| Property | Value |
| Name | OPT Inc. |
| Organization | OPT Inc. |
| adp-dev@cg.opt.ne.jp | |
| Zip Code | 102-0081 |
| Phone | 03-5745-3586 |
| Fax | 03-5745-3605 |
| NameServer | ns2.dns53.jp |
| Created | 2007-05-08 00:00:00 |
| Changed | 2016-05-31 16:05:12 |
| Expires | 2017-05-31 00:00:00 |
| Date | IP Address |
| 2013-07-20 | 14.128.3.22 (ClassC) |
| 2014-11-18 | 180.148.171.46 (ClassC) |
| 2014-11-18 | 180.148.171.24 (ClassC) |
| 2025-05-26 | 35.213.56.139 (ClassC) |
| 2025-10-18 | 172.67.152.183 (ClassC) |
| 2026-01-18 | 104.21.80.180 (ClassC) |
| Date | Domain | IP |
| v6.advg.jp | 2025-12-14 | 172.67.152.183 |
| o.advg.jp | 2019-01-03 | 115.30.28.44 |
| ds.advg.jp | 2025-05-24 | 35.213.125.107 |
| dex.advg.jp | 2025-12-28 | 172.67.152.183 |