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 |
|---|---|---|---|---|
| 2001:49b1::/32 | — | reserved | — | … |
| 2001:49b2::/31 | — | reserved | — | … |
| 2001:49b4::/30 | — | reserved | — | … |
| 2001:49b9::/32 | — | reserved | — | … |
| 2001:49ba::/31 | — | reserved | — | … |
| 2001:49bc::/30 | — | reserved | — | … |
| 2001:49c1::/32 | — | reserved | — | … |
| 2001:49c2::/31 | — | reserved | — | … |
| 2001:49c4::/30 | — | reserved | — | … |
| 2001:49c9::/32 | — | reserved | — | … |
| 2001:49ca::/31 | — | reserved | — | … |
| 2001:49cc::/30 | — | reserved | — | … |
| 2001:49d1::/32 | — | reserved | — | … |
| 2001:49d2::/31 | — | reserved | — | … |
| 2001:49d4::/30 | — | reserved | — | … |
| 2001:49d9::/32 | — | reserved | — | … |
| 2001:49da::/31 | — | reserved | — | … |
| 2001:49dc::/30 | — | reserved | — | … |
| 2001:49e1::/32 | — | reserved | — | … |
| 2001:49e2::/31 | — | reserved | — | … |
| 2001:49e4::/30 | — | reserved | — | … |
| 2001:49e9::/32 | — | reserved | — | … |
| 2001:49ea::/31 | — | reserved | — | … |
| 2001:49ec::/30 | — | reserved | — | … |
| 2001:49f1::/32 | — | reserved | — | … |
| 2001:49f2::/31 | — | reserved | — | … |
| 2001:49f4::/30 | — | reserved | — | … |
| 2001:49f9::/32 | — | reserved | — | … |
| 2001:49fa::/31 | — | reserved | — | … |
| 2001:49fc::/30 | — | reserved | — | … |
| 2600:10::/28 | — | available | — | … |
| 2600:20::/27 | — | available | — | … |
| 2600:40::/26 | — | available | — | … |
| 2600:80::/25 | — | available | — | … |
| 2600:110::/28 | — | reserved | — | … |
| 2600:120::/27 | — | reserved | — | … |
| 2600:140::/26 | — | reserved | — | … |
| 2600:180::/25 | — | reserved | — | … |
| 2600:210::/28 | — | reserved | — | … |
| 2600:220::/27 | — | reserved | — | … |
| 2600:240::/26 | — | reserved | — | … |
| 2600:280::/25 | — | reserved | — | … |
| 2600:401::/32 | — | reserved | — | … |
| 2600:402::/31 | — | reserved | — | … |
| 2600:404::/30 | — | reserved | — | … |
| 2600:408::/29 | — | reserved | — | … |
| 2600:410::/28 | — | reserved | — | … |
| 2600:420::/27 | — | reserved | — | … |
| 2600:440::/26 | — | reserved | — | … |
| 2600:480::/25 | — | reserved | — | … |
| 2600:500::/24 | — | reserved | — | … |
| 2600:600::/23 | — | reserved | — | … |
| 2600:820::/27 | — | reserved | — | … |
| 2600:840::/26 | — | reserved | — | … |
| 2600:880::/25 | — | available | — | … |
| 2600:910::/28 | — | reserved | — | … |
| 2600:920::/27 | — | reserved | — | … |
| 2600:940::/26 | — | reserved | — | … |
| 2600:980::/25 | — | reserved | — | … |
| 2600:a10::/28 | — | available | — | … |
| 2600:a20::/27 | — | available | — | … |
| 2600:a40::/26 | — | available | — | … |
| 2600:a80::/25 | — | available | — | … |
| 2600:b10::/28 | — | reserved | — | … |
| 2600:b20::/27 | — | reserved | — | … |
| 2600:b40::/26 | — | reserved | — | … |
| 2600:b80::/25 | — | reserved | — | … |
| 2600:c15::/32 | — | reserved | — | … |
| 2600:c16::/31 | — | reserved | — | … |
| 2600:c18::/29 | — | reserved | — | … |
| 2600:c20::/27 | — | available | — | … |
| 2600:c40::/26 | — | available | — | … |
| 2600:c80::/25 | — | available | — | … |
| 2600:d10::/28 | — | reserved | — | … |
| 2600:d20::/27 | — | reserved | — | … |
| 2600:d40::/26 | — | reserved | — | … |
| 2600:d80::/25 | — | reserved | — | … |
| 2600:e00::/23 | — | available | — | … |
| 2600:1018::/29 | — | reserved | — | … |
| 2600:1020::/27 | — | reserved | — | … |
| 2600:1040::/26 | — | available | — | … |
| 2600:1080::/25 | — | available | — | … |
| 2600:1110::/28 | — | reserved | — | … |
| 2600:1120::/27 | — | reserved | — | … |
| 2600:1140::/26 | — | reserved | — | … |
| 2600:1180::/25 | — | reserved | — | … |
| 2600:1310::/28 | — | reserved | — | … |
| 2600:1320::/27 | — | reserved | — | … |
| 2600:1340::/26 | — | reserved | — | … |
| 2600:1380::/25 | — | reserved | — | … |
| 2600:1510::/28 | — | reserved | — | … |
| 2600:1520::/27 | — | reserved | — | … |
| 2600:1540::/26 | — | reserved | — | … |
| 2600:1580::/25 | — | reserved | — | … |
| 2600:1710::/28 | — | reserved | — | … |
| 2600:1720::/27 | — | reserved | — | … |
| 2600:1740::/26 | — | reserved | — | … |
| 2600:1780::/25 | — | reserved | — | … |
| 2600:1810::/28 | — | reserved | — | … |
| 2600:1820::/27 | — | available | — | … |