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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
AS402267 US assigned 2026-03-06 41ec20e6494e…
AS402268 US assigned 2026-03-06 bed9018adb90…
AS402269 US assigned 2026-03-06 f5726c0a014d…
AS26828 US assigned 2026-03-05 cb92887f9267…
AS203939 US assigned 2026-03-05 d6099822d2d3…
AS402252 US assigned 2026-03-04 02a2dfcb4acf…
AS402253 KN assigned 2026-03-04 ff490b631533…
AS402254 CA assigned 2026-03-04 cfdab798f879…
AS402255 US assigned 2026-03-04 d21c64074999…
AS402256 US assigned 2026-03-04 1bded53dcf28…
AS402257 US assigned 2026-03-04 1c2297770441…
AS4167 US assigned 2026-03-03 8be5a180db79…
AS402248 US assigned 2026-03-03 0778f38ce84f…
AS402249 US assigned 2026-03-03 0778f38ce84f…
AS402250 US assigned 2026-03-03 0778f38ce84f…
AS402251 US assigned 2026-03-03 0778f38ce84f…
AS402245 CA assigned 2026-03-02 7dec5faf116e…
AS402246 VG assigned 2026-03-02 2abc0b7552bf…
AS402247 US assigned 2026-03-02 5bde141b02e0…
AS402239 US assigned 2026-02-27 137f54517e6b…
AS402240 US assigned 2026-02-27 8cb840a1890f…
AS402241 US assigned 2026-02-27 85eb8ed7ebe1…
AS402242 US assigned 2026-02-27 1696ecafd897…
AS402243 CA assigned 2026-02-27 d6a6bedcaa64…
AS402244 US assigned 2026-02-27 fa1b5792c3ba…
AS402229 US assigned 2026-02-26 2f0c7b8229e8…
AS402230 US assigned 2026-02-26 bf9d4d021a79…
AS402231 US assigned 2026-02-26 ad555005133c…
AS402232 US assigned 2026-02-26 5ade0dde4a3e…
AS402233 US assigned 2026-02-26 a4c96733a277…
AS402234 US assigned 2026-02-26 dd96a672379d…
AS402235 US assigned 2026-02-26 67773d3ecc1c…
AS402236 US assigned 2026-02-26 e2e700fe523a…
AS402237 CA assigned 2026-02-26 c265eecd0a4d…
AS402238 US assigned 2026-02-26 8829ea5ad651…
AS402226 US assigned 2026-02-25 41c9d5c09ce3…
AS402227 US assigned 2026-02-25 97f3c5364ed8…
AS402228 US assigned 2026-02-25 97f3c5364ed8…
AS402222 US assigned 2026-02-24 1866cb481d86…
AS402223 US assigned 2026-02-24 d01f3b7964d6…
AS402224 US assigned 2026-02-24 a5733d22e8ad…
AS402225 US assigned 2026-02-24 79d47e4ae482…
AS402218 US assigned 2026-02-23 65fa60f15a82…
AS402219 US assigned 2026-02-23 29f638837e7b…
AS402220 US assigned 2026-02-23 9b40a13ef799…
AS402221 US assigned 2026-02-23 d116c21d0ced…
AS400292 US assigned 2026-02-20 2b02fc01cd1d…
AS400308 US assigned 2026-02-20 a3e37a676160…
AS400453 US assigned 2026-02-20 b4bbee4440f7…
AS400787 US assigned 2026-02-20 10c135c47f13…
AS401303 US assigned 2026-02-20 e3597c5a4ae0…
AS402211 US assigned 2026-02-20 e3597c5a4ae0…
AS402212 US assigned 2026-02-20 84f555506dd5…
AS402213 US assigned 2026-02-20 ab4e392e2200…
AS402214 US assigned 2026-02-20 f9c8c08cb06e…
AS402215 US assigned 2026-02-20 9c78ea443215…
AS402216 US assigned 2026-02-20 37e9ee3acd3b…
AS402217 US assigned 2026-02-20 4fb6f35dda15…
AS4969 US assigned 2026-02-19 587b0beea008…
AS8097 US assigned 2026-02-19 587b0beea008…
AS396170 US assigned 2026-02-19 41650aa02350…
AS398948 US assigned 2026-02-19 6ce51781328f…
AS399144 US assigned 2026-02-19 84803e6bdc21…
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…
501–600 of 32,715 « first‹ prev 45678 next ›last » of 328