| Date | IP Address |
| 2019-06-01 | 23.4.113.191 (ClassC) |
| 2025-08-04 | 23.6.102.30 (ClassC) |
| 2025-09-30 | 23.198.161.145 (ClassC) |
| 2025-12-05 | 184.25.189.204 (ClassC) |
| Date | Domain | IP |
| bridge.rudc.esteeonline.com | 2024-12-26 | 95.101.163.198 |
| test.bridge.rudc.esteeonline.com | 2025-05-14 | 23.6.102.30 |
| dev.bridge.rudc.esteeonline.com | 2024-07-19 | 95.101.163.198 |
| api.rudc.esteeonline.com | 2024-09-17 | 95.101.163.198 |
| test.api.rudc.esteeonline.com | 2024-10-01 | 23.195.230.93 |
| dev.api.rudc.esteeonline.com | 2024-08-28 | 23.198.161.145 |
| portal.rudc.esteeonline.com | 2024-12-26 | 95.101.163.198 |
| test.portal.rudc.esteeonline.com | 2024-07-13 | 95.101.163.198 |
| dev.portal.rudc.esteeonline.com | 2025-07-30 | 23.6.102.30 |
| accounts.rudc.esteeonline.com | 2025-05-14 | 23.6.102.30 |
| test.accounts.rudc.esteeonline.com | 2025-01-19 | 95.101.163.198 |
| dev.accounts.rudc.esteeonline.com | 2024-09-13 | 23.195.230.93 |
| legacy.rudc.esteeonline.com | 2024-09-19 | 184.25.190.83 |
| test.legacy.rudc.esteeonline.com | 2025-08-04 | 23.6.102.30 |
| dev.legacy.rudc.esteeonline.com | 2024-12-26 | 95.101.163.198 |