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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
PrefixCountryStatusAllocatedOrg handle
2602:f513::/40 US allocated 2025-10-15 7915f997f253…
2602:f514::/40 US allocated 2025-10-15 081d092c5b5c…
2602:f515::/40 US allocated 2025-10-15 2dd2b0848daa…
2602:f516::/36 US allocated 2025-10-15 ecf2653ce245…
2604:2520::/32 US allocated 2025-10-15 4ac271f0f6f5…
2620:de:6000::/48 US allocated 2025-10-15 083b0cd1b1e8…
2631:7000::/28 US allocated 2025-10-15 398fb0a40b27…
2602:f517::/40 US allocated 2025-10-14 ae4c96dea573…
2602:f518::/36 US allocated 2025-10-14 98e6b8462613…
2602:f519::/40 US allocated 2025-10-14 b6d8e9076a51…
2602:f51a::/40 US allocated 2025-10-14 9497068be6ee…
2602:f51b::/40 US allocated 2025-10-14 d0c22abc7a72…
2604:24a0::/32 US allocated 2025-10-14 7b917bc0d58c…
2604:24e0::/32 US allocated 2025-10-14 578e27c720e3…
2001:505:145::/48 US allocated 2025-10-13 fa0b36b44da3…
2602:f51c::/40 US allocated 2025-10-13 6e01279a856f…
2602:f51d::/40 US allocated 2025-10-13 aadeb5695bcd…
2602:f51e::/40 US allocated 2025-10-13 73b06de11f1c…
2602:f51f::/36 CA allocated 2025-10-13 c312d01b2c73…
2602:f520::/36 US allocated 2025-10-13 52e0717c62e2…
2602:81c:a000::/44 US allocated 2025-10-10 3a64e4d279d6…
2602:f521::/36 US allocated 2025-10-10 faa04489083f…
2602:f522::/40 US allocated 2025-10-10 736684d40c9d…
2602:f523::/40 US allocated 2025-10-09 5c370b3435fb…
2602:f524::/40 US allocated 2025-10-08 e73a3f46c91d…
2602:f525::/40 US allocated 2025-10-08 bf7ac2267706…
2602:f526::/36 US allocated 2025-10-08 808a3a1916b5…
2602:f527::/40 US allocated 2025-10-08 6956c9ea6225…
2602:f528::/40 US allocated 2025-10-08 1013bca94153…
2602:f529::/40 US allocated 2025-10-08 e2403705a1c8…
2602:f52a::/40 US allocated 2025-10-08 a1c9dbb20c6e…
2602:f52b::/40 US allocated 2025-10-07 ddea5715d30c…
2602:f52c::/40 US allocated 2025-10-07 b4984fed6379…
2604:2420::/32 US allocated 2025-10-07 240eee36e90f…
2604:2460::/32 CA allocated 2025-10-07 9b9ba634dda4…
2602:81c:8000::/44 US allocated 2025-10-06 617dc04243fa…
2602:81c:9000::/44 US allocated 2025-10-06 c9f99dabab83…
2602:f52d::/40 US allocated 2025-10-06 df6856cf044b…
2602:f52e::/40 US allocated 2025-10-06 5cdd080c87aa…
2602:f52f::/40 US allocated 2025-10-06 df291d4c16c4…
2604:23e0::/32 US allocated 2025-10-06 9d46d24465bb…
2620:de:2000::/48 US allocated 2025-10-06 3cf11eeb37b5…
2602:81c:7000::/40 US allocated 2025-10-03 461c69ac6e20…
2602:f530::/40 US allocated 2025-10-03 19af3a28eb0f…
2602:f531::/36 US allocated 2025-10-03 d0733ca9c145…
2620:dd:e000::/48 US allocated 2025-10-03 c8dafb37c4ae…
2602:81c:6000::/44 US allocated 2025-10-02 3eea698fd0a1…
2602:f532::/40 US allocated 2025-10-02 cc765f931343…
2602:f533::/40 US allocated 2025-10-02 4cf7c854f7b8…
