| Date | IP Address |
| 2018-03-09 | 52.86.22.92 (ClassC) |
| 2021-02-10 | 95.101.20.169 (ClassC) |
| 2024-07-31 | 23.55.168.209 (ClassC) |
| 2024-10-02 | 23.213.175.136 (ClassC) |
| 2024-10-17 | 104.98.118.176 (ClassC) |
| 2024-12-24 | 23.213.34.144 (ClassC) |
| 2025-01-09 | 23.46.228.102 (ClassC) |
| 2025-01-24 | 23.215.176.129 (ClassC) |
| 2025-02-23 | 23.216.145.132 (ClassC) |
| 2025-04-10 | 23.34.172.64 (ClassC) |
| 2025-08-06 | 104.96.203.40 (ClassC) |
| Date | Domain | IP |
| preview2.opb.org | 2024-07-19 | 23.213.175.59 |
| www2.opb.org | 2024-07-31 | 23.55.168.209 |
| pressroom.opb.org | 2024-07-13 | 23.55.168.209 |
| education.opb.org | 2024-07-26 | 23.55.168.41 |
| shop.opb.org | 2024-12-24 | 23.213.34.162 |
| news.opb.org | 2024-12-24 | 23.32.75.40 |
| www.opb.org | 2024-04-10 | 23.192.230.7 |