| Date | IP Address |
| 2019-08-23 | 3.212.69.118 (ClassC) |
| 2019-09-22 | 54.82.135.177 (ClassC) |
| 2020-01-06 | 34.197.198.119 (ClassC) |
| 2020-01-21 | 52.3.193.175 (ClassC) |
| 2020-04-21 | 18.206.31.180 (ClassC) |
| 2021-08-14 | 3.213.68.231 (ClassC) |
| 2023-03-15 | 54.81.58.16 (ClassC) |
| 2023-09-06 | 52.4.80.113 (ClassC) |
| 2024-03-10 | 3.208.108.208 (ClassC) |
| 2024-03-14 | 3.224.65.104 (ClassC) |
| 2024-07-20 | 3.224.169.165 (ClassC) |
| 2024-07-30 | 18.232.207.255 (ClassC) |
| 2024-11-25 | 44.193.129.248 (ClassC) |
| 2025-03-19 | 34.196.61.17 (ClassC) |
| 2025-04-17 | 52.72.182.44 (ClassC) |
| 2025-04-30 | 54.160.215.78 (ClassC) |
| 2025-05-16 | 34.231.124.180 (ClassC) |
| 2025-08-04 | 44.196.12.172 (ClassC) |
| Date | Domain | IP |
| office.ics.edu.sg | 2025-03-20 | 172.67.213.170 |
| enroll.ics.edu.sg | 2025-03-21 | 3.163.165.110 |
| topup.ics.edu.sg | 2025-03-20 | 61.16.123.118 |
| www.ics.edu.sg | 2025-05-22 | 104.21.16.154 |
| schoology.ics.edu.sg | 2024-03-10 | 3.208.108.208 |