2602:f534::/40 US allocated 2025-10-02 bf6ae4dd8baf…
2602:f535::/40 CA allocated 2025-10-02 fba3c6517b9c…
2602:f536::/40 US allocated 2025-10-02 22e68074cde0…
2604:2360::/32 US allocated 2025-10-02 698623fc016f…
2604:23a0::/32 US allocated 2025-10-02 071dafe79c8d…
2602:f537::/40 US allocated 2025-10-01 50902a172763…
2602:f538::/40 US allocated 2025-10-01 3af502dce31c…
2602:f539::/40 US allocated 2025-10-01 72dc51df741a…
2602:f53a::/36 US allocated 2025-10-01 f2e170b1ff8e…
2602:f53b::/40 US allocated 2025-10-01 f0daac01ad29…
2602:f53c::/36 US allocated 2025-09-30 c7b4b4d52f4a…
2602:f53d::/40 US allocated 2025-09-30 fc810182fb14…
2602:f53e::/40 US allocated 2025-09-30 584fe86da5ed…
2602:f53f::/40 US allocated 2025-09-30 8d5091ac071b…
2602:f540::/40 US allocated 2025-09-30 4513ce594406…
2602:f541::/36 US allocated 2025-09-30 198e260506bf…
2602:f542::/36 US allocated 2025-09-29 59505d4815a9…
2602:f543::/36 US allocated 2025-09-29 0056d13a21b3…
2602:f544::/36 CA allocated 2025-09-29 7a7f93c82a39…
2602:f545::/36 US allocated 2025-09-29 fb26af1df2fa…
2602:f546::/40 US allocated 2025-09-29 8b0cee0bbfd6…
2602:f547::/36 US allocated 2025-09-29 670402e440b5…
2604:22e0::/32 US allocated 2025-09-29 8bcb8416e6be…
2604:2320::/32 US allocated 2025-09-29 203032b0e439…
2602:f548::/40 SG allocated 2025-09-26 867ac34bc5b2…
2602:f549::/36 US allocated 2025-09-26 c6ac3ce1ee08…
2604:22a0::/32 US allocated 2025-09-26 f2bad24f31c8…
2602:f54a::/40 US allocated 2025-09-25 1d34eed9b20b…
2602:f54b::/40 US allocated 2025-09-25 e65b08f30ba8…
2604:2260::/32 US allocated 2025-09-25 78c49bfab605…
2620:dd:a000::/48 US allocated 2025-09-25 7a93d1f2437a…
2602:f54c::/40 US allocated 2025-09-24 91f74620ec69…
2604:21e0::/32 US allocated 2025-09-24 a7f48bd7b84c…
2604:2220::/32 US allocated 2025-09-24 d19596e0b0fb…
2602:f54d::/40 US allocated 2025-09-23 5b28413dab35…
2602:f54e::/40 US allocated 2025-09-23 69a56d7a9af1…
2604:21a0::/32 US allocated 2025-09-23 3f1729d64240…
2602:f54f::/40 US allocated 2025-09-22 781cf49bbf05…
2602:f550::/40 US allocated 2025-09-22 ba0ac032da55…
2602:f551::/36 US allocated 2025-09-22 e378310606bc…
2602:f552::/40 US allocated 2025-09-22 004bd99ea88b…
2604:2160::/32 US allocated 2025-09-22 bf97f85fb1b4…
2602:f553::/36 US allocated 2025-09-19 ae70ae2e03ad…
2602:f554::/36 CA allocated 2025-09-19 57d65eded536…
2602:f555::/40 CA allocated 2025-09-19 ad0eb6a4c2fb…
2604:2120::/32 US allocated 2025-09-19 fd2ddcc9a437…
2602:f556::/40 US allocated 2025-09-18 970162671523…
2602:f557::/40 US allocated 2025-09-18 a5166c9feedd…
2602:f558::/40 US allocated 2025-09-18 0f46abaace95…
2604:20a0::/32 US allocated 2025-09-18 0a8f02d60722…
2604:20e0::/32 US allocated 2025-09-18 01c7f05940c1…
701–800 of 92,001 « first‹ prev 678910 next ›last » of 921