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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:a041::/32 | — | reserved | — | … |
| 2604:a042::/31 | — | reserved | — | … |
| 2604:a044::/30 | — | reserved | — | … |
| 2604:a048::/29 | — | reserved | — | … |
| 2604:a050::/28 | — | available | — | … |
| 2604:a060::/27 | — | available | — | … |
| 2604:a081::/32 | — | reserved | — | … |
| 2604:a082::/31 | — | reserved | — | … |
| 2604:a084::/30 | — | reserved | — | … |
| 2604:a088::/29 | — | reserved | — | … |
| 2604:a090::/28 | — | available | — | … |
| 2604:a0a0::/27 | — | available | — | … |
| 2604:a0c1::/32 | — | reserved | — | … |
| 2604:a0c2::/31 | — | reserved | — | … |
| 2604:a0c4::/30 | — | reserved | — | … |
| 2604:a0c8::/29 | — | reserved | — | … |
| 2604:a0d0::/28 | — | available | — | … |
| 2604:a0e0::/27 | — | available | — | … |
| 2604:a101::/32 | — | reserved | — | … |
| 2604:a102::/31 | — | reserved | — | … |
| 2604:a104::/30 | — | reserved | — | … |
| 2604:a108::/29 | — | reserved | — | … |
| 2604:a110::/28 | — | available | — | … |
| 2604:a120::/27 | — | available | — | … |
| 2604:a141::/32 | — | reserved | — | … |
| 2604:a142::/31 | — | reserved | — | … |
| 2604:a144::/30 | — | reserved | — | … |
| 2604:a148::/29 | — | reserved | — | … |
| 2604:a150::/28 | — | available | — | … |
| 2604:a160::/27 | — | available | — | … |
| 2604:a181::/32 | — | reserved | — | … |
| 2604:a182::/31 | — | reserved | — | … |
| 2604:a184::/30 | — | reserved | — | … |
| 2604:a188::/29 | — | reserved | — | … |
| 2604:a190::/28 | — | available | — | … |
| 2604:a1a0::/27 | — | available | — | … |
| 2604:a1c1::/32 | — | reserved | — | … |
| 2604:a1c2::/31 | — | reserved | — | … |
| 2604:a1c4::/30 | — | reserved | — | … |
| 2604:a1c8::/29 | — | reserved | — | … |
| 2604:a1d0::/28 | — | available | — | … |
| 2604:a1e0::/27 | — | available | — | … |
| 2604:a201::/32 | — | reserved | — | … |
| 2604:a202::/31 | — | reserved | — | … |
| 2604:a204::/30 | — | reserved | — | … |
| 2604:a208::/29 | — | reserved | — | … |
| 2604:a210::/28 | — | available | — | … |
| 2604:a220::/27 | — | available | — | … |
| 2604:a241::/32 | — | reserved | — | … |
| 2604:a242::/31 | — | reserved | — | … |
| 2604:a244::/30 | — | reserved | — | … |
| 2604:a248::/29 | — | reserved | — | … |
| 2604:a250::/28 | — | available | — | … |
| 2604:a260::/27 | — | available | — | … |
| 2604:a281::/32 | — | reserved | — | … |
| 2604:a282::/31 | — | reserved | — | … |
| 2604:a284::/30 | — | reserved | — | … |
| 2604:a288::/29 | — | reserved | — | … |
| 2604:a290::/28 | — | available | — | … |
| 2604:a2a0::/27 | — | available | — | … |
| 2604:a2c1::/32 | — | reserved | — | … |
| 2604:a2c2::/31 | — | reserved | — | … |
| 2604:a2c4::/30 | — | reserved | — | … |
| 2604:a2c8::/29 | — | reserved | — | … |
| 2604:a2d0::/28 | — | available | — | … |
| 2604:a2e0::/27 | — | available | — | … |
| 2604:a301::/32 | — | reserved | — | … |
| 2604:a302::/31 | — | reserved | — | … |
| 2604:a304::/30 | — | reserved | — | … |
| 2604:a308::/29 | — | reserved | — | … |
| 2604:a310::/28 | — | available | — | … |
| 2604:a320::/27 | — | available | — | … |
| 2604:a341::/32 | — | reserved | — | … |
| 2604:a342::/31 | — | reserved | — | … |
| 2604:a344::/30 | — | reserved | — | … |
| 2604:a348::/29 | — | reserved | — | … |
| 2604:a350::/28 | — | available | — | … |
| 2604:a360::/27 | — | available | — | … |
| 2604:a380::/26 | — | available | — | … |
| 2604:a3c1::/32 | — | reserved | — | … |
| 2604:a3c2::/31 | — | reserved | — | … |
| 2604:a3c4::/30 | — | reserved | — | … |
| 2604:a3c8::/29 | — | reserved | — | … |
| 2604:a3d0::/28 | — | available | — | … |
| 2604:a3e0::/27 | — | available | — | … |
| 2604:a401::/32 | — | reserved | — | … |
| 2604:a402::/31 | — | reserved | — | … |
| 2604:a404::/30 | — | reserved | — | … |
| 2604:a408::/29 | — | reserved | — | … |
| 2604:a410::/28 | — | available | — | … |
| 2604:a420::/27 | — | available | — | … |
| 2604:a441::/32 | — | reserved | — | … |
| 2604:a442::/31 | — | reserved | — | … |
| 2604:a444::/30 | — | reserved | — | … |
| 2604:a448::/29 | — | reserved | — | … |
| 2604:a450::/28 | — | available | — | … |
| 2604:a460::/27 | — | available | — | … |
| 2604:a481::/32 | — | reserved | — | … |
| 2604:a482::/31 | — | reserved | — | … |
| 2604:a484::/30 | — | reserved | — | … |