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
1.64B
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:b600::/27 | — | available | — | … |
| 2604:b621::/32 | — | reserved | — | … |
| 2604:b622::/31 | — | reserved | — | … |
| 2604:b624::/30 | — | reserved | — | … |
| 2604:b628::/29 | — | reserved | — | … |
| 2604:b630::/28 | — | available | — | … |
| 2604:b640::/26 | — | available | — | … |
| 2604:b681::/32 | — | reserved | — | … |
| 2604:b682::/31 | — | reserved | — | … |
| 2604:b684::/30 | — | reserved | — | … |
| 2604:b688::/29 | — | reserved | — | … |
| 2604:b690::/28 | — | available | — | … |
| 2604:b6a0::/27 | — | available | — | … |
| 2604:b6c1::/32 | — | reserved | — | … |
| 2604:b6c2::/31 | — | reserved | — | … |
| 2604:b6c4::/30 | — | reserved | — | … |
| 2604:b6c8::/29 | — | reserved | — | … |
| 2604:b6d0::/28 | — | available | — | … |
| 2604:b6e0::/27 | — | available | — | … |
| 2604:b701::/32 | — | reserved | — | … |
| 2604:b702::/31 | — | reserved | — | … |
| 2604:b704::/30 | — | reserved | — | … |
| 2604:b708::/29 | — | reserved | — | … |
| 2604:b710::/28 | — | available | — | … |
| 2604:b720::/27 | — | available | — | … |
| 2604:b741::/32 | — | reserved | — | … |
| 2604:b742::/31 | — | reserved | — | … |
| 2604:b744::/30 | — | reserved | — | … |
| 2604:b748::/29 | — | reserved | — | … |
| 2604:b750::/28 | — | available | — | … |
| 2604:b760::/27 | — | available | — | … |
| 2604:b780:1000::/36 | — | reserved | — | … |
| 2604:b780:2000::/35 | — | reserved | — | … |
| 2604:b780:4000::/34 | — | reserved | — | … |
| 2604:b780:8000::/33 | — | reserved | — | … |
| 2604:b781::/32 | — | available | — | … |
| 2604:b782::/31 | — | available | — | … |
| 2604:b784::/30 | — | available | — | … |
| 2604:b788::/29 | — | available | — | … |
| 2604:b790::/28 | — | available | — | … |
| 2604:b7a0::/27 | — | available | — | … |
| 2604:b7c1::/32 | — | reserved | — | … |
| 2604:b7c2::/31 | — | reserved | — | … |
| 2604:b7c4::/30 | — | reserved | — | … |
| 2604:b7c8::/29 | — | reserved | — | … |
| 2604:b7d0::/28 | — | available | — | … |
| 2604:b7e0::/27 | — | available | — | … |
| 2604:b801::/32 | — | reserved | — | … |
| 2604:b802::/31 | — | reserved | — | … |
| 2604:b804::/30 | — | reserved | — | … |
| 2604:b808::/29 | — | reserved | — | … |
| 2604:b810::/28 | — | available | — | … |
| 2604:b820::/27 | — | available | — | … |
| 2604:b841::/32 | — | reserved | — | … |
| 2604:b842::/31 | — | reserved | — | … |
| 2604:b844::/30 | — | reserved | — | … |
| 2604:b848::/29 | — | reserved | — | … |
| 2604:b850::/28 | — | available | — | … |
| 2604:b860::/27 | — | available | — | … |
| 2604:b881::/32 | — | reserved | — | … |
| 2604:b882::/31 | — | reserved | — | … |
| 2604:b884::/30 | — | reserved | — | … |
| 2604:b888::/29 | — | reserved | — | … |
| 2604:b890::/28 | — | available | — | … |
| 2604:b8a0::/27 | — | available | — | … |
| 2604:b8c1::/32 | — | reserved | — | … |
| 2604:b8c2::/31 | — | reserved | — | … |
| 2604:b8c4::/30 | — | reserved | — | … |
| 2604:b8c8::/29 | — | reserved | — | … |
| 2604:b8d0::/28 | — | available | — | … |
| 2604:b8e0::/27 | — | available | — | … |
| 2604:b901::/32 | — | reserved | — | … |
| 2604:b902::/31 | — | reserved | — | … |
| 2604:b904::/30 | — | reserved | — | … |
| 2604:b908::/29 | — | reserved | — | … |
| 2604:b910::/28 | — | available | — | … |
| 2604:b920::/27 | — | available | — | … |
| 2604:b941::/32 | — | reserved | — | … |
| 2604:b942::/31 | — | reserved | — | … |
| 2604:b944::/30 | — | reserved | — | … |
| 2604:b948::/29 | — | reserved | — | … |
| 2604:b950::/28 | — | available | — | … |
| 2604:b960::/27 | — | available | — | … |
| 2604:b980::/32 | — | reserved | — | … |
| 2604:b981::/32 | — | reserved | — | … |
| 2604:b982::/31 | — | reserved | — | … |
| 2604:b984::/30 | — | reserved | — | … |
| 2604:b988::/29 | — | reserved | — | … |
| 2604:b990::/28 | — | available | — | … |
| 2604:b9a0::/27 | — | available | — | … |
| 2604:b9c1::/32 | — | reserved | — | … |
| 2604:b9c2::/31 | — | reserved | — | … |
| 2604:b9c4::/30 | — | reserved | — | … |
| 2604:b9c8::/29 | — | reserved | — | … |
| 2604:b9d0::/28 | — | available | — | … |
| 2604:b9e0::/27 | — | available | — | … |
| 2604:ba01::/32 | — | reserved | — | … |
| 2604:ba02::/31 | — | reserved | — | … |
| 2604:ba04::/30 | — | reserved | — | … |
| 2604:ba08::/29 | — | reserved | — | … |