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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2603:c800::/21 | — | reserved | — | … |
| 2603:d100::/24 | — | reserved | — | … |
| 2603:d200::/23 | — | reserved | — | … |
| 2603:d400::/22 | — | reserved | — | … |
| 2603:d800::/21 | — | reserved | — | … |
| 2603:f000::/20 | — | reserved | — | … |
| 2604:1::/32 | — | reserved | — | … |
| 2604:2::/31 | — | reserved | — | … |
| 2604:4::/30 | — | reserved | — | … |
| 2604:8::/29 | — | reserved | — | … |
| 2604:11::/32 | — | reserved | — | … |
| 2604:12::/31 | — | reserved | — | … |
| 2604:14::/30 | — | reserved | — | … |
| 2604:18::/29 | — | reserved | — | … |
| 2604:20::/28 | — | available | — | … |
| 2604:31::/32 | — | reserved | — | … |
| 2604:32::/31 | — | reserved | — | … |
| 2604:34::/30 | — | reserved | — | … |
| 2604:38::/29 | — | reserved | — | … |
| 2604:40::/28 | — | available | — | … |
| 2604:51::/32 | — | reserved | — | … |
| 2604:52::/31 | — | reserved | — | … |
| 2604:54::/30 | — | reserved | — | … |
| 2604:58::/29 | — | reserved | — | … |
| 2604:60::/28 | — | available | — | … |
| 2604:71::/32 | — | reserved | — | … |
| 2604:72::/31 | — | reserved | — | … |
| 2604:74::/30 | — | reserved | — | … |
| 2604:78::/29 | — | reserved | — | … |
| 2604:80::/27 | — | available | — | … |
| 2604:a0::/28 | — | available | — | … |
| 2604:b1::/32 | — | reserved | — | … |
| 2604:b2::/31 | — | reserved | — | … |
| 2604:b4::/30 | — | reserved | — | … |
| 2604:b8::/29 | — | reserved | — | … |
| 2604:c0::/28 | — | available | — | … |
| 2604:d1::/32 | — | reserved | — | … |
| 2604:d2::/31 | — | reserved | — | … |
| 2604:d4::/30 | — | reserved | — | … |
| 2604:d8::/29 | — | reserved | — | … |
| 2604:e0::/27 | — | available | — | … |
| 2604:101::/32 | — | reserved | — | … |
| 2604:102::/31 | — | reserved | — | … |
| 2604:104::/30 | — | reserved | — | … |
| 2604:108::/29 | — | reserved | — | … |
| 2604:110::/28 | — | available | — | … |
| 2604:121::/32 | — | reserved | — | … |
| 2604:122::/31 | — | reserved | — | … |
| 2604:124::/30 | — | reserved | — | … |
| 2604:128::/29 | — | reserved | — | … |
| 2604:130::/28 | — | available | — | … |
| 2604:141::/32 | — | reserved | — | … |
| 2604:142::/31 | — | reserved | — | … |
| 2604:144::/30 | — | reserved | — | … |
| 2604:148::/29 | — | reserved | — | … |
| 2604:150::/28 | — | available | — | … |
| 2604:161::/32 | — | reserved | — | … |
| 2604:162::/31 | — | reserved | — | … |
| 2604:164::/30 | — | reserved | — | … |
| 2604:168::/29 | — | reserved | — | … |
| 2604:170::/28 | — | available | — | … |
| 2604:181::/32 | — | reserved | — | … |
| 2604:182::/31 | — | reserved | — | … |
| 2604:184::/30 | — | reserved | — | … |
| 2604:188::/29 | — | reserved | — | … |
| 2604:190::/28 | — | available | — | … |
| 2604:1a0::/32 | — | reserved | — | … |
| 2604:1a1::/32 | — | reserved | — | … |
| 2604:1a2::/31 | — | reserved | — | … |
| 2604:1a4::/30 | — | reserved | — | … |
| 2604:1a8::/29 | — | reserved | — | … |
| 2604:1b0::/28 | — | available | — | … |
| 2604:1c1::/32 | — | reserved | — | … |
| 2604:1c2::/31 | — | reserved | — | … |
| 2604:1c4::/30 | — | reserved | — | … |
| 2604:1c8::/29 | — | reserved | — | … |
| 2604:1d0::/28 | — | available | — | … |
| 2604:1e1::/32 | — | reserved | — | … |
| 2604:1e2::/31 | — | reserved | — | … |
| 2604:1e4::/30 | — | reserved | — | … |
| 2604:1e8::/29 | — | reserved | — | … |
| 2604:1f0::/28 | — | available | — | … |
| 2604:201::/32 | — | reserved | — | … |
| 2604:202::/31 | — | reserved | — | … |
| 2604:204::/30 | — | reserved | — | … |
| 2604:208::/29 | — | reserved | — | … |
| 2604:210::/28 | — | available | — | … |
| 2604:221::/32 | — | reserved | — | … |
| 2604:222::/31 | — | reserved | — | … |
| 2604:224::/30 | — | reserved | — | … |
| 2604:228::/29 | — | reserved | — | … |
| 2604:230::/28 | — | available | — | … |
| 2604:241::/32 | — | reserved | — | … |
| 2604:242::/31 | — | reserved | — | … |
| 2604:244::/30 | — | reserved | — | … |
| 2604:248::/29 | — | reserved | — | … |
| 2604:250::/28 | — | available | — | … |
| 2604:261::/32 | — | reserved | — | … |
| 2604:262::/31 | — | reserved | — | … |
| 2604:264::/30 | — | reserved | — | … |