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
1,644,591,360
📦
IPv4 networks
76,802
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:1544::/30 | — | reserved | — | … |
| 2604:1548::/29 | — | reserved | — | … |
| 2604:1550::/28 | — | available | — | … |
| 2604:1561::/32 | — | reserved | — | … |
| 2604:1562::/31 | — | reserved | — | … |
| 2604:1564::/30 | — | reserved | — | … |
| 2604:1568::/29 | — | reserved | — | … |
| 2604:1570::/28 | — | available | — | … |
| 2604:1581::/32 | — | reserved | — | … |
| 2604:1582::/31 | — | reserved | — | … |
| 2604:1584::/30 | — | reserved | — | … |
| 2604:1588::/29 | — | reserved | — | … |
| 2604:1590::/28 | — | available | — | … |
| 2604:15a1::/32 | — | reserved | — | … |
| 2604:15a2::/31 | — | reserved | — | … |
| 2604:15a4::/30 | — | reserved | — | … |
| 2604:15a8::/29 | — | reserved | — | … |
| 2604:15b0::/28 | — | available | — | … |
| 2604:15c1::/32 | — | reserved | — | … |
| 2604:15c2::/31 | — | reserved | — | … |
| 2604:15c4::/30 | — | reserved | — | … |
| 2604:15c8::/29 | — | reserved | — | … |
| 2604:15d0::/28 | — | available | — | … |
| 2604:15e1::/32 | — | reserved | — | … |
| 2604:15e2::/31 | — | reserved | — | … |
| 2604:15e4::/30 | — | reserved | — | … |
| 2604:15e8::/29 | — | reserved | — | … |
| 2604:15f0::/28 | — | available | — | … |
| 2604:1600::/32 | — | reserved | — | … |
| 2604:1601::/32 | — | reserved | — | … |
| 2604:1602::/31 | — | reserved | — | … |
| 2604:1604::/30 | — | reserved | — | … |
| 2604:1608::/29 | — | reserved | — | … |
| 2604:1610::/28 | — | available | — | … |
| 2604:1621::/32 | — | reserved | — | … |
| 2604:1622::/31 | — | reserved | — | … |
| 2604:1624::/30 | — | reserved | — | … |
| 2604:1628::/29 | — | reserved | — | … |
| 2604:1630::/28 | — | available | — | … |
| 2604:1641::/32 | — | reserved | — | … |
| 2604:1642::/31 | — | reserved | — | … |
| 2604:1644::/30 | — | reserved | — | … |
| 2604:1648::/29 | — | reserved | — | … |
| 2604:1650::/28 | — | available | — | … |
| 2604:1661::/32 | — | reserved | — | … |
| 2604:1662::/31 | — | reserved | — | … |
| 2604:1664::/30 | — | reserved | — | … |
| 2604:1668::/29 | — | reserved | — | … |
| 2604:1670::/28 | — | available | — | … |
| 2604:1681::/32 | — | reserved | — | … |
| 2604:1682::/31 | — | reserved | — | … |
| 2604:1684::/30 | — | reserved | — | … |
| 2604:1688::/29 | — | reserved | — | … |
| 2604:1690::/28 | — | available | — | … |
| 2604:16a1::/32 | — | reserved | — | … |
| 2604:16a2::/31 | — | reserved | — | … |
| 2604:16a4::/30 | — | reserved | — | … |
| 2604:16a8::/29 | — | reserved | — | … |
| 2604:16b0::/28 | — | available | — | … |
| 2604:16c1::/32 | — | reserved | — | … |
| 2604:16c2::/31 | — | reserved | — | … |
| 2604:16c4::/30 | — | reserved | — | … |
| 2604:16c8::/29 | — | reserved | — | … |
| 2604:16d0::/28 | — | available | — | … |
| 2604:16e1::/32 | — | reserved | — | … |
| 2604:16e2::/31 | — | reserved | — | … |
| 2604:16e4::/30 | — | reserved | — | … |
| 2604:16e8::/29 | — | reserved | — | … |
| 2604:16f0::/28 | — | available | — | … |
| 2604:1701::/32 | — | reserved | — | … |
| 2604:1702::/31 | — | reserved | — | … |
| 2604:1704::/30 | — | reserved | — | … |
| 2604:1708::/29 | — | reserved | — | … |
| 2604:1710::/28 | — | available | — | … |
| 2604:1721::/32 | — | reserved | — | … |
| 2604:1722::/31 | — | reserved | — | … |
| 2604:1724::/30 | — | reserved | — | … |
| 2604:1728::/29 | — | reserved | — | … |
| 2604:1730::/28 | — | available | — | … |
| 2604:1741::/32 | — | reserved | — | … |
| 2604:1742::/31 | — | reserved | — | … |
| 2604:1744::/30 | — | reserved | — | … |
| 2604:1748::/29 | — | reserved | — | … |
| 2604:1750::/28 | — | available | — | … |
| 2604:1761::/32 | — | reserved | — | … |
| 2604:1762::/31 | — | reserved | — | … |
| 2604:1764::/30 | — | reserved | — | … |
| 2604:1768::/29 | — | reserved | — | … |
| 2604:1770::/28 | — | available | — | … |
| 2604:1781::/32 | — | reserved | — | … |
| 2604:1782::/31 | — | reserved | — | … |
| 2604:1784::/30 | — | reserved | — | … |
| 2604:1788::/29 | — | reserved | — | … |
| 2604:1790::/28 | — | available | — | … |
| 2604:17a1::/32 | — | reserved | — | … |
| 2604:17a2::/31 | — | reserved | — | … |
| 2604:17a4::/30 | — | reserved | — | … |
| 2604:17a8::/29 | — | reserved | — | … |
| 2604:17b0::/28 | — | available | — | … |
| 2604:17c1::/32 | — | reserved | — | … |