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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
AS402291 US assigned 2026-03-13 8f498e1f3a0f…
AS402292 US assigned 2026-03-13 cf6355e52e9b…
AS402293 US assigned 2026-03-13 59cabfbc354c…
AS402294 US assigned 2026-03-13 0a122c671f86…
AS402295 US assigned 2026-03-13 9543177e9e77…
AS402296 TH assigned 2026-03-13 db9af2d787a2…
AS402297 CA assigned 2026-03-13 95b3a372153b…
AS402298 US assigned 2026-03-13 f88de70eacf4…
AS402299 US assigned 2026-03-13 1d0fcb050766…
AS402300 US assigned 2026-03-13 e5675d10d8a2…
AS402301 US assigned 2026-03-13 b7052dd4f881…
AS402302 US assigned 2026-03-13 286d8c1bc6d5…
AS402284 US assigned 2026-03-12 466aa4973582…
AS402280 US assigned 2026-03-11 66963792b58d…
AS402281 US assigned 2026-03-11 6210fd288689…
AS402282 US assigned 2026-03-11 934d503df32b…
AS402283 US assigned 2026-03-11 4de659ae641b…
AS402272 US assigned 2026-03-10 69afb951f545…
AS402273 US assigned 2026-03-10 ef2b46aad9fc…
AS402274 US assigned 2026-03-10 67dd488a3570…
AS402275 US assigned 2026-03-10 9562ffb65d4f…
AS402276 CA assigned 2026-03-10 c8a04541dc87…
AS402277 US assigned 2026-03-10 a9511c218d92…
AS402278 CA assigned 2026-03-10 557ff373282c…
AS402279 US assigned 2026-03-10 ea54025b8254…
AS402270 US assigned 2026-03-09 dcdd5fb03600…
AS402271 US assigned 2026-03-09 5c5a9c76453c…
AS33585 US assigned 2026-03-06 16c0562b42bb…
AS402258 US assigned 2026-03-06 73f625013ea7…
AS402259 US assigned 2026-03-06 aefbfc0b474f…
AS402260 US assigned 2026-03-06 59f41e8ad576…
AS402261 US assigned 2026-03-06 040566c854a7…
AS402262 US assigned 2026-03-06 77946cadc2f8…
AS402263 US assigned 2026-03-06 268100cd3666…
AS402264 US assigned 2026-03-06 76e092c1413c…
AS402265 US assigned 2026-03-06 56230b34e29e…
AS402266 US assigned 2026-03-06 4b0dbe476a3e…
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…
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