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
1.64B
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects
Browse the ARIN registry
| AS | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 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… |
| AS4130 | US |
assigned | 1994-12-01 | 48d089d33efb… |
| AS4131 | US |
assigned | 1994-12-01 | 052411e01838… |
| AS4132 | US |
assigned | 1994-12-01 | 37fe01d6d027… |
| AS4133 | US |
assigned | 1994-12-01 | b266258cd493… |
| AS4135 | US |
assigned | 1994-12-01 | eaa8f9169f45… |
| AS4059 | US |
assigned | 1994-11-29 | 4aeec606192d… |
| AS4061 | US |
assigned | 1994-11-29 | d1dd9da58516… |
| AS4062 | US |
assigned | 1994-11-29 | a3f4773a302a… |
| AS4063 | US |
assigned | 1994-11-29 | 70adb695e5d8… |
| AS4064 | US |
assigned | 1994-11-29 | 37fe01d6d027… |
| AS1321–AS1340 | US |
assigned | 1994-11-23 | e220ed812a4c… |
| AS1381–AS1395 | US |
assigned | 1994-11-23 | e220ed812a4c… |
| AS2936–AS2937 | US |
assigned | 1994-11-23 | e64c593eb332… |
| AS4050 | US |
assigned | 1994-11-22 | 0bbb8f6042db… |
| AS4051 | US |
assigned | 1994-11-22 | 30ab1a8587db… |
| AS4053 | US |
assigned | 1994-11-22 | fa6dc0da83b7… |
| AS4054 | US |
assigned | 1994-11-22 | 4c22abad55f7… |
| AS4056 | US |
assigned | 1994-11-22 | f1f5aacec9d4… |
| AS4019 | US |
assigned | 1994-11-17 | a7b05f7b9b5b… |
| AS4020–AS4038 | US |
assigned | 1994-11-17 | bdf44844ab2d… |
| AS4041 | US |
assigned | 1994-11-17 | 38b1750494be… |
| AS4042 | US |
assigned | 1994-11-17 | 911c6bb3d36c… |
| AS4043 | US |
assigned | 1994-11-17 | 6e5379280e5c… |
| AS4044 | US |
assigned | 1994-11-17 | c293f90ba74f… |
| AS4045 | US |
assigned | 1994-11-17 | c34b50e11190… |
| AS4046 | US |
assigned | 1994-11-17 | e2c3f5fa034c… |
| AS4047 | US |
assigned | 1994-11-17 | dbeee322f8c8… |