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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:34c1::/32 | — | reserved | — | … |
| 2604:34c2::/31 | — | reserved | — | … |
| 2604:34c4::/30 | — | reserved | — | … |
| 2604:34c8::/29 | — | reserved | — | … |
| 2604:34d0::/28 | — | available | — | … |
| 2604:34e0::/27 | — | available | — | … |
| 2604:3501::/32 | — | reserved | — | … |
| 2604:3502::/31 | — | reserved | — | … |
| 2604:3504::/30 | — | reserved | — | … |
| 2604:3508::/29 | — | reserved | — | … |
| 2604:3510::/28 | — | available | — | … |
| 2604:3520::/27 | — | available | — | … |
| 2604:3550::/28 | — | available | — | … |
| 2604:3560::/27 | — | available | — | … |
| 2604:3581::/32 | — | reserved | — | … |
| 2604:3582::/31 | — | reserved | — | … |
| 2604:3584::/30 | — | reserved | — | … |
| 2604:3588::/29 | — | reserved | — | … |
| 2604:3590::/28 | — | available | — | … |
| 2604:35a0::/27 | — | available | — | … |
| 2604:35c1::/32 | — | reserved | — | … |
| 2604:35c2::/31 | — | reserved | — | … |
| 2604:35c4::/30 | — | reserved | — | … |
| 2604:35c8::/29 | — | reserved | — | … |
| 2604:35d0::/28 | — | available | — | … |
| 2604:35e0::/27 | — | available | — | … |
| 2604:3601::/32 | — | reserved | — | … |
| 2604:3602::/31 | — | reserved | — | … |
| 2604:3604::/30 | — | reserved | — | … |
| 2604:3608::/29 | — | reserved | — | … |
| 2604:3610::/28 | — | available | — | … |
| 2604:3620::/27 | — | available | — | … |
| 2604:3641::/32 | — | reserved | — | … |
| 2604:3642::/31 | — | reserved | — | … |
| 2604:3644::/30 | — | reserved | — | … |
| 2604:3648::/29 | — | reserved | — | … |
| 2604:3650::/28 | — | available | — | … |
| 2604:3660::/27 | — | available | — | … |
| 2604:3681::/32 | — | reserved | — | … |
| 2604:3682::/31 | — | reserved | — | … |
| 2604:3684::/30 | — | reserved | — | … |
| 2604:3688::/29 | — | reserved | — | … |
| 2604:3690::/28 | — | available | — | … |
| 2604:36a0::/27 | — | available | — | … |
| 2604:36c1::/32 | — | reserved | — | … |
| 2604:36c2::/31 | — | reserved | — | … |
| 2604:36c4::/30 | — | reserved | — | … |
| 2604:36c8::/29 | — | reserved | — | … |
| 2604:36d0::/28 | — | available | — | … |
| 2604:36e0::/27 | — | available | — | … |
| 2604:3701::/32 | — | reserved | — | … |
| 2604:3702::/31 | — | reserved | — | … |
| 2604:3704::/30 | — | reserved | — | … |
| 2604:3708::/29 | — | reserved | — | … |
| 2604:3710::/28 | — | available | — | … |
| 2604:3720::/27 | — | available | — | … |
| 2604:3741::/32 | — | reserved | — | … |
| 2604:3742::/31 | — | reserved | — | … |
| 2604:3744::/30 | — | reserved | — | … |
| 2604:3748::/29 | — | reserved | — | … |
| 2604:3750::/28 | — | available | — | … |
| 2604:3760::/27 | — | available | — | … |
| 2604:3781::/32 | — | reserved | — | … |
| 2604:3782::/31 | — | reserved | — | … |
| 2604:3784::/30 | — | reserved | — | … |
| 2604:3788::/29 | — | reserved | — | … |
| 2604:3790::/28 | — | available | — | … |
| 2604:37a0::/27 | — | available | — | … |
| 2604:37c1::/32 | — | reserved | — | … |
| 2604:37c2::/31 | — | reserved | — | … |
| 2604:37c4::/30 | — | reserved | — | … |
| 2604:37c8::/29 | — | reserved | — | … |
| 2604:37d0::/28 | — | available | — | … |
| 2604:37e0::/27 | — | available | — | … |
| 2604:3801::/32 | — | reserved | — | … |
| 2604:3802::/31 | — | reserved | — | … |
| 2604:3804::/30 | — | reserved | — | … |
| 2604:3808::/29 | — | reserved | — | … |
| 2604:3810::/28 | — | available | — | … |
| 2604:3820::/27 | — | available | — | … |
| 2604:3841::/32 | — | reserved | — | … |
| 2604:3842::/31 | — | reserved | — | … |
| 2604:3844::/30 | — | reserved | — | … |
| 2604:3848::/29 | — | reserved | — | … |
| 2604:3850::/28 | — | available | — | … |
| 2604:3860::/27 | — | available | — | … |
| 2604:3881::/32 | — | reserved | — | … |
| 2604:3882::/31 | — | reserved | — | … |
| 2604:3884::/30 | — | reserved | — | … |
| 2604:3888::/29 | — | reserved | — | … |
| 2604:3890::/28 | — | available | — | … |
| 2604:38a0::/27 | — | available | — | … |
| 2604:38c1::/32 | — | reserved | — | … |
| 2604:38c2::/31 | — | reserved | — | … |
| 2604:38c4::/30 | — | reserved | — | … |
| 2604:38c8::/29 | — | reserved | — | … |
| 2604:38d0::/28 | — | available | — | … |
| 2604:38e0::/27 | — | available | — | … |
| 2604:3900::/26 | — | available | — | … |
| 2604:3941::/32 | — | reserved | — | … |