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
1,644,924,416
📦
IPv4 networks
76,763
delegated blocks
🧭
IPv6 networks
11,451
delegated blocks
🔗
Autonomous systems
34,128
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2620:10b:4000::/40 |  US |
allocated | 2012-03-07 | 788b3225e94d… |
| 2620:10b:5000::/44 | US |
allocated | 2012-03-07 | feaca1e2650f… |
| 2620:d0:8000::/48 | US |
allocated | 2012-03-06 | 0555c9ccec3f… |
| 2001:504:25::/48 |  CA |
allocated | 2012-03-02 | 84344661f626… |
| 2607:1300::/32 | US |
allocated | 2012-03-02 | b1da36e418e3… |
| 2607:1500::/32 | US |
allocated | 2012-03-02 | 86655175ff50… |
| 2620:10b:2000::/44 | US |
allocated | 2012-03-02 | e08b80753b8b… |
| 2607:1100::/32 | US |
allocated | 2012-03-01 | 594f2c468787… |
| 2607:d00::/32 | US |
allocated | 2012-02-29 | f9289e93d9bf… |
| 2607:f00::/32 |  PR |
allocated | 2012-02-29 | 3043dcb76428… |
| 2620:10b:3000::/40 | CA |
allocated | 2012-02-29 | 3a1b6bfc2145… |
| 2607:b00::/32 | US |
allocated | 2012-02-28 | 930e0ad82306… |
| 2620:10b:1000::/40 | US |
allocated | 2012-02-28 | acf5cccbf425… |
| 2607:500::/32 | US |
allocated | 2012-02-27 | 4118e5026bb3… |
| 2607:700::/32 | US |
allocated | 2012-02-27 | c1cc92c83435… |
| 2607:900::/32 | US |
allocated | 2012-02-27 | 3d1264ed2102… |
| 2620:ce:8000::/48 | US |
allocated | 2012-02-27 | 949e1965ee1d… |
| 2620:10b::/44 | US |
allocated | 2012-02-27 | 596e10ee4510… |
| 2620:cd:8000::/48 | US |
allocated | 2012-02-24 | 28598ccafbcf… |
| 2620:cc:8000::/48 | US |
allocated | 2012-02-23 | 72786cf06d1c… |
| 2607:100::/32 | CA |
allocated | 2012-02-22 | fbf5a5883b54… |
| 2607:300::/32 |  BS |
allocated | 2012-02-22 | 81fb8777d0d0… |
| 2606:ff00::/32 | US |
allocated | 2012-02-21 | 4cad11d18482… |
| 2620:cb:8000::/48 | US |
allocated | 2012-02-21 | 5ef8b790369d… |
| 2606:fd00::/32 | US |
allocated | 2012-02-17 | 65bf32d2bf46… |
| 2620:ca:8000::/48 | US |
allocated | 2012-02-17 | bf636d3eccfb… |
| 2604:b400::/32 | US |
allocated | 2012-02-16 | 0f3361e2d6ff… |
| 2620:c9:8000::/48 | US |
allocated | 2012-02-16 | ee50a993a3d0… |
| 2620:10a:f000::/40 | US |
allocated | 2012-02-16 | a4578f564eca… |
| 2620:10a:e000::/40 | US |
allocated | 2012-02-15 | a5fdea6ded19… |
| 2001:504:24::/48 | US |
allocated | 2012-02-14 | 14bfb91b3b8c… |
| 2606:f700::/32 | CA |
allocated | 2012-02-13 | 0e702695cc8d… |
| 2606:f900::/32 | CA |
allocated | 2012-02-13 | 0042cdeb1e05… |
| 2620:c7:8000::/48 | US |
allocated | 2012-02-13 | 864668578e43… |
| 2606:f500::/32 | US |
allocated | 2012-02-10 | a9daa5a0cf5e… |
| 2620:10a:d000::/44 | US |
allocated | 2012-02-10 | 666c4ec19c60… |
| 2620:c6:8000::/48 | US |
allocated | 2012-02-07 | bb703fbab92f… |
| 2606:eb00::/32 | CA |
allocated | 2012-02-06 | 7de51f8320f6… |
| 2606:ed00::/32 | US |
allocated | 2012-02-06 | 0a947ac66514… |
| 2606:ef00::/32 | US |
allocated | 2012-02-06 | 4d1fe268ea42… |
| 2606:f100::/32 | US |
allocated | 2012-02-06 | 621b25d1f0bd… |
| 2606:f300::/32 | US |
allocated | 2012-02-06 | 9837eb03cd74… |
| 2620:75:8000::/48 | US |
allocated | 2012-02-06 | 3d036790b4b8… |
| 2620:10a:b000::/40 | US |
allocated | 2012-02-06 | 8eb2ebb54786… |
| 2620:10a:a000::/40 | US |
allocated | 2012-02-02 | a8e1a59030d0… |
| 2606:e700::/32 | US |
allocated | 2012-02-01 | c30fddf3b651… |
| 2606:e900::/32 | US |
allocated | 2012-02-01 | 97c4e0ca0d92… |
| 2606:e500::/32 | US |
allocated | 2012-01-31 | 3349c2de4cec… |
| 2620:1d0::/32 | US |
