913 US assigned 2026-08-10 7ca700bbd2a1…
1–100 of 32,959 123 next ›last » of 330