| Date | IP Address |
| 2017-11-30 | 13.32.66.176 (ClassC) |
| 2019-11-19 | 54.192.50.184 (ClassC) |
| 2019-11-19 | 54.192.50.145 (ClassC) |
| 2024-05-31 | 199.60.103.2 (ClassC) |
| 2024-12-28 | 199.60.103.254 (ClassC) |
| Date | Domain | IP |
| learn.universal-manners.jp | 2024-05-13 | 54.65.205.230 |
| www.universal-manners.jp | 2024-05-31 | 199.60.103.2 |