| Date | IP Address |
| 2019-06-01 | 23.4.113.191 (ClassC) |
| 2025-08-06 | 23.6.102.30 (ClassC) |
| 2025-10-01 | 23.198.161.145 (ClassC) |
| 2025-12-05 | 23.195.230.99 (ClassC) |
| Date | Domain | IP |
| bridge.cntel.esteeonline.com | 2025-05-22 | 95.101.163.198 |
| test.bridge.cntel.esteeonline.com | 2025-01-03 | 95.101.163.198 |
| dev.bridge.cntel.esteeonline.com | 2024-10-13 | 23.195.230.93 |
| api.cntel.esteeonline.com | 2024-12-26 | 95.101.163.198 |
| test.api.cntel.esteeonline.com | 2025-01-18 | 95.101.163.198 |
| dev.api.cntel.esteeonline.com | 2024-03-03 | 95.101.163.198 |
| portal.cntel.esteeonline.com | 2024-09-22 | 23.198.161.145 |
| test.portal.cntel.esteeonline.com | 2025-01-20 | 95.101.163.198 |
| dev.portal.cntel.esteeonline.com | 2024-12-26 | 95.101.163.198 |
| accounts.cntel.esteeonline.com | 2024-08-09 | 184.51.68.98 |
| test.accounts.cntel.esteeonline.com | 2025-04-29 | 95.101.163.198 |
| dev.accounts.cntel.esteeonline.com | 2025-08-06 | 23.6.102.30 |
| legacy.cntel.esteeonline.com | 2025-01-18 | 95.101.163.198 |
| test.legacy.cntel.esteeonline.com | 2025-01-03 | 95.101.163.198 |
| dev.legacy.cntel.esteeonline.com | 2024-11-25 | 95.101.163.198 |