| Date | IP Address |
| 2018-08-07 | 115.127.226.88 (ClassC) |
| 2018-08-31 | 115.127.249.83 (ClassC) |
| 2018-09-08 | 115.127.249.171 (ClassC) |
| 2018-11-23 | 115.127.249.211 (ClassC) |
| 2018-11-23 | 115.127.249.155 (ClassC) |
| 2018-12-20 | 115.127.249.187 (ClassC) |
| 2018-12-25 | 115.127.242.251 (ClassC) |
| 2019-01-22 | 115.127.249.195 (ClassC) |
| 2019-02-13 | 115.127.226.138 (ClassC) |
| 2019-02-22 | 115.127.226.17 (ClassC) |
| 2019-03-01 | 115.127.242.19 (ClassC) |
| 2019-03-15 | 115.127.234.74 (ClassC) |
| 2019-04-08 | 115.127.249.139 (ClassC) |
| 2019-10-14 | 14.0.44.211 (ClassC) |
| 2019-12-13 | 14.0.44.208 (ClassC) |
| 2020-08-25 | 14.0.41.244 (ClassC) |
| 2021-06-21 | 14.0.44.247 (ClassC) |
| 2024-02-19 | 133.144.75.137 (ClassC) |
| 2025-08-03 | 133.144.75.185 (ClassC) |
| Date | Domain | IP |
| info.eikoh-seminar.com | 2024-01-09 | 13.231.100.0 |
| www.eikoh-seminar.com | 2024-02-19 | 133.144.75.137 |