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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:c7d0::/28 | — | available | — | … |
| 2604:c7e0::/27 | — | available | — | … |
| 2604:c801::/32 | — | reserved | — | … |
| 2604:c802::/31 | — | reserved | — | … |
| 2604:c804::/30 | — | reserved | — | … |
| 2604:c808::/29 | — | reserved | — | … |
| 2604:c810::/28 | — | available | — | … |
| 2604:c820::/27 | — | available | — | … |
| 2604:c841::/32 | — | reserved | — | … |
| 2604:c842::/31 | — | reserved | — | … |
| 2604:c844::/30 | — | reserved | — | … |
| 2604:c848::/29 | — | reserved | — | … |
| 2604:c850::/28 | — | available | — | … |
| 2604:c860::/27 | — | available | — | … |
| 2604:c881::/32 | — | reserved | — | … |
| 2604:c882::/31 | — | reserved | — | … |
| 2604:c884::/30 | — | reserved | — | … |
| 2604:c888::/29 | — | reserved | — | … |
| 2604:c890::/28 | — | available | — | … |
| 2604:c8a0::/27 | — | available | — | … |
| 2604:c8c0:1000::/36 | — | reserved | — | … |
| 2604:c8c0:2000::/35 | — | reserved | — | … |
| 2604:c8c0:4000::/34 | — | reserved | — | … |
| 2604:c8c0:8000::/33 | — | reserved | — | … |
| 2604:c8c1::/32 | — | reserved | — | … |
| 2604:c8c2::/31 | — | reserved | — | … |
| 2604:c8c4::/30 | — | reserved | — | … |
| 2604:c8c8::/29 | — | reserved | — | … |
| 2604:c8d0::/28 | — | available | — | … |
| 2604:c8e0::/27 | — | available | — | … |
| 2604:c901::/32 | — | reserved | — | … |
| 2604:c902::/31 | — | reserved | — | … |
| 2604:c904::/30 | — | reserved | — | … |
| 2604:c908::/29 | — | reserved | — | … |
| 2604:c910::/28 | — | available | — | … |
| 2604:c920::/27 | — | available | — | … |
| 2604:c941::/32 | — | reserved | — | … |
| 2604:c942::/31 | — | reserved | — | … |
| 2604:c944::/30 | — | reserved | — | … |
| 2604:c948::/29 | — | reserved | — | … |
| 2604:c950::/28 | — | available | — | … |
| 2604:c960::/27 | — | available | — | … |
| 2604:c981::/32 | — | reserved | — | … |
| 2604:c982::/31 | — | reserved | — | … |
| 2604:c984::/30 | — | reserved | — | … |
| 2604:c988::/29 | — | reserved | — | … |
| 2604:c990::/28 | — | available | — | … |
| 2604:c9a0::/27 | — | available | — | … |
| 2604:c9c1::/32 | — | reserved | — | … |
| 2604:c9c2::/31 | — | reserved | — | … |
| 2604:c9c4::/30 | — | reserved | — | … |
| 2604:c9c8::/29 | — | reserved | — | … |
| 2604:c9d0::/28 | — | available | — | … |
| 2604:c9e0::/27 | — | available | — | … |
| 2604:ca01::/32 | — | reserved | — | … |
| 2604:ca02::/31 | — | reserved | — | … |
| 2604:ca04::/30 | — | reserved | — | … |
| 2604:ca08::/29 | — | reserved | — | … |
| 2604:ca10::/28 | — | available | — | … |
| 2604:ca20::/27 | — | available | — | … |
| 2604:ca41::/32 | — | reserved | — | … |
| 2604:ca42::/31 | — | reserved | — | … |
| 2604:ca44::/30 | — | reserved | — | … |
| 2604:ca48::/29 | — | reserved | — | … |
| 2604:ca50::/28 | — | available | — | … |
| 2604:ca60::/27 | — | available | — | … |
| 2604:ca81::/32 | — | reserved | — | … |
| 2604:ca82::/31 | — | reserved | — | … |
| 2604:ca84::/30 | — | reserved | — | … |
| 2604:ca88::/29 | — | reserved | — | … |
| 2604:ca90::/28 | — | available | — | … |
| 2604:caa0::/27 | — | available | — | … |
| 2604:cac1::/32 | — | reserved | — | … |
| 2604:cac2::/31 | — | reserved | — | … |
| 2604:cac4::/30 | — | reserved | — | … |
| 2604:cac8::/29 | — | reserved | — | … |
| 2604:cad0::/28 | — | available | — | … |
| 2604:cae0::/27 | — | available | — | … |
| 2604:cb01::/32 | — | reserved | — | … |
| 2604:cb02::/31 | — | reserved | — | … |
| 2604:cb04::/30 | — | reserved | — | … |
| 2604:cb08::/29 | — | reserved | — | … |
| 2604:cb10::/28 | — | available | — | … |
| 2604:cb20::/27 | — | available | — | … |
| 2604:cb41::/32 | — | reserved | — | … |
| 2604:cb42::/31 | — | reserved | — | … |
| 2604:cb44::/30 | — | reserved | — | … |
| 2604:cb48::/29 | — | reserved | — | … |
| 2604:cb50::/28 | — | available | — | … |
| 2604:cb60::/27 | — | available | — | … |
| 2604:cb81::/32 | — | reserved | — | … |
| 2604:cb82::/31 | — | reserved | — | … |
| 2604:cb84::/30 | — | reserved | — | … |
| 2604:cb88::/29 | — | reserved | — | … |
| 2604:cb90::/28 | — | available | — | … |
| 2604:cba0::/27 | — | available | — | … |
| 2604:cbc1::/32 | — | reserved | — | … |
| 2604:cbc2::/31 | — | reserved | — | … |
| 2604:cbc4::/30 | — | reserved | — | … |
| 2604:cbc8::/29 | — | reserved | — | … |