allocated | 2012-01-31 | b38f9b23fd4a… |
| 2606:e300::/32 | US |
allocated | 2012-01-30 | adc8b004b305… |
| 2620:10a:9000::/40 | US |
allocated | 2012-01-30 | 8d9f45298f0d… |
| 2620:10a:8000::/40 | CA |
allocated | 2012-01-27 | 35f9cd31e8d9… |
| 2606:dd00::/36 | US |
allocated | 2012-01-26 | 6c986ec8eda0… |
| 2606:df00::/32 | US |
allocated | 2012-01-26 | 4513d0cc9e65… |
| 2606:e100::/32 | US |
allocated | 2012-01-26 | 392d51867426… |
| 2620:c3:8000::/48 | US |
allocated | 2012-01-26 | c69fd7548267… |
| 2620:37:8000::/48 | US |
allocated | 2012-01-24 | a8fc6a5f8a36… |
| 2606:db00::/32 | US |
allocated | 2012-01-23 | c7434cae7cf7… |
| 2620:10a:6000::/44 | US |
allocated | 2012-01-23 | b979a6d93988… |
| 2620:10a:4000::/40 | US |
allocated | 2012-01-20 | a89d60cf5e19… |
| 2620:10a:5000::/40 | US |
allocated | 2012-01-20 | 3c94a231624b… |
| 2606:d100::/32 | US |
allocated | 2012-01-19 | 4f1fcf80c075… |
| 2606:d300::/36 | US |
allocated | 2012-01-19 | aaa689240650… |
| 2620:10a:2000::/44 | US |
allocated | 2012-01-19 | 6dadde0ef066… |
| 2620:10a:3000::/40 | US |
allocated | 2012-01-19 | 9d4d3b945b27… |
| 2606:cf00::/32 | US |
allocated | 2012-01-18 | bc09e8d171a3… |
| 2620:c1:8000::/48 | US |
allocated | 2012-01-18 | dffd64bc5762… |
| 2620:109:f000::/44 | US |
allocated | 2012-01-18 | cf6ff6a4e4a0… |
| 2620:10a::/44 | US |
allocated | 2012-01-18 | 2f49654cc159… |
| 2620:10a:1000::/44 | US |
allocated | 2012-01-18 | 7f65561670d8… |
| 2606:cd00::/32 | US |
allocated | 2012-01-17 | 4b736cd2bf13… |
| 2600:b00::/28 | US |
allocated | 2012-01-13 | cef176fd8d8e… |
| 2606:c900::/32 | US |
allocated | 2012-01-13 | a29a8804e426… |
| 2606:cb00::/32 | US |
allocated | 2012-01-13 | 518993ea80aa… |
| 2620:109:d000::/44 | US |
allocated | 2012-01-13 | 125abb935ebb… |
| 2620:109:e000::/40 | US |
allocated | 2012-01-13 | 0eb3b4fe8bc2… |
| 2606:c700::/32 | US |
allocated | 2012-01-12 | 80aea3068510… |
| 2620:109:b000::/44 | US |
allocated | 2012-01-12 | 4c46774eb214… |
| 2620:109:c000::/44 | US |
allocated | 2012-01-12 | 2ada91a04f8e… |
| 2620:109:a000::/44 | US |
allocated | 2012-01-11 | 3b77b46dd768… |
| 2606:c300::/32 | US |
allocated | 2012-01-10 | ba1c960c15a5… |
| 2620:c0:8000::/48 | US |
allocated | 2012-01-10 | 2502c08b2bf2… |
| 2606:bf00::/32 | US |
allocated | 2012-01-09 | c83fc4435ab5… |
| 2606:c100::/32 | US |
allocated | 2012-01-09 | 910a26894415… |
| 2620:109:9000::/40 | US |
allocated | 2012-01-06 | 1eb4a2f9bd72… |
| 2606:bb00::/32 | US |
allocated | 2012-01-04 | dca2ce6acaa2… |
| 2620:109:7000::/40 | US |
allocated | 2011-12-30 | 698193a9b471… |
| 2606:b300::/32 | US |
allocated | 2011-12-28 | f3cb8e58b641… |
| 2606:b500::/32 | US |
allocated | 2011-12-28 | b41c1949bef0… |
| 2606:b900::/32 | US |
allocated | 2011-12-28 | 3b2a3ffff8d3… |
| 2606:ad00::/32 | US |
allocated | 2011-12-27 | b261c849e4ab… |
| 2606:af00::/32 | CA |
allocated | 2011-12-27 | 49c314bb2f6f… |
| 2606:b100::/32 | US |
allocated | 2011-12-27 | efbe77049ad2… |
| 2620:36::/48 | US |
allocated | 2011-12-27 | f4cbbdc36086… |
| 2620:bf:8000::/48 | US |
allocated | 2011-12-27 | 4461031532c9… |
| 2606:a500::/32 | US |
allocated | 2011-12-22 | 43626d2f856a… |
| 2606:a700::/32 | US |
allocated | 2011-12-22 | 6e048190eb9a… |
| 2606:a900::/32 | US |
allocated | 2011-12-22 | d3f7999eda1e… |
| 2606:ab00::/32 | US |
allocated | 2011-12-22 | 94b3a580fe88… |
| 2620:be:8000::/48 | US |
allocated | 2011-12-22 | e792c9d83c69… |