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
1,644,591,360
📦
IPv4 networks
76,802
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 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 | — | … |
| 2604:3901::/32 | — | reserved | — | … |
| 2604:3902::/31 | — | reserved | — | … |
| 2604:3904::/30 | — | reserved | — | … |
| 2604:3908::/29 | — | reserved | — | … |
| 2604:3910::/28 | — | available | — | … |
| 2604:3920::/27 | — | available | — | … |
| 2604:3941::/32 | — | reserved | — | … |
| 2604:3942::/31 | — | reserved | — | … |
| 2604:3944::/30 | — | reserved | — | … |
| 2604:3948::/29 | — | reserved | — | … |
| 2604:3950::/28 | — | available | — | … |
| 2604:3960::/27 | — | available | — | … |
| 2604:3981::/32 | — | reserved | — | … |
| 2604:3982::/31 | — | reserved | — | … |
| 2604:3984::/30 | — | reserved | — | … |
| 2604:3988::/29 | — | reserved | — | … |
| 2604:3990::/28 | — | available | — | … |
| 2604:39a0::/27 | — | available | — | … |
| 2604:39c1::/32 | — | reserved | — | … |
| 2604:39c2::/31 | — | reserved | — | … |
| 2604:39c4::/30 | — | reserved | — | … |
| 2604:39c8::/29 | — | reserved | — | … |
| 2604:39d0::/28 | — | available | — | … |
| 2604:39e0::/27 | — | available | — | … |
| 2604:3a01::/32 | — | reserved | — | … |
| 2604:3a02::/31 | — | reserved | — | … |
| 2604:3a04::/30 | — | reserved | — | … |
| 2604:3a08::/29 | — | reserved | — | … |
| 2604:3a10::/28 | — | available | — | … |
| 2604:3a20::/27 | — | available | — | … |
| 2604:3a41::/32 | — | reserved | — | … |
| 2604:3a42::/31 | — | reserved | — | … |
| 2604:3a44::/30 | — | reserved | — | … |
| 2604:3a48::/29 | — | reserved | — | … |
| 2604:3a50::/28 | — | available | — | … |
| 2604:3a60::/27 | — | available | — | … |
| 2604:3a81::/32 | — | reserved | — | … |
| 2604:3a82::/31 | — | reserved | — | … |
| 2604:3a84::/30 | — | reserved | — | … |
| 2604:3a88::/29 | — | reserved | — | … |
| 2604:3a90::/28 | — | available | — | … |
| 2604:3aa0::/27 | — | available | — | … |
| 2604:3ac1::/32 | — | reserved | — | … |
| 2604:3ac2::/31 | — | reserved | — | … |
| 2604:3ac4::/30 | — | reserved | — | … |
| 2604:3ac8::/29 | — | reserved | — | … |
| 2604:3ad0::/28 | — | available | — | … |
| 2604:3ae0::/27 | — | available | — | … |
| 2604:3b01::/32 | — | reserved | — | … |
| 2604:3b02::/31 | — | reserved | — | … |
| 2604:3b04::/30 | — | reserved | — | … |
| 2604:3b08::/29 | — | reserved | — | … |
| 2604:3b10::/28 | — | available | — | … |
| 2604:3b20::/27 | — | available | — | … |
| 2604:3b41::/32 | — | reserved | — | … |
| 2604:3b42::/31 | — | reserved | — | … |
| 2604:3b44::/30 | — | reserved | — | … |
| 2604:3b48::/29 | — | reserved | — | … |
| 2604:3b50::/28 | — | available | — | … |
| 2604:3b60::/27 | — | available | — | … |
| 2604:3b81::/32 | — | reserved | — | … |
| 2604:3b82::/31 | — | reserved | — | … |
| 2604:3b84::/30 | — | reserved | — | … |
| 2604:3b88::/29 | — | reserved | — | … |
| 2604:3b90::/28 | — | available | — | … |
| 2604:3ba0::/27 | — | available | — | … |
| 2604:3bc1::/32 | — | reserved | — | … |
| 2604:3bc2::/31 | — | reserved | — | … |
| 2604:3bc4::/30 | — | reserved | — | … |
| 2604:3bc8::/29 | — | reserved | — | … |
| 2604:3bd0::/28 | — | available | — | … |
| 2604:3be0::/27 | — | available | — | … |
| 2604:3c01::/32 | — | reserved | — | … |
| 2604:3c02::/31 | — | reserved | — | … |
| 2604:3c04::/30 | — | reserved | — | … |
| 2604:3c08::/29 | — | reserved | — | … |
| 2604:3c10::/28 | — | available | — | … |
| 2604:3c20::/27 | — | available | — | … |
| 2604:3c41::/32 | — | reserved | — | … |
| 2604:3c42::/31 | — | reserved | — | … |