| Date | IP Address |
| 2025-03-19 | 18.139.70.88 (ClassC) |
| 2025-05-24 | 3.0.22.131 (ClassC) |
| 2025-08-29 | 3.1.238.152 (ClassC) |
| 2025-11-12 | 13.214.13.225 (ClassC) |
| 2025-12-12 | 18.138.42.93 (ClassC) |
| 2026-03-03 | 54.254.156.13 (ClassC) |
| Date | Domain | IP |
| efrontier.engie-services.com.sg | 2025-03-20 | 13.213.147.41 |
| cmms.engie-services.com.sg | 2025-03-20 | 54.251.202.27 |
| tms.engie-services.com.sg | 2025-03-20 | 52.74.166.29 |
| esubmission-dev.engie-services.com.sg | 2025-03-20 | 54.254.118.104 |
| efrontier-dev.engie-services.com.sg | 2025-03-20 | 52.74.93.0 |
| tms-dev.engie-services.com.sg | 2025-03-19 | 18.140.176.182 |
| simplicity.engie-services.com.sg | 2025-03-19 | 18.139.70.88 |