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 |
|---|---|---|---|---|
| AS4048 |  US |
assigned | 1994-11-17 | cdb7d42057bd… |
| AS4018 | US |
assigned | 1994-11-15 | b257132a304a… |
| AS4006 | US |
assigned | 1994-11-10 | 37fe01d6d027… |
| AS4008 | US |
assigned | 1994-11-10 | 7c53204c4b51… |
| AS4009 | US |
assigned | 1994-11-10 | 5bdcc076802a… |
| AS4010 | US |
assigned | 1994-11-10 | c096bf755fee… |
| AS4011 | US |
assigned | 1994-11-10 | c096bf755fee… |
| AS4012 | US |
assigned | 1994-11-10 | 4b20c420cd0d… |
| AS4013 | US |
assigned | 1994-11-10 | 9934f4400e05… |
| AS4014 | US |
assigned | 1994-11-10 | a495b9986390… |
| AS4015 | US |
assigned | 1994-11-10 | cdb7d42057bd… |
| AS4016 | US |
assigned | 1994-11-10 | 9f3d57ae9d09… |
| AS3974 |  CA |
assigned | 1994-11-04 | f859ee9ca1e4… |
| AS3975 | US |
assigned | 1994-11-04 | 79297ca2495a… |
| AS3977–AS3992 | US |
assigned | 1994-11-04 | 209c74756736… |
| AS3993 | CA |
assigned | 1994-11-04 | d6dff3a6c1cc… |
| AS3994 | US |
assigned | 1994-11-04 | 5bdcc076802a… |
| AS3995 | US |
assigned | 1994-11-04 | c694137c131c… |
| AS3996 | US |
assigned | 1994-11-04 | 260b740e4b78… |
| AS3997 | US |
assigned | 1994-11-04 | 3accdfc9b158… |
| AS3998 | US |
assigned | 1994-11-04 | 859214628431… |
| AS3999 | US |
assigned | 1994-11-04 | 702a0a91e242… |
| AS4000–AS4005 | US |
assigned | 1994-11-04 | 37fe01d6d027… |
| AS3963 | US |
assigned | 1994-10-27 | e220ed812a4c… |
| AS3964 | US |
assigned | 1994-10-27 | e220ed812a4c… |
| AS3965 | US |
assigned | 1994-10-27 | e220ed812a4c… |
| AS3966 | US |
assigned | 1994-10-27 | e220ed812a4c… |
| AS3971 | US |
assigned | 1994-10-27 | 3c2c9047eeff… |
| AS3972 | US |
assigned | 1994-10-27 | 3a185db57259… |
| AS3973 | US |
assigned | 1994-10-27 | 3a185db57259… |
| AS3960 | US |
assigned | 1994-10-24 | a7d3c42fc89d… |
| AS3961 | US |
assigned | 1994-10-24 | 5dcf115884c2… |
| AS3932 | US |
assigned | 1994-10-21 | 2190cf21b4ca… |
| AS3950 | US |
assigned | 1994-10-21 | b0f8a7053465… |
| AS3952 | US |
assigned | 1994-10-21 | ec243b36fc4f… |
| AS3953 | US |
assigned | 1994-10-21 | 93597379a963… |
| AS3954 | US |
assigned | 1994-10-21 | 45fe880b68a8… |
| AS3955 | US |
assigned | 1994-10-21 | 4b981b3209a8… |
| AS3956 | US |
assigned | 1994-10-21 | 6f8a266039de… |
| AS3957 | US |
assigned | 1994-10-21 | 1261f71cb3b8… |
| AS3958 | CA |
assigned | 1994-10-21 | ded9f3879254… |
| AS3959 | US |
assigned | 1994-10-21 | 8ec20e07d873… |
| AS3931 | US |
assigned | 1994-10-20 | 212ca1c9a75a… |
| AS3930 | US |
assigned | 1994-10-18 | ea3eaf028514… |
| AS3919 | US |
assigned | 1994-10-12 | 687269497a99… |
| AS3921 | US |
assigned | 1994-10-12 | 78fc833c0b8b… |
| AS3922 | US |
assigned | 1994-10-12 | 535d44b441d5… |
| AS3923 | US |
assigned | 1994-10-12 | e2c3f5fa034c… |
| AS3924 | US |
assigned | 1994-10-12 | 5f6edfc2a73d… |
| AS3925 | US |
