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
| AS | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| AS4311 |  US |
assigned | 1995-01-26 | 083179c31ee6… |
| AS4312 | US |
assigned | 1995-01-26 | 89a0ec69fae5… |
| AS4313 | US |
assigned | 1995-01-26 | e220ed812a4c… |
| AS4314 | US |
assigned | 1995-01-26 | 4b38da225171… |
| AS4299–AS4301 | US |
assigned | 1995-01-24 | 098ab4e7cac5… |
| AS4271 | US |
assigned | 1995-01-19 | 981bf7af9122… |
| AS4272 | US |
assigned | 1995-01-19 | 0536dfa83384… |
| AS4273 | US |
assigned | 1995-01-19 | 098ab4e7cac5… |
| AS4275 | US |
assigned | 1995-01-19 | be4a58738635… |
| AS4276 | US |
assigned | 1995-01-19 | 30a479d5d881… |
| AS4278 | US |
assigned | 1995-01-19 | d538268083a4… |
| AS4279 | US |
assigned | 1995-01-19 | 9938e9bd2aba… |
| AS4286 | US |
assigned | 1995-01-19 | e220ed812a4c… |
| AS4260 | US |
assigned | 1995-01-18 | 59c8f6c51ee3… |
| AS4261 | US |
assigned | 1995-01-18 | fdbcd0cc55d1… |
| AS4262–AS4269 | US |
assigned | 1995-01-18 | 969c9524ab49… |
| AS4250 | US |
assigned | 1995-01-13 | 7b3cc8550ec4… |
| AS4252 | US |
assigned | 1995-01-13 | 45fe880b68a8… |
| AS4253 | US |
assigned | 1995-01-13 | 2caec606ae8c… |
| AS4254 | US |
assigned | 1995-01-13 | c096bf755fee… |
| AS4255 | US |
assigned | 1995-01-13 | 965e9ca560aa… |
| AS4256 | US |
assigned | 1995-01-13 | d2985caa1534… |
| AS4257 | US |
assigned | 1995-01-13 | e645ff05b658… |
| AS4258 | US |
assigned | 1995-01-13 | e5109a91de4e… |
| AS4233 | US |
assigned | 1995-01-11 | 01b0017a102d… |
| AS4234 | US |
assigned | 1995-01-11 | 8d48e0b1405a… |
| AS4235 | US |
assigned | 1995-01-11 | 55a4344e2fd2… |
| AS4236 | US |
assigned | 1995-01-11 | e9d4715f02a5… |
| AS4238 | US |
assigned | 1995-01-11 | c36fd56a2122… |
| AS4239 | US |
assigned | 1995-01-11 | e220ed812a4c… |
| AS4240 | US |
assigned | 1995-01-11 | b828a6f42912… |
| AS4241 | US |
assigned | 1995-01-11 | f913a810dc77… |
| AS4243 | US |
assigned | 1995-01-11 | dd02f9b1a9de… |
| AS4245 | US |
assigned | 1995-01-11 | 0cb215f8bcde… |
| AS4246 | US |
assigned | 1995-01-11 | 6521b564b48f… |
| AS4247 | US |
assigned | 1995-01-11 | e67e45ccea07… |
| AS4248 | US |
assigned | 1995-01-11 | 0589b5706e14… |
| AS4249 | US |
assigned | 1995-01-11 | ec8e1bc9e1dc… |
| AS4232 | US |
assigned | 1995-01-10 | 3cf126d72ba6… |
| AS4212 | US |
assigned | 1995-01-09 | cdb7d42057bd… |
| AS4214–AS4221 | US |
assigned | 1995-01-09 | 45fe880b68a8… |
| AS4222 | US |
assigned | 1995-01-09 | 5395ad8c1f13… |
| AS4223 | US |
assigned | 1995-01-09 | ced448c25f17… |
| AS4224 | US |
assigned | 1995-01-09 | 5a671ccf5a18… |
| AS4225 | US |
assigned | 1995-01-09 | cc7542ac0018… |
| AS4227 | US |
assigned | 1995-01-09 | 15ee47000d7f… |
| AS4228 | US |
assigned | 1995-01-09 | c14000b3f1cd… |
| AS4211 | US |
assigned | 1995-01-06 | e96260a370cb… |
| AS4200 | US |
assigned | 1995-01-05 | 37fe01d6d027… |
