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 |
|---|---|---|---|---|
| 2001:184a::/31 | — | reserved | — | … |
| 2001:184c::/30 | — | reserved | — | … |
| 2001:1851::/32 | — | reserved | — | … |
| 2001:1852::/31 | — | reserved | — | … |
| 2001:1854::/30 | — | reserved | — | … |
| 2001:1858::/29 | — | available | — | … |
| 2001:1861::/32 | — | reserved | — | … |
| 2001:1862::/31 | — | reserved | — | … |
| 2001:1864::/30 | — | reserved | — | … |
| 2001:1869::/32 | — | reserved | — | … |
| 2001:186a::/31 | — | reserved | — | … |
| 2001:186c::/30 | — | reserved | — | … |
| 2001:1870::/29 | — | available | — | … |
| 2001:1879::/32 | — | reserved | — | … |
| 2001:187a::/31 | — | reserved | — | … |
| 2001:187c::/30 | — | reserved | — | … |
| 2001:1880::/29 | — | available | — | … |
| 2001:1889::/32 | — | reserved | — | … |
| 2001:188a::/31 | — | reserved | — | … |
| 2001:188c::/30 | — | reserved | — | … |
| 2001:1899::/32 | — | reserved | — | … |
| 2001:189a::/31 | — | reserved | — | … |
| 2001:189c::/30 | — | reserved | — | … |
| 2001:18a1::/32 | — | reserved | — | … |
| 2001:18a2::/31 | — | reserved | — | … |
| 2001:18a4::/30 | — | reserved | — | … |
| 2001:18a8::/32 | — | reserved | — | … |
| 2001:18a9::/32 | — | reserved | — | … |
| 2001:18aa::/31 | — | reserved | — | … |
| 2001:18ac::/30 | — | reserved | — | … |
| 2001:18b1::/32 | — | reserved | — | … |
| 2001:18b2::/31 | — | reserved | — | … |
| 2001:18b4::/30 | — | reserved | — | … |
| 2001:18b9::/32 | — | reserved | — | … |
| 2001:18ba::/31 | — | reserved | — | … |
| 2001:18bc::/30 | — | reserved | — | … |
| 2001:18c1::/32 | — | reserved | — | … |
| 2001:18c2::/31 | — | reserved | — | … |
| 2001:18c4::/30 | — | reserved | — | … |
| 2001:18c9::/32 | — | reserved | — | … |
| 2001:18ca::/31 | — | reserved | — | … |
| 2001:18cc::/30 | — | reserved | — | … |
| 2001:18d0::/29 | — | available | — | … |
| 2001:18d9::/32 | — | reserved | — | … |
| 2001:18da::/31 | — | reserved | — | … |
| 2001:18dc::/30 | — | reserved | — | … |
| 2001:18e1::/32 | — | reserved | — | … |
| 2001:18e2::/31 | — | reserved | — | … |
| 2001:18e4::/30 | — | reserved | — | … |
| 2001:18e9::/32 | — | reserved | — | … |
| 2001:18ea::/31 | — | reserved | — | … |
| 2001:18ec::/30 | — | reserved | — | … |
| 2001:18f1::/32 | — | reserved | — | … |
| 2001:18f2::/31 | — | reserved | — | … |
| 2001:18f4::/30 | — | reserved | — | … |
| 2001:18f9::/32 | — | reserved | — | … |
| 2001:18fa::/31 | — | reserved | — | … |
| 2001:18fc::/30 | — | reserved | — | … |
| 2001:1901::/32 | — | reserved | — | … |
| 2001:1902::/31 | — | reserved | — | … |
| 2001:1904::/30 | — | reserved | — | … |
| 2001:1909::/32 | — | reserved | — | … |
| 2001:190a::/31 | — | reserved | — | … |
| 2001:190c::/30 | — | reserved | — | … |
| 2001:1911::/32 | — | reserved | — | … |
| 2001:1912::/31 | — | reserved | — | … |
| 2001:1914::/30 | — | reserved | — | … |
| 2001:1918::/29 | — | available | — | … |
| 2001:1921::/32 | — | reserved | — | … |
| 2001:1922::/31 | — | reserved | — | … |
| 2001:1924::/30 | — | reserved | — | … |
| 2001:1929::/32 | — | reserved | — | … |
| 2001:192a::/31 | — | reserved | — | … |
| 2001:192c::/30 | — | reserved | — | … |
| 2001:1931::/32 | — | reserved | — | … |
| 2001:1932::/31 | — | reserved | — | … |
| 2001:1934::/30 | — | reserved | — | … |
| 2001:1938::/29 | — | available | — | … |
| 2001:1941::/32 | — | reserved | — | … |
| 2001:1942::/31 | — | reserved | — | … |
| 2001:1944::/30 | — | reserved | — | … |
| 2001:1949::/32 | — | reserved | — | … |
| 2001:194a::/31 | — | reserved | — | … |
| 2001:194c::/30 | — | reserved | — | … |
| 2001:1951::/32 | — | reserved | — | … |
| 2001:1952::/31 | — | reserved | — | … |
| 2001:1954::/30 | — | reserved | — | … |
| 2001:1959::/32 | — | reserved | — | … |
| 2001:195a::/31 | — | reserved | — | … |
| 2001:195c::/30 | — | reserved | — | … |
| 2001:1961::/32 | — | reserved | — | … |
| 2001:1962::/31 | — | reserved | — | … |
| 2001:1964::/30 | — | reserved | — | … |
| 2001:1969::/32 | — | reserved | — | … |
| 2001:196a::/31 | — | reserved | — | … |
| 2001:196c::/30 | — | reserved | — | … |
| 2001:1971::/32 | — | reserved | — | … |
| 2001:1972::/31 | — | reserved | — | … |
| 2001:1974::/30 | — | reserved | — | … |
| 2001:1979::/32 | — | reserved | — | … |