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 |
|---|---|---|---|---|
| 2604:6441::/32 | — | reserved | — | … |
| 2604:6442::/31 | — | reserved | — | … |
| 2604:6444::/30 | — | reserved | — | … |
| 2604:6448::/29 | — | reserved | — | … |
| 2604:6450::/28 | — | available | — | … |
| 2604:6460::/27 | — | available | — | … |
| 2604:6481::/32 | — | reserved | — | … |
| 2604:6482::/31 | — | reserved | — | … |
| 2604:6484::/30 | — | reserved | — | … |
| 2604:6488::/29 | — | reserved | — | … |
| 2604:6490::/28 | — | available | — | … |
| 2604:64a0::/27 | — | available | — | … |
| 2604:64c0::/26 | — | available | — | … |
| 2604:6501::/32 | — | reserved | — | … |
| 2604:6502::/31 | — | reserved | — | … |
| 2604:6504::/30 | — | reserved | — | … |
| 2604:6508::/29 | — | reserved | — | … |
| 2604:6510::/28 | — | available | — | … |
| 2604:6520::/27 | — | available | — | … |
| 2604:6541::/32 | — | reserved | — | … |
| 2604:6542::/31 | — | reserved | — | … |
| 2604:6544::/30 | — | reserved | — | … |
| 2604:6548::/29 | — | reserved | — | … |
| 2604:6550::/28 | — | available | — | … |
| 2604:6560::/27 | — | available | — | … |
| 2604:6581::/32 | — | reserved | — | … |
| 2604:6582::/31 | — | reserved | — | … |
| 2604:6584::/30 | — | reserved | — | … |
| 2604:6588::/29 | — | reserved | — | … |
| 2604:6590::/28 | — | available | — | … |
| 2604:65a0::/27 | — | available | — | … |
| 2604:65c1::/32 | — | reserved | — | … |
| 2604:65c2::/31 | — | reserved | — | … |
| 2604:65c4::/30 | — | reserved | — | … |
| 2604:65c8::/29 | — | reserved | — | … |
| 2604:65d0::/28 | — | available | — | … |
| 2604:65e0::/27 | — | available | — | … |
| 2604:6601::/32 | — | reserved | — | … |
| 2604:6602::/31 | — | reserved | — | … |
| 2604:6604::/30 | — | reserved | — | … |
| 2604:6608::/29 | — | reserved | — | … |
| 2604:6610::/28 | — | available | — | … |
| 2604:6620::/27 | — | available | — | … |
| 2604:6641::/32 | — | reserved | — | … |
| 2604:6642::/31 | — | reserved | — | … |
| 2604:6644::/30 | — | reserved | — | … |
| 2604:6648::/29 | — | reserved | — | … |
| 2604:6650::/28 | — | available | — | … |
| 2604:6660::/27 | — | available | — | … |
| 2604:6680::/32 | — | reserved | — | … |
| 2604:6681::/32 | — | reserved | — | … |
| 2604:6682::/31 | — | reserved | — | … |
| 2604:6684::/30 | — | reserved | — | … |
| 2604:6688::/29 | — | reserved | — | … |
| 2604:6690::/28 | — | available | — | … |
| 2604:66a0::/27 | — | available | — | … |
| 2604:66c1::/32 | — | reserved | — | … |
| 2604:66c2::/31 | — | reserved | — | … |
| 2604:66c4::/30 | — | reserved | — | … |
| 2604:66c8::/29 | — | reserved | — | … |
| 2604:66d0::/28 | — | available | — | … |
| 2604:66e0::/27 | — | available | — | … |
| 2604:6701::/32 | — | reserved | — | … |
| 2604:6702::/31 | — | reserved | — | … |
| 2604:6704::/30 | — | reserved | — | … |
| 2604:6708::/29 | — | reserved | — | … |
| 2604:6710::/28 | — | available | — | … |
| 2604:6720::/27 | — | available | — | … |
| 2604:6740::/32 | — | reserved | — | … |
| 2604:6741::/32 | — | reserved | — | … |
| 2604:6742::/31 | — | reserved | — | … |
| 2604:6744::/30 | — | reserved | — | … |
| 2604:6748::/29 | — | reserved | — | … |
| 2604:6750::/28 | — | available | — | … |
| 2604:6760::/27 | — | available | — | … |
| 2604:6781::/32 | — | reserved | — | … |
| 2604:6782::/31 | — | reserved | — | … |
| 2604:6784::/30 | — | reserved | — | … |
| 2604:6788::/29 | — | reserved | — | … |
| 2604:6790::/28 | — | available | — | … |
| 2604:67a0::/27 | — | available | — | … |
| 2604:67c0::/32 | — | reserved | — | … |
| 2604:67c1::/32 | — | reserved | — | … |
| 2604:67c2::/31 | — | reserved | — | … |
| 2604:67c4::/30 | — | reserved | — | … |
| 2604:67c8::/29 | — | reserved | — | … |
| 2604:67d0::/28 | — | available | — | … |
| 2604:67e0::/27 | — | available | — | … |
| 2604:6801::/32 | — | reserved | — | … |
| 2604:6802::/31 | — | reserved | — | … |
| 2604:6804::/30 | — | reserved | — | … |
| 2604:6808::/29 | — | reserved | — | … |
| 2604:6810::/28 | — | available | — | … |
| 2604:6820::/27 | — | available | — | … |
| 2604:6841::/32 | — | reserved | — | … |
| 2604:6842::/31 | — | reserved | — | … |
| 2604:6844::/30 | — | reserved | — | … |
| 2604:6848::/29 | — | reserved | — | … |
| 2604:6850::/28 | — | available | — | … |
| 2604:6860::/27 | — | available | — | … |