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 |
|---|---|---|---|---|
| 2604:5850::/28 | — | available | — | … |
| 2604:5860::/27 | — | available | — | … |
| 2604:5881::/32 | — | reserved | — | … |
| 2604:5882::/31 | — | reserved | — | … |
| 2604:5884::/30 | — | reserved | — | … |
| 2604:5888::/29 | — | reserved | — | … |
| 2604:5890::/28 | — | available | — | … |
| 2604:58a0::/27 | — | available | — | … |
| 2604:58c1::/32 | — | reserved | — | … |
| 2604:58c2::/31 | — | reserved | — | … |
| 2604:58c4::/30 | — | reserved | — | … |
| 2604:58c8::/29 | — | reserved | — | … |
| 2604:58d0::/28 | — | available | — | … |
| 2604:58e0::/27 | — | available | — | … |
| 2604:5901::/32 | — | reserved | — | … |
| 2604:5902::/31 | — | reserved | — | … |
| 2604:5904::/30 | — | reserved | — | … |
| 2604:5908::/29 | — | reserved | — | … |
| 2604:5910::/28 | — | available | — | … |
| 2604:5920::/27 | — | available | — | … |
| 2604:5941::/32 | — | reserved | — | … |
| 2604:5942::/31 | — | reserved | — | … |
| 2604:5944::/30 | — | reserved | — | … |
| 2604:5948::/29 | — | reserved | — | … |
| 2604:5950::/28 | — | available | — | … |
| 2604:5960::/27 | — | available | — | … |
| 2604:5980::/32 | — | reserved | — | … |
| 2604:5981::/32 | — | reserved | — | … |
| 2604:5982::/31 | — | reserved | — | … |
| 2604:5984::/30 | — | reserved | — | … |
| 2604:5988::/29 | — | reserved | — | … |
| 2604:5990::/28 | — | available | — | … |
| 2604:59a0::/27 | — | available | — | … |
| 2604:59c1::/32 | — | reserved | — | … |
| 2604:59c2::/31 | — | reserved | — | … |
| 2604:59c4::/30 | — | reserved | — | … |
| 2604:59c8::/29 | — | reserved | — | … |
| 2604:59d0::/28 | — | available | — | … |
| 2604:59e0::/27 | — | available | — | … |
| 2604:5a01::/32 | — | reserved | — | … |
| 2604:5a02::/31 | — | reserved | — | … |
| 2604:5a04::/30 | — | reserved | — | … |
| 2604:5a08::/29 | — | reserved | — | … |
| 2604:5a10::/28 | — | available | — | … |
| 2604:5a20::/27 | — | available | — | … |
| 2604:5a41::/32 | — | reserved | — | … |
| 2604:5a42::/31 | — | reserved | — | … |
| 2604:5a44::/30 | — | reserved | — | … |
| 2604:5a48::/29 | — | reserved | — | … |
| 2604:5a50::/28 | — | available | — | … |
| 2604:5a60::/27 | — | available | — | … |
| 2604:5a81::/32 | — | reserved | — | … |
| 2604:5a82::/31 | — | reserved | — | … |
| 2604:5a84::/30 | — | reserved | — | … |
| 2604:5a88::/29 | — | reserved | — | … |
| 2604:5a90::/28 | — | available | — | … |
| 2604:5aa0::/27 | — | available | — | … |
| 2604:5ac1::/32 | — | reserved | — | … |
| 2604:5ac2::/31 | — | reserved | — | … |
| 2604:5ac4::/30 | — | reserved | — | … |
| 2604:5ac8::/29 | — | reserved | — | … |
| 2604:5ad0::/28 | — | available | — | … |
| 2604:5ae0::/27 | — | available | — | … |
| 2604:5b01::/32 | — | reserved | — | … |
| 2604:5b02::/31 | — | reserved | — | … |
| 2604:5b04::/30 | — | reserved | — | … |
| 2604:5b08::/29 | — | reserved | — | … |
| 2604:5b10::/28 | — | available | — | … |
| 2604:5b20::/27 | — | available | — | … |
| 2604:5b41::/32 | — | reserved | — | … |
| 2604:5b42::/31 | — | reserved | — | … |
| 2604:5b44::/30 | — | reserved | — | … |
| 2604:5b48::/29 | — | reserved | — | … |
| 2604:5b50::/28 | — | available | — | … |
| 2604:5b60::/27 | — | available | — | … |
| 2604:5b81::/32 | — | reserved | — | … |
| 2604:5b82::/31 | — | reserved | — | … |
| 2604:5b84::/30 | — | reserved | — | … |
| 2604:5b88::/29 | — | reserved | — | … |
| 2604:5b90::/28 | — | available | — | … |
| 2604:5ba0::/27 | — | available | — | … |
| 2604:5bc1::/32 | — | reserved | — | … |
| 2604:5bc2::/31 | — | reserved | — | … |
| 2604:5bc4::/30 | — | reserved | — | … |
| 2604:5bc8::/29 | — | reserved | — | … |
| 2604:5bd0::/28 | — | available | — | … |
| 2604:5be0::/27 | — | available | — | … |
| 2604:5c01::/32 | — | reserved | — | … |
| 2604:5c02::/31 | — | reserved | — | … |
| 2604:5c04::/30 | — | reserved | — | … |
| 2604:5c08::/29 | — | reserved | — | … |
| 2604:5c10::/28 | — | available | — | … |
| 2604:5c20::/27 | — | available | — | … |
| 2604:5c41::/32 | — | reserved | — | … |
| 2604:5c42::/31 | — | reserved | — | … |
| 2604:5c44::/30 | — | reserved | — | … |
| 2604:5c48::/29 | — | reserved | — | … |
| 2604:5c50::/28 | — | available | — | … |
| 2604:5c60::/27 | — | available | — | … |
| 2604:5c81::/32 | — | reserved | — | … |