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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2001:4894::/30 | — | reserved | — | … |
| 2001:489b::/32 | — | reserved | — | … |
| 2001:489c::/30 | — | reserved | — | … |
| 2001:48a1::/32 | — | reserved | — | … |
| 2001:48a2::/31 | — | reserved | — | … |
| 2001:48a4::/30 | — | reserved | — | … |
| 2001:48a9::/32 | — | reserved | — | … |
| 2001:48aa::/31 | — | reserved | — | … |
| 2001:48ac::/30 | — | reserved | — | … |
| 2001:48b1::/32 | — | reserved | — | … |
| 2001:48b2::/31 | — | reserved | — | … |
| 2001:48b4::/30 | — | reserved | — | … |
| 2001:48b9::/32 | — | reserved | — | … |
| 2001:48ba::/31 | — | reserved | — | … |
| 2001:48bc::/30 | — | reserved | — | … |
| 2001:48c1::/32 | — | reserved | — | … |
| 2001:48c2::/31 | — | reserved | — | … |
| 2001:48c4::/30 | — | reserved | — | … |
| 2001:48c9::/32 | — | reserved | — | … |
| 2001:48ca::/31 | — | reserved | — | … |
| 2001:48cc::/30 | — | reserved | — | … |
| 2001:48d1::/32 | — | reserved | — | … |
| 2001:48d2::/31 | — | reserved | — | … |
| 2001:48d4::/30 | — | reserved | — | … |
| 2001:48d9::/32 | — | reserved | — | … |
| 2001:48da::/31 | — | reserved | — | … |
| 2001:48dc::/30 | — | reserved | — | … |
| 2001:48e1::/32 | — | reserved | — | … |
| 2001:48e2::/31 | — | reserved | — | … |
| 2001:48e4::/30 | — | reserved | — | … |
| 2001:48f0::/29 | — | available | — | … |
| 2001:48f9::/32 | — | reserved | — | … |
| 2001:48fa::/31 | — | reserved | — | … |
| 2001:48fc::/30 | — | reserved | — | … |
| 2001:4901::/32 | — | reserved | — | … |
| 2001:4902::/31 | — | reserved | — | … |
| 2001:4904::/30 | — | reserved | — | … |
| 2001:4909::/32 | — | reserved | — | … |
| 2001:490a::/31 | — | reserved | — | … |
| 2001:490c::/30 | — | reserved | — | … |
| 2001:4911::/32 | — | reserved | — | … |
| 2001:4912::/31 | — | reserved | — | … |
| 2001:4914::/30 | — | reserved | — | … |
| 2001:4919::/32 | — | reserved | — | … |
| 2001:491a::/31 | — | reserved | — | … |
| 2001:491c::/30 | — | reserved | — | … |
| 2001:4921::/32 | — | reserved | — | … |
| 2001:4922::/31 | — | reserved | — | … |
| 2001:4924::/30 | — | reserved | — | … |
| 2001:4929::/32 | — | reserved | — | … |
| 2001:492a::/31 | — | reserved | — | … |
| 2001:492c::/30 | — | reserved | — | … |
| 2001:4931::/32 | — | reserved | — | … |
| 2001:4932::/31 | — | reserved | — | … |
| 2001:4934::/30 | — | reserved | — | … |
| 2001:4939::/32 | — | reserved | — | … |
| 2001:493a::/31 | — | reserved | — | … |
| 2001:493c::/30 | — | reserved | — | … |
| 2001:4941::/32 | — | reserved | — | … |
| 2001:4942::/31 | — | reserved | — | … |
| 2001:4944::/30 | — | reserved | — | … |
| 2001:4949::/32 | — | reserved | — | … |
| 2001:494a::/31 | — | reserved | — | … |
| 2001:494c::/30 | — | reserved | — | … |
| 2001:4951::/32 | — | reserved | — | … |
| 2001:4952::/31 | — | reserved | — | … |
| 2001:4954::/30 | — | reserved | — | … |
| 2001:4959::/32 | — | reserved | — | … |
| 2001:495a::/31 | — | reserved | — | … |
| 2001:495c::/30 | — | reserved | — | … |
| 2001:4961::/32 | — | reserved | — | … |
| 2001:4962::/31 | — | reserved | — | … |
| 2001:4964::/30 | — | reserved | — | … |
| 2001:4969::/32 | — | reserved | — | … |
| 2001:496a::/31 | — | reserved | — | … |
| 2001:496c::/30 | — | reserved | — | … |
| 2001:4971::/32 | — | reserved | — | … |
| 2001:4972::/31 | — | reserved | — | … |
| 2001:4974::/30 | — | reserved | — | … |
| 2001:4979::/32 | — | reserved | — | … |
| 2001:497a::/31 | — | reserved | — | … |
| 2001:497c::/30 | — | reserved | — | … |
| 2001:4981::/32 | — | reserved | — | … |
| 2001:4982::/31 | — | reserved | — | … |
| 2001:4984::/30 | — | reserved | — | … |
| 2001:4989::/32 | — | reserved | — | … |
| 2001:498a::/31 | — | reserved | — | … |
| 2001:498c::/30 | — | reserved | — | … |
| 2001:4991::/32 | — | reserved | — | … |
| 2001:4992::/31 | — | reserved | — | … |
| 2001:4994::/30 | — | reserved | — | … |
| 2001:4999::/32 | — | reserved | — | … |
| 2001:499a::/31 | — | reserved | — | … |
| 2001:499c::/30 | — | reserved | — | … |
| 2001:49a1::/32 | — | reserved | — | … |
| 2001:49a2::/31 | — | reserved | — | … |
| 2001:49a4::/30 | — | reserved | — | … |
| 2001:49a9::/32 | — | reserved | — | … |
| 2001:49aa::/31 | — | reserved | — | … |
| 2001:49ac::/30 | — | reserved | — | … |