| Date | IP Address |
| 2025-03-04 | 13.112.78.111 (ClassC) |
| 2025-05-06 | 176.34.43.85 (ClassC) |
| 2025-05-13 | 52.196.157.194 (ClassC) |
| 2025-07-29 | 18.180.134.136 (ClassC) |
| Date | Domain | IP |
| www3.keiyogas.co.jp | 2025-05-24 | 133.110.250.9 |
| www4.keiyogas.co.jp | 2025-05-26 | 150.31.244.225 |
| shizai.keiyogas.co.jp | 2025-03-05 | 35.74.178.144 |
| pas.keiyogas.co.jp | 2025-03-04 | 13.112.78.111 |
| www.keiyogas.co.jp | 2022-03-08 | 108.159.227.114 |