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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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS399884 LC assigned 2026-02-19 dfb88fb87fb5…
AS63059 US assigned 2026-02-18 6288810fd60d…
AS63477 US assigned 2026-02-18 59505d4815a9…
AS393295 US assigned 2026-02-18 db93161efa49…
AS394801 US assigned 2026-02-18 3ff32d3c1506…
AS395470 US assigned 2026-02-18 45175cfd2483…
AS395765 CA assigned 2026-02-18 91dff77253c1…
AS5116 US assigned 2026-02-17 e864b76d1fe2…
AS7079 US assigned 2026-02-17 e864b76d1fe2…
AS11600 US assigned 2026-02-17 31a7e0a2e974…
AS31924 US assigned 2026-02-17 0aee19decd98…
AS33355 US assigned 2026-02-17 20cdfff699cb…
AS46464 US assigned 2026-02-17 03e07bfa1506…
AS47091 US assigned 2026-02-17 e75d7c61f207…
AS55177 US assigned 2026-02-17 5474db1663ab…
AS21867 US assigned 2026-02-13 f01f64b3e568…
AS22503 US assigned 2026-02-13 6933808648d6…
AS22871 US assigned 2026-02-13 723c3cc09f7a…
AS26369 US assigned 2026-02-13 30e6f0ab7cc0…
AS26412 US assigned 2026-02-13 9a84ef1e3a85…
AS26653 CA assigned 2026-02-13 03a2ba8f3887…
AS32878 US assigned 2026-02-13 305063b1ac68…
AS40352 US assigned 2026-02-13 db747aa505bb…
AS62936 US assigned 2026-02-13 3936f7840ede…
AS63192 US assigned 2026-02-13 6a607c47fa6f…
AS394804 US assigned 2026-02-13 61b67094a9d0…
AS11093 CA assigned 2026-02-12 142d18bd4701…
AS14341 US assigned 2026-02-12 7488b9e021ec…
AS17325 CA assigned 2026-02-12 cc76cb4d3858…
AS18513 US assigned 2026-02-12 5ff07f34ef40…
AS19183 US assigned 2026-02-12 c29bf2632f91…
AS19267 US assigned 2026-02-12 fa9c287996e5…
AS30088 US assigned 2026-02-12 68b3a6c125b9…
AS214346 US assigned 2026-02-12 16c13149c63c…
AS5096 US assigned 2026-02-11 4f8bdf05c43e…
AS27212 US assigned 2026-02-11 85fa04931cdb…
AS402210 US assigned 2026-02-11 62f1675dd747…
AS64259 US assigned 2026-02-10 c98caece5a0e…
AS397642 US assigned 2026-02-10 b7b812c3702c…
AS402201 US assigned 2026-02-10 e712bed62c0a…
AS402202 US assigned 2026-02-10 9e51f8e1f4b1…
AS402203 US assigned 2026-02-10 e530329ed1a7…
AS402204 US assigned 2026-02-10 15a05d800074…
AS402205 US assigned 2026-02-10 e3ec66cd49d3…
AS402206 US assigned 2026-02-10 e3ec66cd49d3…
AS402207 US assigned 2026-02-10 e3ec66cd49d3…
AS402208 US assigned 2026-02-10 736d03122fe0…
AS402209 US assigned 2026-02-10 8306634f7620…
AS402188 US assigned 2026-02-09 ea3a4c65b990…
AS402189 US assigned 2026-02-09 ea3a4c65b990…
AS402190 US assigned 2026-02-09 ea3a4c65b990…
AS402191 US assigned 2026-02-09 ea3a4c65b990…
AS402192 US assigned 2026-02-09 4b92fb37de7c…
AS402193 US assigned 2026-02-09 afeb5d5905d2…
AS402194 CA assigned 2026-02-09 ad76e13b8b85…
AS402195 US assigned 2026-02-09 9820f0c84375…
AS402196 US assigned 2026-02-09 8e156fe4eb79…
AS402197 US assigned 2026-02-09 3df584d77406…
AS402198 US assigned 2026-02-09 9ce1c129bc62…
AS402199 CA assigned 2026-02-09 060a5ea85d52…
AS402200 US assigned 2026-02-09 603253281853…
AS402185 US assigned 2026-02-06 7ab1da403fe2…
AS402186 US assigned 2026-02-06 065d2eae814a…
AS402187 US assigned 2026-02-06 cd3c1483e758…
AS402178 US assigned 2026-02-05 b41d9df0c405…
AS402179 US assigned 2026-02-05 1ba157ae23c7…
AS402180 US assigned 2026-02-05 1ee76c94ece5…
AS402181 US assigned 2026-02-05 d24646990086…
AS402182 US assigned 2026-02-05 844dbdadfbc8…
AS402183 US assigned 2026-02-05 e60a1002a639…
AS402184 US assigned 2026-02-05 c16c452b262f…
AS402175 KY assigned 2026-02-04 0376ccd75a5c…
AS402176 US assigned 2026-02-04 9d959a1634d4…
AS402177 US assigned 2026-02-04 a13a23ea9c50…
AS402172 CA assigned 2026-02-03 fda327863c17…
AS402173 US assigned 2026-02-03 f89131e5a214…
AS402174 US assigned 2026-02-03 074125ced64b…
AS51844 US assigned 2026-02-02 b37ba6936824…
AS402170 US assigned 2026-02-02 3bfa54186c82…
AS402171 US assigned 2026-02-02 2f43ee0a3d45…
AS402164 US assigned 2026-01-30 9744ae7d0d36…
AS402165 US assigned 2026-01-30 090f758aeeb7…
AS402166 US assigned 2026-01-30 f0ddd146fdd0…
AS402167 US assigned 2026-01-30 7b298f3742c0…
AS402168 US assigned 2026-01-30 96984501edf9…
AS402169 US assigned 2026-01-30 5d19dcc66287…
AS402160 US assigned 2026-01-29 7915f997f253…
AS402161 US assigned 2026-01-29 2c312495609e…
AS402162 US assigned 2026-01-29 ab9e4d9ee01c…
AS402163 US assigned 2026-01-29 c86401bd23d4…
AS26769 US assigned 2026-01-28 1eb89809c48a…
AS394616 US assigned 2026-01-28 cfb7601b1e2d…
AS402155 US assigned 2026-01-28 d3c99c461de4…
AS402156 US assigned 2026-01-28 6bd466b5e0fb…
AS402157 US assigned 2026-01-28 ad47f5c7a810…
AS402158 US assigned 2026-01-28 bf54755317c2…
AS402159 US assigned 2026-01-28 dfc3bc302cd1…
AS402149 US assigned 2026-01-27 0fa468eb6e8d…
AS402150 US assigned 2026-01-27 7c50412c5439…
AS402151 US assigned 2026-01-27 b519473fc2df…
1,101–1,200 of 33,137 « first‹ prev 1011121314 next ›last » of 332