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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:27c2::/31 | — | reserved | — | … |
| 2604:27c4::/30 | — | reserved | — | … |
| 2604:27c8::/29 | — | reserved | — | … |
| 2604:27d0::/28 | — | available | — | … |
| 2604:27e1::/32 | — | reserved | — | … |
| 2604:27e2::/31 | — | reserved | — | … |
| 2604:27e4::/30 | — | reserved | — | … |
| 2604:27e8::/29 | — | reserved | — | … |
| 2604:27f0::/28 | — | available | — | … |
| 2604:2801::/32 | — | reserved | — | … |
| 2604:2802::/31 | — | reserved | — | … |
| 2604:2804::/30 | — | reserved | — | … |
| 2604:2808::/29 | — | reserved | — | … |
| 2604:2810::/28 | — | available | — | … |
| 2604:2821::/32 | — | reserved | — | … |
| 2604:2822::/31 | — | reserved | — | … |
| 2604:2824::/30 | — | reserved | — | … |
| 2604:2828::/29 | — | reserved | — | … |
| 2604:2830::/28 | — | available | — | … |
| 2604:2841::/32 | — | reserved | — | … |
| 2604:2842::/31 | — | reserved | — | … |
| 2604:2844::/30 | — | reserved | — | … |
| 2604:2848::/29 | — | reserved | — | … |
| 2604:2850::/28 | — | available | — | … |
| 2604:2861::/32 | — | reserved | — | … |
| 2604:2862::/31 | — | reserved | — | … |
| 2604:2864::/30 | — | reserved | — | … |
| 2604:2868::/29 | — | reserved | — | … |
| 2604:2870::/28 | — | available | — | … |
| 2604:2881::/32 | — | reserved | — | … |
| 2604:2882::/31 | — | reserved | — | … |
| 2604:2884::/30 | — | reserved | — | … |
| 2604:2888::/29 | — | reserved | — | … |
| 2604:2890::/28 | — | available | — | … |
| 2604:28a1::/32 | — | reserved | — | … |
| 2604:28a2::/31 | — | reserved | — | … |
| 2604:28a4::/30 | — | reserved | — | … |
| 2604:28a8::/29 | — | reserved | — | … |
| 2604:28b0::/28 | — | available | — | … |
| 2604:28c1::/32 | — | reserved | — | … |
| 2604:28c2::/31 | — | reserved | — | … |
| 2604:28c4::/30 | — | reserved | — | … |
| 2604:28c8::/29 | — | reserved | — | … |
| 2604:28d0::/28 | — | available | — | … |
| 2604:28e1::/32 | — | reserved | — | … |
| 2604:28e2::/31 | — | reserved | — | … |
| 2604:28e4::/30 | — | reserved | — | … |
| 2604:28e8::/29 | — | reserved | — | … |
| 2604:28f0::/28 | — | available | — | … |
| 2604:2901::/32 | — | reserved | — | … |
| 2604:2902::/31 | — | reserved | — | … |
| 2604:2904::/30 | — | reserved | — | … |
| 2604:2908::/29 | — | reserved | — | … |
| 2604:2910::/28 | — | available | — | … |
| 2604:2921::/32 | — | reserved | — | … |
| 2604:2922::/31 | — | reserved | — | … |
| 2604:2924::/30 | — | reserved | — | … |
| 2604:2928::/29 | — | reserved | — | … |
| 2604:2930::/28 | — | available | — | … |
| 2604:2941::/32 | — | reserved | — | … |
| 2604:2942::/31 | — | reserved | — | … |
| 2604:2944::/30 | — | reserved | — | … |
| 2604:2948::/29 | — | reserved | — | … |
| 2604:2950::/28 | — | available | — | … |
| 2604:2961::/32 | — | reserved | — | … |
| 2604:2962::/31 | — | reserved | — | … |
| 2604:2964::/30 | — | reserved | — | … |
| 2604:2968::/29 | — | reserved | — | … |
| 2604:2970::/28 | — | available | — | … |
| 2604:2981::/32 | — | reserved | — | … |
| 2604:2982::/31 | — | reserved | — | … |
| 2604:2984::/30 | — | reserved | — | … |
| 2604:2988::/29 | — | reserved | — | … |
| 2604:2990::/28 | — | available | — | … |
| 2604:29a1::/32 | — | reserved | — | … |
| 2604:29a2::/31 | — | reserved | — | … |
| 2604:29a4::/30 | — | reserved | — | … |
| 2604:29a8::/29 | — | reserved | — | … |
| 2604:29b0::/28 | — | available | — | … |
| 2604:29c0::/27 | — | available | — | … |
| 2604:29e1::/32 | — | reserved | — | … |
| 2604:29e2::/31 | — | reserved | — | … |
| 2604:29e4::/30 | — | reserved | — | … |
| 2604:29e8::/29 | — | reserved | — | … |
| 2604:29f0::/28 | — | available | — | … |
| 2604:2a01::/32 | — | reserved | — | … |
| 2604:2a02::/31 | — | reserved | — | … |
| 2604:2a04::/30 | — | reserved | — | … |
| 2604:2a08::/29 | — | reserved | — | … |
| 2604:2a10::/28 | — | available | — | … |
| 2604:2a21::/32 | — | reserved | — | … |
| 2604:2a22::/31 | — | reserved | — | … |
| 2604:2a24::/30 | — | reserved | — | … |
| 2604:2a28::/29 | — | reserved | — | … |
| 2604:2a30::/28 | — | available | — | … |
| 2604:2a41::/32 | — | reserved | — | … |
| 2604:2a42::/31 | — | reserved | — | … |
| 2604:2a44::/30 | — | reserved | — | … |
| 2604:2a48::/29 | — | reserved | — | … |
| 2604:2a50::/28 | — | available | — | … |