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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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS40476 US assigned 2019-12-30 2c1ccc013c2e…
AS40694 US assigned 2019-12-30 b91d354b60e8…
AS46292 US assigned 2019-12-30 dbee530c3d3d…
AS46316 US assigned 2019-12-30 8719049cd41b…
AS46610 US assigned 2019-12-30 19c18149c527…
AS46686 CA assigned 2019-12-30 f1ec75c7305a…
AS53612 US assigned 2019-12-30 b0c56e03b66b…
AS55273 US assigned 2019-12-30 fdcf73d38e91…
AS32018 CA assigned 2019-12-27 34d425352047…
AS33412 CA assigned 2019-12-27 05e9d864971a…
AS395177 US assigned 2019-12-27 e846ce6ed508…
AS398248 US assigned 2019-12-26 8904eb256f41…
AS398249 US assigned 2019-12-26 59fc32b98979…
AS398250 US assigned 2019-12-26 5be5f4e1df52…
AS398251 US assigned 2019-12-26 991b64ed113e…
AS398252 US assigned 2019-12-26 1284ae17987f…
AS398254 US assigned 2019-12-26 340a871bd1a9…
AS27404 CA assigned 2019-12-20 d87a02a3dd52…
AS398245 US assigned 2019-12-20 a59162be314b…
AS398246 US assigned 2019-12-20 dc7723950467…
AS398247 US assigned 2019-12-20 a92da0b3de4c…
AS398240 US assigned 2019-12-19 08764d1469ad…
AS398241 US assigned 2019-12-19 17457d71987c…
AS398242 US assigned 2019-12-19 e07a315a44f7…
AS398243 US assigned 2019-12-19 95f2cc110c69…
AS398239 US assigned 2019-12-18 07effa21c79f…
AS35920 US assigned 2019-12-17 6abe7ec8d70d…
AS398232 US assigned 2019-12-17 417ca08f4ca5…
AS398233 US assigned 2019-12-17 503a848fe0ee…
AS398234 US assigned 2019-12-17 6b8b88ddce28…
AS398236 US assigned 2019-12-17 2627037a004b…
AS398237 US assigned 2019-12-17 b620c2248652…
AS398238 US assigned 2019-12-17 a194d34336a4…
AS18826 US assigned 2019-12-16 a2af78ab8a6b…
AS398226 US assigned 2019-12-16 a9573fbe0fda…
AS398227 US assigned 2019-12-16 9cfa5cf69686…
AS398228 AG assigned 2019-12-16 7606f0925e6c…
AS398229 US assigned 2019-12-16 a06a4485b7e5…
AS398230 US assigned 2019-12-16 24f8fa488a2e…
AS398231 US assigned 2019-12-16 449999d745b2…
AS398222 US assigned 2019-12-13 769ab3b64f7f…
AS398223 US assigned 2019-12-13 477a2fd13305…
AS18891 US assigned 2019-12-12 603253281853…
AS19593 US assigned 2019-12-12 07cfedc48bbe…
AS398214 US assigned 2019-12-12 c09fb2b88bd8…
AS398215 US assigned 2019-12-12 fd545086f477…
AS398216 CA assigned 2019-12-12 f4c1f1d0c5a3…
AS398217 US assigned 2019-12-12 ca082c765f5a…
AS398218 US assigned 2019-12-12 56189c118f6c…
AS398219 US assigned 2019-12-12 37a48b24fa7a…
AS398220 US assigned 2019-12-12 152444cab439…
AS398221 US assigned 2019-12-12 0924e0c28d49…
AS398209 US assigned 2019-12-11 a8c6463a5821…
AS398210 US assigned 2019-12-11 892d15573081…
AS398212 US assigned 2019-12-11 6ff6bbc40a8c…
AS398201 US assigned 2019-12-10 5ff92d7f685f…
AS398202 US assigned 2019-12-10 c69d336501b4…
AS398203 US assigned 2019-12-10 4dbfd0ff93a1…
AS398204 US assigned 2019-12-10 1d4abc9d6935…
AS398205 US assigned 2019-12-10 9859fa535b2c…
AS398206 US assigned 2019-12-10 91aa71424237…
AS398207 US assigned 2019-12-10 20fd72ac2045…
AS53463 US assigned 2019-12-09 ecbb22c8193d…
AS398200 US assigned 2019-12-09 af9724ed1a52…
AS53565 US assigned 2019-12-06 e392a535b860…
AS398196 US assigned 2019-12-06 c3d98b3073b2…
AS398197 US assigned 2019-12-06 733e76d7e0fa…
AS398198 US assigned 2019-12-06 a9beba94ff68…
AS54377 US assigned 2019-12-05 affa544aac05…
AS54429 US assigned 2019-12-05 8210d98a3c50…
AS398194 US assigned 2019-12-05 6cee1078676c…
AS398195 US assigned 2019-12-05 37812a129f4c…
AS19826 US assigned 2019-12-04 e3597c5a4ae0…
AS27339 US assigned 2019-12-04 2b2258e4ff2b…
AS53476 US assigned 2019-12-04 bf8a37c52a37…
AS54502 US assigned 2019-12-04 0c42a2fb04ca…
AS15322 US assigned 2019-12-03 5cf819c81d51…
AS54903 US assigned 2019-12-03 2e2f131aa108…
AS32197 US assigned 2019-12-02 695940e40fff…
AS32198 US assigned 2019-12-02 becc30b71aa2…
AS54956 US assigned 2019-12-02 2eaf7c24e15d…
AS54978 US assigned 2019-12-02 fa966f49c9ac…
AS55217 US assigned 2019-12-02 9ddd4d0aa1d1…
AS63398 US assigned 2019-12-02 59d570838b50…
AS398190 US assigned 2019-12-02 b97f53bb62a1…
AS398191 US assigned 2019-12-02 e0ea490865b7…
AS398192 US assigned 2019-12-02 7dd61548a9ec…
AS398193 US assigned 2019-12-02 5089e38ad9ed…
AS398183 US assigned 2019-11-26 97d88d6cc12e…
AS398185 US assigned 2019-11-26 acea559ec157…
AS398186 US assigned 2019-11-26 48c7b32b6133…
AS398187 US assigned 2019-11-26 1a0956678a30…
AS398188 US assigned 2019-11-26 4527048035d4…
AS398189 US assigned 2019-11-26 7606104ac51e…
AS62987 US assigned 2019-11-25 05758729b4c3…
AS398181 US assigned 2019-11-25 c89efa2f1a0e…
AS398182 CA assigned 2019-11-25 6db0a608d84b…
AS398179 US assigned 2019-11-22 11cd604d76f4…
AS398180 US assigned 2019-11-22 ce19de5f262d…
AS398175 US assigned 2019-11-21 9e67861ebb96…
7,901–8,000 of 32,721 « first‹ prev 7879808182 next ›last » of 328