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 |
|---|---|---|---|---|
| 2604:2528::/29 | — | reserved | — | … |
| 2604:2530::/28 | — | available | — | … |
| 2604:2541::/32 | — | reserved | — | … |
| 2604:2542::/31 | — | reserved | — | … |
| 2604:2544::/30 | — | reserved | — | … |
| 2604:2548::/29 | — | reserved | — | … |
| 2604:2550::/28 | — | available | — | … |
| 2604:2560::/32 | — | reserved | — | … |
| 2604:2561::/32 | — | reserved | — | … |
| 2604:2562::/31 | — | reserved | — | … |
| 2604:2564::/30 | — | reserved | — | … |
| 2604:2568::/29 | — | reserved | — | … |
| 2604:2570::/28 | — | available | — | … |
| 2604:2581::/32 | — | reserved | — | … |
| 2604:2582::/31 | — | reserved | — | … |
| 2604:2584::/30 | — | reserved | — | … |
| 2604:2588::/29 | — | reserved | — | … |
| 2604:2590::/28 | — | available | — | … |
| 2604:25a1::/32 | — | reserved | — | … |
| 2604:25a2::/31 | — | reserved | — | … |
| 2604:25a4::/30 | — | reserved | — | … |
| 2604:25a8::/29 | — | reserved | — | … |
| 2604:25b0::/28 | — | available | — | … |
| 2604:25c1::/32 | — | reserved | — | … |
| 2604:25c2::/31 | — | reserved | — | … |
| 2604:25c4::/30 | — | reserved | — | … |
| 2604:25c8::/29 | — | reserved | — | … |
| 2604:25d0::/28 | — | available | — | … |
| 2604:25e1::/32 | — | reserved | — | … |
| 2604:25e2::/31 | — | reserved | — | … |
| 2604:25e4::/30 | — | reserved | — | … |
| 2604:25e8::/29 | — | reserved | — | … |
| 2604:25f0::/28 | — | available | — | … |
| 2604:2601::/32 | — | reserved | — | … |
| 2604:2602::/31 | — | reserved | — | … |
| 2604:2604::/30 | — | reserved | — | … |
| 2604:2608::/29 | — | reserved | — | … |
| 2604:2610::/28 | — | available | — | … |
| 2604:2621::/32 | — | reserved | — | … |
| 2604:2622::/31 | — | reserved | — | … |
| 2604:2624::/30 | — | reserved | — | … |
| 2604:2628::/29 | — | reserved | — | … |
| 2604:2630::/28 | — | available | — | … |
| 2604:2640::/27 | — | available | — | … |
| 2604:2661::/32 | — | reserved | — | … |
| 2604:2662::/31 | — | reserved | — | … |
| 2604:2664::/30 | — | reserved | — | … |
| 2604:2668::/29 | — | reserved | — | … |
| 2604:2670::/28 | — | available | — | … |
| 2604:2681::/32 | — | reserved | — | … |
| 2604:2682::/31 | — | reserved | — | … |
| 2604:2684::/30 | — | reserved | — | … |
| 2604:2688::/29 | — | reserved | — | … |
| 2604:2690::/28 | — | available | — | … |
| 2604:26a1::/32 | — | reserved | — | … |
| 2604:26a2::/31 | — | reserved | — | … |
| 2604:26a4::/30 | — | reserved | — | … |
| 2604:26a8::/29 | — | reserved | — | … |
| 2604:26b0::/28 | — | available | — | … |
| 2604:26c1::/32 | — | reserved | — | … |
| 2604:26c2::/31 | — | reserved | — | … |
| 2604:26c4::/30 | — | reserved | — | … |
| 2604:26c8::/29 | — | reserved | — | … |
| 2604:26d0::/28 | — | available | — | … |
| 2604:26e1::/32 | — | reserved | — | … |
| 2604:26e2::/31 | — | reserved | — | … |
| 2604:26e4::/30 | — | reserved | — | … |
| 2604:26e8::/29 | — | reserved | — | … |
| 2604:26f0::/28 | — | available | — | … |
| 2604:2701::/32 | — | reserved | — | … |
| 2604:2702::/31 | — | reserved | — | … |
| 2604:2704::/30 | — | reserved | — | … |
| 2604:2708::/29 | — | reserved | — | … |
| 2604:2710::/28 | — | available | — | … |
| 2604:2721::/32 | — | reserved | — | … |
| 2604:2722::/31 | — | reserved | — | … |
| 2604:2724::/30 | — | reserved | — | … |
| 2604:2728::/29 | — | reserved | — | … |
| 2604:2730::/28 | — | available | — | … |
| 2604:2741::/32 | — | reserved | — | … |
| 2604:2742::/31 | — | reserved | — | … |
| 2604:2744::/30 | — | reserved | — | … |
| 2604:2748::/29 | — | reserved | — | … |
| 2604:2750::/28 | — | available | — | … |
| 2604:2761::/32 | — | reserved | — | … |
| 2604:2762::/31 | — | reserved | — | … |
| 2604:2764::/30 | — | reserved | — | … |
| 2604:2768::/29 | — | reserved | — | … |
| 2604:2770::/28 | — | available | — | … |
| 2604:2781::/32 | — | reserved | — | … |
| 2604:2782::/31 | — | reserved | — | … |
| 2604:2784::/30 | — | reserved | — | … |
| 2604:2788::/29 | — | reserved | — | … |
| 2604:2790::/28 | — | available | — | … |
| 2604:27a1::/32 | — | reserved | — | … |
| 2604:27a2::/31 | — | reserved | — | … |
| 2604:27a4::/30 | — | reserved | — | … |
| 2604:27a8::/29 | — | reserved | — | … |
| 2604:27b0::/28 | — | available | — | … |
| 2604:27c1::/32 | — | reserved | — | … |