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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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
PrefixCountryStatusAllocatedOrg handle
2620:13d:7800::/37 reserved
2620:13d:8010::/44 reserved
2620:13d:8020::/43 reserved
2620:13d:8040::/42 reserved
2620:13d:8080::/41 reserved
2620:13d:8100::/40 available
2620:13d:8200::/39 available
2620:13d:8400::/38 available
2620:13d:8800::/37 available
2620:13d:9010::/44 reserved
2620:13d:9020::/43 reserved
2620:13d:9040::/42 reserved
2620:13d:9080::/41 reserved
2620:13d:9100::/40 available
2620:13d:9200::/39 available
2620:13d:9400::/38 available
2620:13d:9800::/37 available
2620:13d:a010::/44 reserved
2620:13d:a020::/43 reserved
2620:13d:a040::/42 reserved
2620:13d:a080::/41 reserved
2620:13d:a100::/40 available
2620:13d:a200::/39 available
2620:13d:a400::/38 available
2620:13d:a800::/37 available
2620:13d:b100::/40 reserved
2620:13d:b200::/39 reserved
2620:13d:b400::/38 reserved
2620:13d:b800::/37 reserved
2620:13d:c010::/44 reserved
2620:13d:c020::/43 reserved
2620:13d:c040::/42 reserved
2620:13d:c080::/41 reserved
2620:13d:c100::/40 available
2620:13d:c200::/39 available
2620:13d:c400::/38 available
2620:13d:c800::/37 available
2620:13d:d100::/40 reserved
2620:13d:d200::/39 reserved
2620:13d:d400::/38 reserved
2620:13d:d800::/37 reserved
2620:13d:e010::/44 reserved
2620:13d:e020::/43 reserved
2620:13d:e040::/42 reserved
2620:13d:e080::/41 reserved
2620:13d:e100::/40 available
2620:13d:e200::/39 available
2620:13d:e400::/38 available
2620:13d:e800::/37 available
2620:13d:f100::/40 reserved
2620:13d:f200::/39 reserved
2620:13d:f400::/38 reserved
2620:13d:f800::/37 reserved
2620:13e::/44 reserved
2620:13e:10::/44 reserved
2620:13e:20::/43 reserved
2620:13e:40::/42 reserved
2620:13e:80::/41 reserved
2620:13e:100::/40 available
2620:13e:200::/39 available
2620:13e:400::/38 available
2620:13e:800::/37 available
2620:13e:1010::/44 reserved
2620:13e:1020::/43 reserved
2620:13e:1040::/42 reserved
2620:13e:1080::/41 reserved
2620:13e:1100::/40 available
2620:13e:1200::/39 available
2620:13e:1400::/38 available
2620:13e:1800::/37 available
2620:13e:2100::/40 reserved
2620:13e:2200::/39 reserved
2620:13e:2400::/38 reserved
2620:13e:2800::/37 reserved
2620:13e:3100::/40 reserved
2620:13e:3200::/39 reserved
2620:13e:3400::/38 reserved
2620:13e:3800::/37 reserved
2620:13e:4010::/44 reserved
2620:13e:4020::/43 reserved
2620:13e:4040::/42 reserved
2620:13e:4080::/41 reserved
2620:13e:4100::/40 available
2620:13e:4200::/39 available
2620:13e:4400::/38 available
2620:13e:4800::/37 available
2620:13e:5010::/44 reserved
2620:13e:5020::/43 reserved
2620:13e:5040::/42 reserved
2620:13e:5080::/41 reserved
2620:13e:5100::/40 available
2620:13e:5200::/39 available
2620:13e:5400::/38 available
2620:13e:5800::/37 available
2620:13e:6100::/40 reserved
2620:13e:6200::/39 reserved
2620:13e:6400::/38 reserved
2620:13e:6800::/37 reserved
2620:13e:7000::/40 reserved
2620:13e:7100::/40 reserved
91,201–91,300 of 92,001 « first‹ prev 911912913914915 next ›last » of 921