| Date | IP Address |
| 2025-05-09 | 103.152.243.57 (ClassC) |
| 2026-02-19 | 64.120.92.57 (ClassC) |
| Date | Domain | IP |
| webdisk.core-step.corescience.id | 2026-02-18 | 64.120.92.57 |
| autodiscover.core-step.corescience.id | 2026-02-03 | 64.120.92.57 |
| cpcalendars.core-step.corescience.id | 2026-02-03 | 64.120.92.57 |
| cpcontacts.core-step.corescience.id | 2026-02-19 | 64.120.92.57 |