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 |
|---|---|---|---|---|
| 2604:9720::/27 | — | available | — | … |
| 2604:9741::/32 | — | reserved | — | … |
| 2604:9742::/31 | — | reserved | — | … |
| 2604:9744::/30 | — | reserved | — | … |
| 2604:9748::/29 | — | reserved | — | … |
| 2604:9750::/28 | — | available | — | … |
| 2604:9760::/27 | — | available | — | … |
| 2604:9781::/32 | — | reserved | — | … |
| 2604:9782::/31 | — | reserved | — | … |
| 2604:9784::/30 | — | reserved | — | … |
| 2604:9788::/29 | — | reserved | — | … |
| 2604:9790::/28 | — | available | — | … |
| 2604:97a0::/27 | — | available | — | … |
| 2604:97c1::/32 | — | reserved | — | … |
| 2604:97c2::/31 | — | reserved | — | … |
| 2604:97c4::/30 | — | reserved | — | … |
| 2604:97c8::/29 | — | reserved | — | … |
| 2604:97d0::/28 | — | available | — | … |
| 2604:97e0::/27 | — | available | — | … |
| 2604:9801::/32 | — | reserved | — | … |
| 2604:9802::/31 | — | reserved | — | … |
| 2604:9804::/30 | — | reserved | — | … |
| 2604:9808::/29 | — | reserved | — | … |
| 2604:9810::/28 | — | available | — | … |
| 2604:9820::/27 | — | available | — | … |
| 2604:9841::/32 | — | reserved | — | … |
| 2604:9842::/31 | — | reserved | — | … |
| 2604:9844::/30 | — | reserved | — | … |
| 2604:9848::/29 | — | reserved | — | … |
| 2604:9850::/28 | — | available | — | … |
| 2604:9860::/27 | — | available | — | … |
| 2604:9881::/32 | — | reserved | — | … |
| 2604:9882::/31 | — | reserved | — | … |
| 2604:9884::/30 | — | reserved | — | … |
| 2604:9888::/29 | — | reserved | — | … |
| 2604:9890::/28 | — | available | — | … |
| 2604:98a0::/27 | — | available | — | … |
| 2604:98c1::/32 | — | reserved | — | … |
| 2604:98c2::/31 | — | reserved | — | … |
| 2604:98c4::/30 | — | reserved | — | … |
| 2604:98c8::/29 | — | reserved | — | … |
| 2604:98d0::/28 | — | available | — | … |
| 2604:98e0::/27 | — | available | — | … |
| 2604:9901::/32 | — | reserved | — | … |
| 2604:9902::/31 | — | reserved | — | … |
| 2604:9904::/30 | — | reserved | — | … |
| 2604:9908::/29 | — | reserved | — | … |
| 2604:9910::/28 | — | available | — | … |
| 2604:9920::/27 | — | available | — | … |
| 2604:9941::/32 | — | reserved | — | … |
| 2604:9942::/31 | — | reserved | — | … |
| 2604:9944::/30 | — | reserved | — | … |
| 2604:9948::/29 | — | reserved | — | … |
| 2604:9950::/28 | — | available | — | … |
| 2604:9960::/27 | — | available | — | … |
| 2604:9981::/32 | — | reserved | — | … |
| 2604:9982::/31 | — | reserved | — | … |
| 2604:9984::/30 | — | reserved | — | … |
| 2604:9988::/29 | — | reserved | — | … |
| 2604:9990::/28 | — | available | — | … |
| 2604:99a0::/27 | — | available | — | … |
| 2604:99c1::/32 | — | reserved | — | … |
| 2604:99c2::/31 | — | reserved | — | … |
| 2604:99c4::/30 | — | reserved | — | … |
| 2604:99c8::/29 | — | reserved | — | … |
| 2604:99d0::/28 | — | available | — | … |
| 2604:99e0::/27 | — | available | — | … |
| 2604:9a01::/32 | — | reserved | — | … |
| 2604:9a02::/31 | — | reserved | — | … |
| 2604:9a04::/30 | — | reserved | — | … |
| 2604:9a08::/29 | — | reserved | — | … |
| 2604:9a10::/28 | — | available | — | … |
| 2604:9a20::/27 | — | available | — | … |
| 2604:9a40::/32 | — | reserved | — | … |
| 2604:9a41::/32 | — | reserved | — | … |
| 2604:9a42::/31 | — | reserved | — | … |
| 2604:9a44::/30 | — | reserved | — | … |
| 2604:9a48::/29 | — | reserved | — | … |
| 2604:9a50::/28 | — | available | — | … |
| 2604:9a60::/27 | — | available | — | … |
| 2604:9a81::/32 | — | reserved | — | … |
| 2604:9a82::/31 | — | reserved | — | … |
| 2604:9a84::/30 | — | reserved | — | … |
| 2604:9a88::/29 | — | reserved | — | … |
| 2604:9a90::/28 | — | available | — | … |
| 2604:9aa0::/27 | — | available | — | … |
| 2604:9ac1::/32 | — | reserved | — | … |
| 2604:9ac2::/31 | — | reserved | — | … |
| 2604:9ac4::/30 | — | reserved | — | … |
| 2604:9ac8::/29 | — | reserved | — | … |
| 2604:9ad0::/28 | — | available | — | … |
| 2604:9ae0::/27 | — | available | — | … |
| 2604:9b01::/32 | — | reserved | — | … |
| 2604:9b02::/31 | — | reserved | — | … |
| 2604:9b04::/30 | — | reserved | — | … |
| 2604:9b08::/29 | — | reserved | — | … |
| 2604:9b10::/28 | — | available | — | … |
| 2604:9b20::/27 | — | available | — | … |
| 2604:9b41::/32 | — | reserved | — | … |
| 2604:9b42::/31 | — | reserved | — | … |