| Date | IP Address |
| 2023-08-26 | 13.112.44.83 (ClassC) |
| 2023-09-16 | 52.197.221.112 (ClassC) |
| 2023-10-25 | 35.76.85.173 (ClassC) |
| 2024-01-11 | 54.64.33.78 (ClassC) |
| 2024-02-08 | 52.193.9.201 (ClassC) |
| 2024-03-09 | 35.75.195.5 (ClassC) |
| 2024-03-25 | 52.199.166.195 (ClassC) |
| 2024-04-10 | 35.79.75.112 (ClassC) |
| 2024-04-17 | 57.180.117.49 (ClassC) |
| 2024-05-01 | 13.112.190.2 (ClassC) |
| 2024-05-13 | 3.114.135.50 (ClassC) |
| 2024-05-25 | 54.249.20.226 (ClassC) |
| 2024-06-01 | 18.179.214.129 (ClassC) |
| 2024-06-06 | 13.230.91.174 (ClassC) |
| 2024-06-13 | 52.196.18.225 (ClassC) |
| 2024-06-30 | 52.196.115.232 (ClassC) |
| 2024-08-06 | 35.72.78.206 (ClassC) |
| 2024-08-21 | 54.150.192.229 (ClassC) |
| 2024-09-09 | 35.79.108.39 (ClassC) |
| 2024-09-12 | 52.197.108.223 (ClassC) |
| 2024-10-13 | 54.92.48.217 (ClassC) |
| 2024-10-20 | 35.75.75.196 (ClassC) |
| 2024-11-17 | 35.72.129.170 (ClassC) |
| 2024-11-24 | 52.198.134.62 (ClassC) |
| 2025-01-02 | 35.75.218.52 (ClassC) |
| 2025-01-10 | 13.114.90.249 (ClassC) |
| Date | Domain | IP |
| biz-dev-2019renewal.teachme.jp | 2024-09-08 | 204.246.191.53 |
| biz.teachme.jp | 2023-12-18 | 13.224.14.128 |