| Date | IP Address |
| 2022-11-24 | 52.218.121.20 (ClassC) |
| 2024-01-13 | 52.92.17.228 (ClassC) |
| 2024-04-20 | 52.218.40.196 (ClassC) |
| 2024-09-03 | 52.218.0.172 (ClassC) |
| 2024-12-11 | 52.218.61.92 (ClassC) |
| 2025-01-16 | 52.92.32.100 (ClassC) |
| 2025-03-06 | 52.218.97.252 (ClassC) |
| 2025-03-13 | 52.218.45.220 (ClassC) |
| 2025-03-24 | 52.218.41.76 (ClassC) |
| 2025-04-04 | 52.92.1.188 (ClassC) |
| 2025-06-14 | 3.5.64.162 (ClassC) |
| 2025-07-20 | 3.5.68.34 (ClassC) |
| 2025-07-26 | 3.5.65.177 (ClassC) |
| 2025-08-28 | 3.5.67.207 (ClassC) |
| Date | Domain | IP |
| beta.iop.org | 2025-04-17 | 172.67.132.83 |
| cdn.images.poc.cld.iop.org | 2025-01-20 | 204.246.191.64 |
| prod.iop.org | 2025-07-21 | 172.67.132.83 |
| iopscience.iop.org | 2024-08-04 | 141.226.253.39 |
| new.iopscience.iop.org | 2025-05-02 | 99.84.66.105 |
| myiopscience.iop.org | 2024-12-29 | 18.238.238.30 |
| dev.myiopscience.iop.org | 2024-02-17 | 18.161.6.76 |
| blog.iop.org | 2024-01-13 | 52.92.17.228 |
| staging.seedash.iop.org | 2024-09-03 | 204.246.191.31 |
| spark.iop.org | 2023-07-19 | 172.67.26.94 |
| test.securelogin.iop.org | 2024-04-08 | 52.17.198.23 |
| s1notification.iop.org | 2025-02-07 | 204.246.191.44 |
| membership.iop.org | 2025-07-19 | 104.21.4.179 |
| biologicalphysics.iop.org | 2025-03-20 | 3.163.24.43 |
| cdn.images.iop.org | 2024-08-27 | 99.84.66.122 |
| stacks.iop.org | 2025-03-07 | 18.238.217.41 |
| comms.iop.org | 2024-06-24 | 3.163.24.103 |
| applications.iop.org | 2025-04-15 | 104.21.4.179 |