| AS4201 | US |
assigned | 1995-01-05 | b79b611d103f… |
| AS4203 | US |
assigned | 1995-01-05 | d59ce819d413… |
| AS4204 | US |
assigned | 1995-01-05 | 6d9b7faef41e… |
| AS4206 | US |
assigned | 1995-01-05 | 7c23ea3f1dac… |
| AS4207 | US |
assigned | 1995-01-05 | fab76f503912… |
| AS4208 | US |
assigned | 1995-01-05 | 87eb587d5575… |
| AS4210 | US |
assigned | 1995-01-05 | 728ef2356848… |
| AS4179 | US |
assigned | 1994-12-16 | e150c701b54a… |
| AS4180 | US |
assigned | 1994-12-16 | 12d15c84513f… |
| AS4181 | US |
assigned | 1994-12-16 | 1a884b3335cc… |
| AS4182 | US |
assigned | 1994-12-16 | e166feb36485… |
| AS4184 | US |
assigned | 1994-12-16 | ace55d4dc090… |
| AS4185 | US |
assigned | 1994-12-16 | 81e05477cc28… |
| AS4186 | US |
assigned | 1994-12-16 | 81e05477cc28… |
| AS4187 | US |
assigned | 1994-12-16 | 67e022c7e616… |
| AS4188 | US |
assigned | 1994-12-16 | 01cf722d2087… |
| AS4190 | US |
assigned | 1994-12-16 | 14ebd7b9cab9… |
| AS4191 | US |
assigned | 1994-12-16 | ace55d4dc090… |
| AS4192 | US |
assigned | 1994-12-16 | ace55d4dc090… |
| AS4193 | US |
assigned | 1994-12-16 | 6c3a5c41d456… |
| AS4194 | US |
assigned | 1994-12-16 | b939e07c2680… |
| AS4195 | US |
assigned | 1994-12-16 | 728ef2356848… |
| AS4196 | US |
assigned | 1994-12-16 | dd02f9b1a9de… |
| AS4198 | US |
assigned | 1994-12-16 | b80cb2d0da52… |
| AS4149 | US |
assigned | 1994-12-15 | c038a8de6b3d… |
| AS4150 | US |
assigned | 1994-12-15 | c9cc5841b3c3… |
| AS4151–AS4157 | US |
assigned | 1994-12-15 | 608d3b7deb11… |
| AS4159 | US |
assigned | 1994-12-15 | 3c222e7bf739… |
| AS4160 | US |
assigned | 1994-12-15 | 33f268b529e8… |
| AS4161–AS4164 | US |
assigned | 1994-12-15 | bdf44844ab2d… |
| AS4165 | US |
assigned | 1994-12-15 | 45fe880b68a8… |
| AS4168 | US |
assigned | 1994-12-15 | 0c7233d2ce0b… |
| AS4169 | US |
assigned | 1994-12-15 | 62063c5a96d6… |
| AS4170 | US |
assigned | 1994-12-15 | 45fe880b68a8… |
| AS4171 | US |
assigned | 1994-12-15 | 2f35c1a6879f… |
| AS4172 | US |
assigned | 1994-12-15 | 17b577e293cc… |
| AS4173 | US |
assigned | 1994-12-15 | 57b5d8d0cd33… |
| AS4176 | US |
assigned | 1994-12-15 | 9c15be9cbb8d… |
| AS4177 | US |
assigned | 1994-12-15 | 3857b97ee294… |
| AS4146 | US |
assigned | 1994-12-09 | 84bc701cde05… |
| AS4147 | US |
assigned | 1994-12-09 | a181bfc17354… |
| AS4137 | US |
assigned | 1994-12-02 | c152e58979f7… |
| AS4139 | US |
assigned | 1994-12-02 | 3abb5648ddd4… |
| AS4140 | US |
assigned | 1994-12-02 | 7ea7f930e290… |
| AS4143 |  CA |
assigned | 1994-12-02 | 6635f80cc85f… |
| AS4144 | US |
assigned | 1994-12-02 | a656bd422a42… |
| AS4145 | US |
assigned | 1994-12-02 | 36029c89428b… |
| AS4065–AS4125 | US |
assigned | 1994-12-01 | c096bf755fee… |
| AS4126 | US |
assigned | 1994-12-01 | e66695ca130e… |
| AS4127 | US |
assigned | 1994-12-01 | ce4b229ab38a… |
| AS4129 | US |
assigned | 1994-12-01 | 46c668bf82cf… |