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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
AS396171 US assigned 2024-04-30 11ebec70f8de…
AS397368 US assigned 2024-04-30 49eb56019288…
AS393934 US assigned 2024-04-29 860fe0b57fa1…
AS401035 CA assigned 2024-04-29 672804b27b93…
AS401036 US assigned 2024-04-29 2355861adad7…
AS401037 US assigned 2024-04-29 0778f38ce84f…
AS401038 CA assigned 2024-04-29 12a8c9d69826…
AS32121 CA assigned 2024-04-26 a9d1dda41ec4…
AS54517 US assigned 2024-04-26 6f7792c98e3d…
AS401030 CA assigned 2024-04-26 a6ecfa8ffbfc…
AS401031 US assigned 2024-04-26 99731eac9467…
AS401032 US assigned 2024-04-26 11ebec70f8de…
AS401033 US assigned 2024-04-26 8e73805a2549…
AS401034 AG assigned 2024-04-26 9e5ee2345110…
AS401025 US assigned 2024-04-25 4454716f08a8…
AS401026 US assigned 2024-04-25 48e15959ba30…
AS401027 US assigned 2024-04-25 b72cd75895ad…
AS401028 AG assigned 2024-04-25 ba18948bac1f…
AS401029 US assigned 2024-04-25 6a55268a62f2…
AS401301 AG assigned 2024-04-25 ba18948bac1f…
AS22281 US assigned 2024-04-24 4e046724fce7…
AS26795 US assigned 2024-04-24 0c9d1cdbf8dc…
AS36680 US assigned 2024-04-24 55c05d63f1b5…
AS398032 US assigned 2024-04-24 a180d9e7de06…
AS400591 CA assigned 2024-04-24 778880eca50c…
AS20421 US assigned 2024-04-23 2b1906ef1a0f…
AS23459 US assigned 2024-04-23 39e6d34e8feb…
AS401015 US assigned 2024-04-23 c09670732e2c…
AS401017 US assigned 2024-04-23 4fe811f3de77…
AS401018 US assigned 2024-04-23 8c02e81a5934…
AS401019 US assigned 2024-04-23 13c44891db6d…
AS401020 US assigned 2024-04-23 1b3eb83e45bb…
AS401021 US assigned 2024-04-23 b3f26a4ba8c5…
AS401022 PR assigned 2024-04-23 6c08b7b16d85…
AS401023 US assigned 2024-04-23 dd23012401e8…
AS401024 US assigned 2024-04-23 19b751da71d9…
AS23449 US assigned 2024-04-22 7d399eeb93cb…
AS401010 US assigned 2024-04-22 a2986a9eb4e2…
AS401012 US assigned 2024-04-22 0e771474071b…
AS401013 PR assigned 2024-04-22 c6dc974b04be…
AS401014 US assigned 2024-04-22 a901d6bdc0c7…
AS35952 US assigned 2024-04-19 821d2c395ea0…
AS401004 US assigned 2024-04-19 c70d53578858…
AS401005 US assigned 2024-04-19 31feb82b1b56…
AS401006 US assigned 2024-04-19 8306634f7620…
AS401007 PR assigned 2024-04-19 de98f4595487…
AS401008 US assigned 2024-04-19 c2cdc3de9680…
AS401009 US assigned 2024-04-19 c4f21d33feb4…
AS20082 CA assigned 2024-04-18 66ff9a1231c9…
AS13974 US assigned 2024-04-17 dca4fa6f9780…
AS400998 US assigned 2024-04-17 f3e24627ff83…
AS400999 US assigned 2024-04-17 124d35e6d237…
AS401000 US assigned 2024-04-17 280f0e2dfed5…
AS401001 US assigned 2024-04-17 b96da359fae7…
AS401002 US assigned 2024-04-17 706476d39f8d…
AS13800 US assigned 2024-04-16 e71d75d801ce…
AS400993 US assigned 2024-04-16 73b9d23b8c2e…
AS400994 US assigned 2024-04-16 e0fb5150a5bd…
AS400995 US assigned 2024-04-16 7190401f4e33…
AS400996 US assigned 2024-04-16 190431e9b889…
AS400997 US assigned 2024-04-16 48b31300fae4…
AS27174 US assigned 2024-04-15 03cd8b63284b…
AS55151 US assigned 2024-04-15 4c8e82db94d8…
AS400983 US assigned 2024-04-15 109ec8e5ba99…
AS400984 US assigned 2024-04-15 b11aa24b13c1…
AS400986 US assigned 2024-04-15 a19cdad58f66…
AS400987 CA assigned 2024-04-15 ba46ad74d954…
AS400988 US assigned 2024-04-15 4c8a32e9a0c9…
AS400989 US assigned 2024-04-15 d9fd5353c28d…
AS400990 US assigned 2024-04-15 dac3a914e7ff…
AS400991 US assigned 2024-04-15 ad49264270ae…
AS400992 US assigned 2024-04-15 052ae2c2f1e4…
AS401302 US assigned 2024-04-15 ad49264270ae…
AS400980 US assigned 2024-04-12 c9eabf71c090…
AS400981 CA assigned 2024-04-12 b568a322da96…
AS400982 US assigned 2024-04-12 a6e99557d253…
AS399666 US assigned 2024-04-11 490601c94b6f…
AS400976 US assigned 2024-04-11 00685e9e37f9…
AS400977 US assigned 2024-04-11 6426c46ab2ba…
AS400979 CA assigned 2024-04-11 2659631f3e05…
AS16994 US assigned 2024-04-10 56f076a6f3f3…
AS62711 US assigned 2024-04-10 0374f6af5dd8…
AS62902 US assigned 2024-04-10 a324684ca8ff…
AS400969 US assigned 2024-04-10 91a54ac1985c…
AS400970 CA assigned 2024-04-10 6dd386e52364…
AS400972 US assigned 2024-04-10 e3597c5a4ae0…
AS400973 US assigned 2024-04-10 e3597c5a4ae0…
AS400974 US assigned 2024-04-10 8323b3bf0256…
AS400975 US assigned 2024-04-10 26824efe12cd…
AS62963 US assigned 2024-04-09 e1bb8776325f…
AS27380 CA assigned 2024-04-08 2ea56f58599e…
AS400961 US assigned 2024-04-08 d6f7a22d68a2…
AS400962 US assigned 2024-04-08 e69628c5e211…
AS400963 US assigned 2024-04-08 c6ca6b3ed250…
AS400964 US assigned 2024-04-08 c526ba0ef80a…
AS400965 US assigned 2024-04-08 54265d024776…
AS400966 US assigned 2024-04-08 eacecc9338ea…
AS400967 US assigned 2024-04-08 eef88e9b5e06…
AS400959 US assigned 2024-04-05 18b4a0da7f89…
AS400960 CA assigned 2024-04-05 8a25bb47c584…
3,101–3,200 of 32,715 « first‹ prev 3031323334 next ›last » of 328