| Date | IP Address |
| 2025-01-13 | 121.83.250.202 (ClassC) |
| Date | Domain |
| unioncorp.co.jp | 2016-07-16 |
| ohp-dent-tks.jp | 2016-09-26 |
| toba-omiyage.com | 2016-09-26 |
| zspc-s.com | 2016-09-28 |
| oyado-tanaka.jp | 2016-10-02 |
| markingman.com | 2016-10-03 |
| imaman.net | 2016-10-04 |
| mikakus.jp | 2021-02-24 |
| Date | Domain | IP |
| ns1.oftech.co.jp | 2023-08-18 | 121.83.250.201 |
| ns2.oftech.co.jp | 2025-01-13 | 121.83.250.202 |
| www.oftech.co.jp | 2024-11-27 | 121.83.250.220 |