assigned | 1994-10-12 | de34ae7b252b… |
| AS3926 | US |
assigned | 1994-10-12 | d05aac7d31f3… |
| AS3928 | US |
assigned | 1994-10-12 | 2b7c33fe650e… |
| AS3906 | US |
assigned | 1994-10-07 | f71fb2333815… |
| AS3907 | US |
assigned | 1994-10-07 | 5d7d436130bf… |
| AS3913 | US |
assigned | 1994-10-07 | d756d4b9399a… |
| AS3916 | US |
assigned | 1994-10-07 | 605c83abd6d8… |
| AS3901 | US |
assigned | 1994-10-04 | 8070a0f549b7… |
| AS3902 | US |
assigned | 1994-10-04 | 501eb4ea8218… |
| AS3903 | US |
assigned | 1994-10-04 | 93da5ab3dbf5… |
| AS3904 | US |
assigned | 1994-10-04 | 667493fa6c6c… |
| AS3859–AS3897 | US |
assigned | 1994-09-30 | c096bf755fee… |
| AS3898 | US |
assigned | 1994-09-30 | b3a1d663703a… |
| AS3899 | US |
assigned | 1994-09-30 | 8052f365a9a6… |
| AS3857 | US |
assigned | 1994-09-27 | 6ec3e97179ab… |
| AS3858 | US |
assigned | 1994-09-27 | ebfd727361e5… |
| AS3848 | CA |
assigned | 1994-09-26 | 1b7a48b32f5f… |
| AS3849 | US |
assigned | 1994-09-26 | c4be4eee2673… |
| AS3851 | US |
assigned | 1994-09-26 | 3e1231fe0f3c… |
| AS3853 | US |
assigned | 1994-09-26 | 47460f74e05f… |
| AS3854 | US |
assigned | 1994-09-26 | 237e077d936c… |
| AS3855 |  BM |
assigned | 1994-09-26 | d6bf0b71ba4d… |
| AS3856 | US |
assigned | 1994-09-26 | 013078316024… |
| AS3831 | US |
assigned | 1994-09-21 | e5e3b9c13678… |
| AS3832 | US |
assigned | 1994-09-21 | ee8fb5459f9b… |
| AS3833 | US |
assigned | 1994-09-21 | 0b9809a4ff86… |
| AS3834 | US |
assigned | 1994-09-21 | 5f897d70c11a… |
| AS3835 | US |
assigned | 1994-09-21 | a181bfc17354… |
| AS3841 | US |
assigned | 1994-09-21 | e9d314c3aa39… |
| AS3845 | US |
assigned | 1994-09-21 | 44f0c49fa95e… |
| AS3827 | US |
assigned | 1994-09-16 | d70b4386bf12… |
| AS3828 | US |
assigned | 1994-09-16 | 9fb1d2e77120… |
| AS3829 | US |
assigned | 1994-09-16 | 8a80e599b0dd… |
| AS3830 | US |
assigned | 1994-09-16 | 37fe01d6d027… |
| AS3822 | US |
assigned | 1994-09-15 | 3156a51e785e… |
| AS3823 | CA |
assigned | 1994-09-15 | 5138877f0916… |
| AS3826 | US |
assigned | 1994-09-15 | a03869d08915… |
| AS3820 | US |
assigned | 1994-09-14 | 317634350d31… |
| AS3821 | US |
assigned | 1994-09-14 | a5dfa54d50e3… |
| AS3810 | US |
assigned | 1994-09-09 | 29a203a312d3… |
| AS3811 | US |
assigned | 1994-09-09 | 943a17b6f0e5… |
| AS3814 | US |
assigned | 1994-09-09 | 4d162a24389a… |
| AS3815 | US |
assigned | 1994-09-09 | 554bdf6ef42e… |
| AS3817 | US |
assigned | 1994-09-09 | 6b8f0029ce30… |
| AS3818 | US |
assigned | 1994-09-09 | 313b1492b245… |
| AS3804 | CA |
assigned | 1994-09-02 | 1b7a48b32f5f… |
| AS3805 | US |
assigned | 1994-09-02 | 84f8e72fb1b7… |
| AS3806 | US |
assigned | 1994-09-02 | 31cd5099ffa8… |
| AS3807 | US |
assigned | 1994-09-02 | 5553a1969ec2… |
| AS3808 | US |
assigned | 1994-09-02 | bfaf4e70b516… |
| AS3809 | US |
assigned | 1994-09-02 | dd02f9b1a9de… |