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 |
|---|---|---|---|---|
| 2001:501:b1f0::/45 | — | available | — | … |
| 2001:501:b1f8::/48 | — | available | — | … |
| 2001:501:b1fa::/47 | — | available | — | … |
| 2001:501:b1fc::/46 | — | available | — | … |
| 2001:501:b200::/39 | — | available | — | … |
| 2001:501:b400::/38 | — | available | — | … |
| 2001:501:b800::/37 | — | available | — | … |
| 2001:501:c000::/34 | — | available | — | … |
| 2001:502::/37 | — | available | — | … |
| 2001:502:800::/41 | — | available | — | … |
| 2001:502:880::/42 | — | available | — | … |
| 2001:502:8c0::/45 | — | available | — | … |
| 2001:502:8c8::/46 | — | available | — | … |
| 2001:502:8cd::/48 | — | available | — | … |
| 2001:502:8ce::/47 | — | available | — | … |
| 2001:502:8d0::/44 | — | available | — | … |
| 2001:502:8e0::/43 | — | available | — | … |
| 2001:502:900::/40 | — | available | — | … |
| 2001:502:a00::/39 | — | available | — | … |
| 2001:502:c00::/38 | — | available | — | … |
| 2001:502:1000::/45 | — | available | — | … |
| 2001:502:1008::/46 | — | available | — | … |
| 2001:502:100c::/47 | — | available | — | … |
| 2001:502:100f::/48 | — | available | — | … |
| 2001:502:1010::/44 | — | available | — | … |
| 2001:502:1020::/43 | — | available | — | … |
| 2001:502:1040::/42 | — | available | — | … |
| 2001:502:1080::/41 | — | available | — | … |
| 2001:502:1100::/40 | — | available | — | … |
| 2001:502:1200::/39 | — | available | — | … |
| 2001:502:1400::/38 | — | available | — | … |
| 2001:502:1800::/38 | — | available | — | … |
| 2001:502:1c00::/41 | — | available | — | … |
| 2001:502:1c80::/43 | — | available | — | … |
| 2001:502:1ca0::/48 | — | available | — | … |
| 2001:502:1ca2::/47 | — | available | — | … |
| 2001:502:1ca4::/46 | — | available | — | … |
| 2001:502:1ca8::/45 | — | available | — | … |
| 2001:502:1cb0::/44 | — | available | — | … |
| 2001:502:1cc0::/42 | — | available | — | … |
| 2001:502:1d00::/40 | — | available | — | … |
| 2001:502:1e00::/39 | — | available | — | … |
| 2001:502:2000::/37 | — | available | — | … |
| 2001:502:2800::/38 | — | available | — | … |
| 2001:502:2c00::/39 | — | available | — | … |
| 2001:502:2e00::/41 | — | available | — | … |
| 2001:502:2e80::/42 | — | available | — | … |
| 2001:502:2ec0::/44 | — | available | — | … |
| 2001:502:2ed0::/45 | — | available | — | … |
| 2001:502:2ed8::/47 | — | available | — | … |
| 2001:502:2edb::/48 | — | available | — | … |
| 2001:502:2edc::/46 | — | available | — | … |
| 2001:502:2ee0::/43 | — | available | — | … |
| 2001:502:2f00::/40 | — | available | — | … |
| 2001:502:3000::/36 | — | available | — | … |
| 2001:502:4000::/38 | — | available | — | … |
| 2001:502:4400::/39 | — | available | — | … |
| 2001:502:4600::/44 | — | available | — | … |
| 2001:502:4610::/47 | — | available | — | … |
| 2001:502:4613::/48 | — | available | — | … |
| 2001:502:4614::/46 | — | available | — | … |
| 2001:502:4618::/45 | — | available | — | … |
| 2001:502:4620::/43 | — | available | — | … |
| 2001:502:4640::/42 | — | available | — | … |
| 2001:502:4680::/41 | — | available | — | … |
| 2001:502:4700::/40 | — | available | — | … |
| 2001:502:4800::/37 | — | available | — | … |
| 2001:502:5000::/36 | — | available | — | … |
| 2001:502:6000::/39 | — | available | — | … |
| 2001:502:6200::/40 | — | available | — | … |
| 2001:502:6300::/41 | — | available | — | … |
| 2001:502:6380::/43 | — | available | — | … |
| 2001:502:63a0::/44 | — | available | — | … |
| 2001:502:63b0::/45 | — | available | — | … |
| 2001:502:63b8::/46 | — | available | — | … |
| 2001:502:63bc::/48 | — | available | — | … |
| 2001:502:63be::/47 | — | available | — | … |
| 2001:502:63c0::/42 | — | available | — | … |
| 2001:502:6400::/38 | — | available | — | … |
| 2001:502:6800::/37 | — | available | — | … |
| 2001:502:7000::/41 | — | available | — | … |
| 2001:502:7080::/44 | — | available | — | … |
| 2001:502:7090::/46 | — | available | — | … |
| 2001:502:7095::/48 | — | available | — | … |
| 2001:502:7096::/47 | — | available | — | … |
| 2001:502:7098::/45 | — | available | — | … |
| 2001:502:70a0::/43 | — | available | — | … |
| 2001:502:70c0::/42 | — | available | — | … |
| 2001:502:7100::/40 | — | available | — | … |
| 2001:502:7200::/39 | — | available | — | … |
| 2001:502:7400::/38 | — | available | — | … |
| 2001:502:7800::/39 | — | available | — | … |
| 2001:502:7a00::/42 | — | available | — | … |
| 2001:502:7a40::/43 | — | available | — | … |
| 2001:502:7a60::/44 | — | available | — | … |
| 2001:502:7a70::/48 | — | available | — | … |
| 2001:502:7a72::/47 | — | available | — | … |
| 2001:502:7a74::/46 | — | available | — | … |
| 2001:502:7a78::/45 | — | available | — | … |
| 2001:502:7a80::/41 | — | available | — | … |