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 |
|---|---|---|---|---|
| 2001:502:7b00::/40 | — | available | — | … |
| 2001:502:7c00::/38 | — | available | — | … |
| 2001:502:8000::/37 | — | available | — | … |
| 2001:502:8800::/38 | — | available | — | … |
| 2001:502:8c00::/43 | — | available | — | … |
| 2001:502:8c20::/46 | — | available | — | … |
| 2001:502:8c24::/48 | — | available | — | … |
| 2001:502:8c26::/47 | — | available | — | … |
| 2001:502:8c28::/45 | — | available | — | … |
| 2001:502:8c30::/44 | — | available | — | … |
| 2001:502:8c40::/42 | — | available | — | … |
| 2001:502:8c80::/41 | — | available | — | … |
| 2001:502:8d00::/40 | — | available | — | … |
| 2001:502:8e00::/39 | — | available | — | … |
| 2001:502:9000::/36 | — | available | — | … |
| 2001:502:a000::/37 | — | available | — | … |
| 2001:502:a800::/38 | — | available | — | … |
| 2001:502:ac00::/40 | — | available | — | … |
| 2001:502:ad00::/45 | — | available | — | … |
| 2001:502:ad08::/48 | — | available | — | … |
| 2001:502:ad0a::/47 | — | available | — | … |
| 2001:502:ad0c::/46 | — | available | — | … |
| 2001:502:ad10::/44 | — | available | — | … |
| 2001:502:ad20::/43 | — | available | — | … |
| 2001:502:ad40::/42 | — | available | — | … |
| 2001:502:ad80::/41 | — | available | — | … |
| 2001:502:ae00::/39 | — | available | — | … |
| 2001:502:b000::/37 | — | available | — | … |
| 2001:502:b800::/38 | — | available | — | … |
| 2001:502:bc00::/39 | — | available | — | … |
| 2001:502:be00::/41 | — | available | — | … |
| 2001:502:be80::/44 | — | available | — | … |
| 2001:502:be90::/45 | — | available | — | … |
| 2001:502:be99::/48 | — | available | — | … |
| 2001:502:be9a::/47 | — | available | — | … |
| 2001:502:be9c::/46 | — | available | — | … |
| 2001:502:bea0::/43 | — | available | — | … |
| 2001:502:bec0::/42 | — | available | — | … |
| 2001:502:bf00::/40 | — | available | — | … |
| 2001:502:c000::/37 | — | available | — | … |
| 2001:502:c800::/39 | — | available | — | … |
| 2001:502:ca00::/40 | — | available | — | … |
| 2001:502:cb00::/41 | — | available | — | … |
| 2001:502:cb80::/42 | — | available | — | … |
| 2001:502:cbc0::/43 | — | available | — | … |
| 2001:502:cbe0::/46 | — | available | — | … |
| 2001:502:cbe5::/48 | — | available | — | … |
| 2001:502:cbe6::/47 | — | available | — | … |
| 2001:502:cbe8::/45 | — | available | — | … |
| 2001:502:cbf0::/44 | — | available | — | … |
| 2001:502:cc00::/39 | — | available | — | … |
| 2001:502:ce00::/40 | — | available | — | … |
| 2001:502:cf00::/41 | — | available | — | … |
| 2001:502:cf80::/43 | — | available | — | … |
| 2001:502:cfa0::/44 | — | available | — | … |
| 2001:502:cfb0::/46 | — | available | — | … |
| 2001:502:cfb4::/48 | — | available | — | … |
| 2001:502:cfb6::/47 | — | available | — | … |
| 2001:502:cfb8::/45 | — | available | — | … |
| 2001:502:cfc0::/42 | — | available | — | … |
| 2001:502:d000::/39 | — | available | — | … |
| 2001:502:d200::/40 | — | available | — | … |
| 2001:502:d300::/41 | — | available | — | … |
| 2001:502:d380::/44 | — | available | — | … |
| 2001:502:d390::/45 | — | available | — | … |
| 2001:502:d398::/48 | — | available | — | … |
| 2001:502:d39a::/47 | — | available | — | … |
| 2001:502:d39c::/46 | — | available | — | … |
| 2001:502:d3a0::/43 | — | available | — | … |
| 2001:502:d3c0::/42 | — | available | — | … |
| 2001:502:d400::/38 | — | available | — | … |
| 2001:502:d800::/37 | — | available | — | … |
| 2001:502:e000::/36 | — | available | — | … |
| 2001:502:f000::/39 | — | available | — | … |
| 2001:502:f200::/40 | — | available | — | … |
| 2001:502:f300::/41 | — | available | — | … |
| 2001:502:f380::/42 | — | available | — | … |
| 2001:502:f3c0::/43 | — | available | — | … |
| 2001:502:f3e0::/44 | — | available | — | … |
| 2001:502:f3f0::/45 | — | available | — | … |
| 2001:502:f3f8::/46 | — | available | — | … |
| 2001:502:f3fc::/47 | — | available | — | … |
| 2001:502:f3fe::/48 | — | available | — | … |
| 2001:502:f400::/38 | — | available | — | … |
| 2001:502:f800::/37 | — | available | — | … |
| 2001:503::/37 | — | available | — | … |
| 2001:503:800::/38 | — | available | — | … |
| 2001:503:c00::/43 | — | available | — | … |
| 2001:503:c20::/46 | — | available | — | … |
| 2001:503:c24::/47 | — | available | — | … |
| 2001:503:c26::/48 | — | available | — | … |
| 2001:503:c28::/45 | — | available | — | … |
| 2001:503:c30::/44 | — | available | — | … |
| 2001:503:c40::/42 | — | available | — | … |
| 2001:503:c80::/41 | — | available | — | … |
| 2001:503:d00::/43 | — | available | — | … |
| 2001:503:d20::/45 | — | available | — | … |
| 2001:503:d28::/46 | — | available | — | … |
| 2001:503:d2c::/48 | — | available | — | … |
| 2001:503:d2e::/47 | — | available | — | … |