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 |
|---|---|---|---|---|
| 2001:197a::/31 | — | reserved | — | … |
| 2001:197c::/30 | — | reserved | — | … |
| 2001:1981::/32 | — | reserved | — | … |
| 2001:1982::/31 | — | reserved | — | … |
| 2001:1984::/30 | — | reserved | — | … |
| 2001:1989::/32 | — | reserved | — | … |
| 2001:198a::/31 | — | reserved | — | … |
| 2001:198c::/30 | — | reserved | — | … |
| 2001:1991::/32 | — | reserved | — | … |
| 2001:1992::/31 | — | reserved | — | … |
| 2001:1994::/30 | — | reserved | — | … |
| 2001:1999::/32 | — | reserved | — | … |
| 2001:199a::/31 | — | reserved | — | … |
| 2001:199c::/30 | — | reserved | — | … |
| 2001:19a1::/32 | — | reserved | — | … |
| 2001:19a2::/31 | — | reserved | — | … |
| 2001:19a4::/30 | — | reserved | — | … |
| 2001:19a9::/32 | — | reserved | — | … |
| 2001:19aa::/31 | — | reserved | — | … |
| 2001:19ac::/30 | — | reserved | — | … |
| 2001:19b1::/32 | — | reserved | — | … |
| 2001:19b2::/31 | — | reserved | — | … |
| 2001:19b4::/30 | — | reserved | — | … |
| 2001:19b9::/32 | — | reserved | — | … |
| 2001:19ba::/31 | — | reserved | — | … |
| 2001:19bc::/30 | — | reserved | — | … |
| 2001:19c1::/32 | — | reserved | — | … |
| 2001:19c2::/31 | — | reserved | — | … |
| 2001:19c4::/30 | — | reserved | — | … |
| 2001:19c9::/32 | — | reserved | — | … |
| 2001:19ca::/31 | — | reserved | — | … |
| 2001:19cc::/30 | — | reserved | — | … |
| 2001:19d1::/32 | — | reserved | — | … |
| 2001:19d2::/31 | — | reserved | — | … |
| 2001:19d4::/30 | — | reserved | — | … |
| 2001:19d8::/32 | — | reserved | — | … |
| 2001:19d9::/32 | — | reserved | — | … |
| 2001:19da::/31 | — | reserved | — | … |
| 2001:19dc::/30 | — | reserved | — | … |
| 2001:19e1::/32 | — | reserved | — | … |
| 2001:19e2::/31 | — | reserved | — | … |
| 2001:19e4::/30 | — | reserved | — | … |
| 2001:19e9::/32 | — | reserved | — | … |
| 2001:19ea::/31 | — | reserved | — | … |
| 2001:19ec::/30 | — | reserved | — | … |
| 2001:19f1::/32 | — | reserved | — | … |
| 2001:19f2::/31 | — | reserved | — | … |
| 2001:19f4::/30 | — | reserved | — | … |
| 2001:19f9::/32 | — | reserved | — | … |
| 2001:19fa::/31 | — | reserved | — | … |
| 2001:19fc::/30 | — | reserved | — | … |
| 2001:4809::/32 | — | reserved | — | … |
| 2001:480a::/31 | — | reserved | — | … |
| 2001:480c::/30 | — | reserved | — | … |
| 2001:4810::/32 | — | reserved | — | … |
| 2001:4811::/32 | — | reserved | — | … |
| 2001:4812::/31 | — | reserved | — | … |
| 2001:4814::/30 | — | reserved | — | … |
| 2001:4819::/32 | — | reserved | — | … |
| 2001:481a::/31 | — | reserved | — | … |
| 2001:481c::/30 | — | reserved | — | … |
| 2001:4820::/29 | — | available | — | … |
| 2001:4829::/32 | — | reserved | — | … |
| 2001:482a::/31 | — | reserved | — | … |
| 2001:482c::/30 | — | reserved | — | … |
| 2001:4831::/32 | — | reserved | — | … |
| 2001:4832::/31 | — | reserved | — | … |
| 2001:4834::/30 | — | reserved | — | … |
| 2001:4839::/32 | — | reserved | — | … |
| 2001:483a::/31 | — | reserved | — | … |
| 2001:483c::/30 | — | reserved | — | … |
| 2001:4841::/32 | — | reserved | — | … |
| 2001:4842::/31 | — | reserved | — | … |
| 2001:4844::/30 | — | reserved | — | … |
| 2001:4849::/32 | — | reserved | — | … |
| 2001:484a::/31 | — | reserved | — | … |
| 2001:484c::/30 | — | reserved | — | … |
| 2001:4851::/32 | — | reserved | — | … |
| 2001:4852::/31 | — | reserved | — | … |
| 2001:4854::/30 | — | reserved | — | … |
| 2001:4859::/32 | — | reserved | — | … |
| 2001:485a::/31 | — | reserved | — | … |
| 2001:485c::/30 | — | reserved | — | … |
| 2001:4861::/32 | — | reserved | — | … |
| 2001:4862::/31 | — | reserved | — | … |
| 2001:4864::/30 | — | reserved | — | … |
| 2001:4869::/32 | — | reserved | — | … |
| 2001:486a::/31 | — | reserved | — | … |
| 2001:486c::/30 | — | reserved | — | … |
| 2001:4872::/31 | — | reserved | — | … |
| 2001:4874::/30 | — | reserved | — | … |
| 2001:4879::/32 | — | reserved | — | … |
| 2001:487a::/31 | — | reserved | — | … |
| 2001:487c::/30 | — | reserved | — | … |
| 2001:4880::/29 | — | available | — | … |
| 2001:4889::/32 | — | reserved | — | … |
| 2001:488a::/31 | — | reserved | — | … |
| 2001:488c::/30 | — | reserved | — | … |
| 2001:4891::/32 | — | reserved | — | … |
| 2001:4892::/31 | — | reserved | — | … |