hostmaster@nic.ad.jp
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS2497 | IIJ - Internet Initiative Japan Inc., JP |  Japan |
3911680 | 17716871168 |
| AS2516 | KDDI - KDDI CORPORATION, JP | Japan |
18043648 | 2761664036864 |
| AS2518 | BIGLOBE - BIGLOBE Inc., JP | Japan |
3670016 | 38654705664 |
| AS2907 | SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP | Japan |
8883306 | 8589934592 |
| AS4777 | APNIC-COLO - Asia Pacific Network Information Centre, AU |  Australia |
512 | 1073741824 |
| AS9002 | RETN-AS - RETN Limited, GB |  United Kingdom |
43776 | 4294967296 |
| AS17676 | ULTINA - SoftBank Mobile Corp., JP | Japan |
38125824 | 18695992639488 |
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