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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
1.64B
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
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…
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…
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…
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…
AS21658 US assigned 2024-04-04 b4b3b66606eb…
AS400956 US assigned 2024-04-04 b0db3ef881c6…
AS400957 US assigned 2024-04-04 3bb4914d9876…
AS400958 US assigned 2024-04-04 aeb1d1a074fc…
AS400943 US assigned 2024-04-03 1a0925bb65ed…
AS400944 US assigned 2024-04-03 8cf831a96cb2…
AS400946 US assigned 2024-04-03 43eae1220e56…
AS400947 US assigned 2024-04-03 f98368de2438…
AS400948 US assigned 2024-04-03 3868ab92bd48…
AS400949 US assigned 2024-04-03 ff9612f30b16…
AS400950 US assigned 2024-04-03 06ccc82911e4…
AS400951 US assigned 2024-04-03 12b0065ef1c7…
AS400952 US assigned 2024-04-03 93decd83d23f…
AS400953 US assigned 2024-04-03 bdcb7f146403…
AS19949 US assigned 2024-04-02 b4d9382ac5e1…
AS20457 US assigned 2024-04-02 81da1a4c6b48…
AS55031 US assigned 2024-04-02 ff06a62862f3…
AS11891 US assigned 2024-04-01 6eb2dc5e54ea…
AS14612 US assigned 2024-04-01 c048f45e69db…
AS14923 US assigned 2024-04-01 5cc7e18056a5…
AS19344 US assigned 2024-04-01 9cb232cebcf7…
AS19385 US assigned 2024-04-01 3e77e7285e5e…
AS30684 PR assigned 2024-04-01 112d71b090fa…
AS36330 US assigned 2024-04-01 70be7913d410…
AS53808 US assigned 2024-04-01 e052cfbe1698…
AS393491 US assigned 2024-04-01 3e77e7285e5e…
AS393588 US assigned 2024-04-01 3e77e7285e5e…
AS399319 CA assigned 2024-04-01 04ef318a952f…
AS400942 US assigned 2024-04-01 3e77e7285e5e…
AS398834 CA assigned 2024-03-29 fa9ea1682692…
AS399286 US assigned 2024-03-29 ffb6806baf5f…
AS394880 US assigned 2024-03-28 93680f2998b7…
AS395714 US assigned 2024-03-28 f21130892698…
AS396063 US assigned 2024-03-28 f21130892698…
AS397363 US assigned 2024-03-28 f21130892698…
AS397957 US assigned 2024-03-28 f21130892698…
AS33531 US assigned 2024-03-27 cf258f26d886…
AS36020 US assigned 2024-03-27 d0b4d8aaef40…
AS40450 US assigned 2024-03-27 a8238405622e…
AS54436 US assigned 2024-03-27 fdf518a132d4…
AS54997 US assigned 2024-03-27 764429cb037a…
AS394791 US assigned 2024-03-27 ee75f10c1665…
AS32759 US assigned 2024-03-26 7a0eaf110890…
AS32943 US assigned 2024-03-26 6db6bc095579…
AS33341 US assigned 2024-03-26 a5e32628639d…
AS50219 US assigned 2024-03-26 d18353c804c4…
AS64468 US assigned 2024-03-26 cf258f26d886…
3,401–3,500 of 32,959 « first‹ prev 3334353637 next ›last » of 330