| Date | IP Address |
| 2018-10-26 | 52.84.141.80 (ClassC) |
| 2018-10-26 | 52.84.141.150 (ClassC) |
| 2018-10-26 | 52.84.141.176 (ClassC) |
| 2018-10-26 | 52.84.141.39 (ClassC) |
| 2020-08-30 | 52.84.129.123 (ClassC) |
| 2020-08-30 | 52.84.129.30 (ClassC) |
| 2021-08-02 | 52.84.145.11 (ClassC) |
| 2021-08-02 | 52.84.145.81 (ClassC) |
| 2025-01-26 | 3.165.160.15 (ClassC) |
| 2025-07-05 | 99.84.66.89 (ClassC) |
| 2025-07-28 | 99.84.66.82 (ClassC) |
| 2025-08-12 | 99.84.66.36 (ClassC) |
| 2025-09-21 | 99.84.66.121 (ClassC) |
| 2026-01-20 | 3.175.34.26 (ClassC) |
| 2026-01-31 | 18.161.6.92 (ClassC) |
| Date | Domain | IP |
| authstaging2.closesimple.com | 2025-01-26 | 3.165.160.15 |
| static.closesimple.com | 2025-08-13 | 3.163.24.84 |
| resultstimeline.closesimple.com | 2024-04-22 | 204.246.191.128 |
| auth.closesimple.com | 2024-07-30 | 18.161.6.103 |
| adminui.support.manual.closesimple.com | 2025-02-20 | 3.163.165.52 |
| authstaging2.admin.closesimple.com | 2024-07-30 | 99.84.66.116 |
| auth.admin.closesimple.com | 2024-06-30 | 3.163.24.16 |
| authdev.admin.closesimple.com | 2024-09-25 | 204.246.191.69 |
| staging2.diagnostics.closesimple.com | 2025-02-26 | 18.161.6.52 |
| dev.diagnostics.closesimple.com | 2024-02-19 | 99.84.66.92 |
| errors.closesimple.com | 2025-02-04 | 204.246.191.99 |
| prod.errors.closesimple.com | 2025-02-04 | 18.65.229.100 |
| dev.errors.closesimple.com | 2026-01-21 | 3.175.34.85 |
| authdev.closesimple.com | 2024-09-17 | 204.246.191.9 |
| security.closesimple.com | 2025-11-21 | 104.18.26.175 |