| Date | IP Address |
| 2015-04-09 | 54.231.243.59 (ClassC) |
| 2015-04-09 | 54.231.242.59 (ClassC) |
| 2015-07-08 | 54.231.243.129 (ClassC) |
| 2016-04-03 | 54.231.241.133 (ClassC) |
| 2019-02-09 | 13.33.112.117 (ClassC) |
| 2019-02-09 | 13.33.112.236 (ClassC) |
| 2019-04-25 | 13.33.140.152 (ClassC) |
| 2019-08-12 | 52.84.134.215 (ClassC) |
| 2020-06-10 | 54.192.73.76 (ClassC) |
| 2020-06-10 | 54.192.73.8 (ClassC) |
| 2020-06-19 | 99.86.62.48 (ClassC) |
| 2020-07-06 | 13.227.76.125 (ClassC) |
| 2021-05-30 | 65.8.227.39 (ClassC) |
| 2024-08-24 | 18.161.6.73 (ClassC) |
| 2024-10-06 | 3.163.189.115 (ClassC) |
| 2024-12-06 | 52.84.162.79 (ClassC) |
| 2025-01-15 | 204.246.191.89 (ClassC) |
| 2025-03-03 | 204.246.191.125 (ClassC) |
| 2025-03-06 | 52.84.162.93 (ClassC) |
| 2025-03-16 | 204.246.191.119 (ClassC) |
| 2025-05-20 | 52.84.162.35 (ClassC) |
| 2025-06-16 | 204.246.191.29 (ClassC) |
| 2025-08-12 | 3.175.34.14 (ClassC) |
| 2025-09-22 | 3.169.173.51 (ClassC) |
| 2025-10-16 | 3.169.173.19 (ClassC) |
| 2026-01-24 | 104.21.47.106 (ClassC) |
| Date | Domain | IP |
| ical.yc.sg | 2025-10-25 | 67.199.248.12 |
| icalgen.yc.sg | 2023-10-13 | 52.219.124.101 |
| uobsmartdollar.yc.sg | 2024-06-12 | 52.219.129.91 |