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 |
|---|---|---|---|---|
| 2607:b490::/28 | — | available | — | … |
| 2607:b4a0::/27 | — | available | — | … |
| 2607:b4c0::/26 | — | available | — | … |
| 2607:b501::/32 | — | reserved | — | … |
| 2607:b502::/31 | — | reserved | — | … |
| 2607:b504::/30 | — | reserved | — | … |
| 2607:b508::/29 | — | reserved | — | … |
| 2607:b510::/28 | — | available | — | … |
| 2607:b520::/27 | — | available | — | … |
| 2607:b541::/32 | — | reserved | — | … |
| 2607:b542::/31 | — | reserved | — | … |
| 2607:b544::/30 | — | reserved | — | … |
| 2607:b548::/29 | — | reserved | — | … |
| 2607:b550::/28 | — | available | — | … |
| 2607:b560::/27 | — | available | — | … |
| 2607:b581::/32 | — | reserved | — | … |
| 2607:b582::/31 | — | reserved | — | … |
| 2607:b584::/30 | — | reserved | — | … |
| 2607:b588::/29 | — | reserved | — | … |
| 2607:b590::/28 | — | available | — | … |
| 2607:b5a0::/27 | — | available | — | … |
| 2607:b5c1::/32 | — | reserved | — | … |
| 2607:b5c2::/31 | — | reserved | — | … |
| 2607:b5c4::/30 | — | reserved | — | … |
| 2607:b5c8::/29 | — | reserved | — | … |
| 2607:b5d0::/28 | — | available | — | … |
| 2607:b5e0::/27 | — | available | — | … |
| 2607:b601::/32 | — | reserved | — | … |
| 2607:b602::/31 | — | reserved | — | … |
| 2607:b604::/30 | — | reserved | — | … |
| 2607:b608::/29 | — | reserved | — | … |
| 2607:b610::/28 | — | available | — | … |
| 2607:b620::/27 | — | available | — | … |
| 2607:b640::/26 | — | available | — | … |
| 2607:b680::/32 | — | reserved | — | … |
| 2607:b681::/32 | — | reserved | — | … |
| 2607:b682::/31 | — | reserved | — | … |
| 2607:b684::/30 | — | reserved | — | … |
| 2607:b688::/29 | — | reserved | — | … |
| 2607:b690::/28 | — | available | — | … |
| 2607:b6a0::/27 | — | available | — | … |
| 2607:b6c1::/32 | — | reserved | — | … |
| 2607:b6c2::/31 | — | reserved | — | … |
| 2607:b6c4::/30 | — | reserved | — | … |
| 2607:b6c8::/29 | — | reserved | — | … |
| 2607:b6d0::/28 | — | available | — | … |
| 2607:b6e0::/27 | — | available | — | … |
| 2607:b701::/32 | — | reserved | — | … |
| 2607:b702::/31 | — | reserved | — | … |
| 2607:b704::/30 | — | reserved | — | … |
| 2607:b708::/29 | — | reserved | — | … |
| 2607:b710::/28 | — | available | — | … |
| 2607:b720::/27 | — | available | — | … |
| 2607:b740::/36 | — | reserved | — | … |
| 2607:b740:1000::/36 | — | reserved | — | … |
| 2607:b740:2000::/35 | — | reserved | — | … |
| 2607:b740:4000::/34 | — | reserved | — | … |
| 2607:b740:8000::/33 | — | reserved | — | … |
| 2607:b741::/32 | — | reserved | — | … |
| 2607:b742::/31 | — | reserved | — | … |
| 2607:b744::/30 | — | reserved | — | … |
| 2607:b748::/29 | — | reserved | — | … |
| 2607:b750::/28 | — | available | — | … |
| 2607:b760::/27 | — | available | — | … |
| 2607:b780::/26 | — | available | — | … |
| 2607:b7c1::/32 | — | reserved | — | … |
| 2607:b7c2::/31 | — | reserved | — | … |
| 2607:b7c4::/30 | — | reserved | — | … |
| 2607:b7c8::/29 | — | reserved | — | … |
| 2607:b7d0::/28 | — | available | — | … |
| 2607:b7e0::/27 | — | available | — | … |
| 2607:b801::/32 | — | reserved | — | … |
| 2607:b802::/31 | — | reserved | — | … |
| 2607:b804::/30 | — | reserved | — | … |
| 2607:b808::/29 | — | reserved | — | … |
| 2607:b810::/28 | — | available | — | … |
| 2607:b820::/27 | — | available | — | … |
| 2607:b841::/32 | — | reserved | — | … |
| 2607:b842::/31 | — | reserved | — | … |
| 2607:b844::/30 | — | reserved | — | … |
| 2607:b848::/29 | — | reserved | — | … |
| 2607:b850::/28 | — | available | — | … |
| 2607:b860::/27 | — | available | — | … |
| 2607:b881::/32 | — | reserved | — | … |
| 2607:b882::/31 | — | reserved | — | … |
| 2607:b884::/30 | — | reserved | — | … |
| 2607:b888::/29 | — | reserved | — | … |
| 2607:b890::/28 | — | available | — | … |
| 2607:b8a0::/27 | — | available | — | … |
| 2607:b8c1::/32 | — | reserved | — | … |
| 2607:b8c2::/31 | — | reserved | — | … |
| 2607:b8c4::/30 | — | reserved | — | … |
| 2607:b8c8::/29 | — | reserved | — | … |
| 2607:b8d0::/28 | — | available | — | … |
| 2607:b8e0::/27 | — | available | — | … |
| 2607:b901::/32 | — | reserved | — | … |
| 2607:b902::/31 | — | reserved | — | … |
| 2607:b904::/30 | — | reserved | — | … |
| 2607:b908::/29 | — | reserved | — | … |
| 2607:b910::/28 | — | available | — | … |