| Date | IP Address |
| 2017-03-08 | 151.101.192.133 (ClassC) |
| 2017-04-11 | 151.101.0.133 (ClassC) |
| 2017-08-11 | 151.101.1.147 (ClassC) |
| 2018-03-21 | 151.101.185.147 (ClassC) |
| 2018-04-15 | 151.101.45.147 (ClassC) |
| 2025-01-15 | 185.199.110.153 (ClassC) |
| 2025-04-16 | 185.199.108.153 (ClassC) |
| 2025-08-23 | 185.199.111.153 (ClassC) |
| 2026-01-29 | 185.199.109.153 (ClassC) |
| Date | Domain | IP |
| ce.pdn.ac.lk | 2025-07-31 | 192.248.40.28 |
| aces.ce.pdn.ac.lk | 2025-01-15 | 185.199.110.153 |
| www.pdn.ac.lk | 2025-05-17 | 192.248.40.36 |