| Date | IP Address |
| 2025-01-20 | 52.96.166.152 (ClassC) |
| 2025-02-10 | 52.96.113.200 (ClassC) |
| 2025-02-15 | 52.96.164.88 (ClassC) |
| 2025-02-18 | 52.96.113.248 (ClassC) |
| 2025-02-24 | 52.96.228.248 (ClassC) |
| 2025-03-19 | 52.96.184.152 (ClassC) |
| 2025-04-20 | 52.96.181.88 (ClassC) |
| 2025-12-15 | 52.96.165.24 (ClassC) |
| Date | Domain | IP |
| mail.heatec.com.sg | 2025-05-23 | 119.73.223.136 |
| autodiscover.heatec.com.sg | 2025-01-20 | 52.96.166.152 |