| Property | Value |
| operations@issuu.com |
| Date | IP Address |
| 2017-05-29 | 52.84.56.214 (ClassC) |
| 2017-08-17 | 151.101.1.63 (ClassC) |
| 2017-09-07 | 151.101.65.63 (ClassC) |
| 2019-01-21 | 54.208.12.55 (ClassC) |
| 2019-06-26 | 34.203.172.232 (ClassC) |
| 2019-06-26 | 34.205.199.227 (ClassC) |
| 2020-04-25 | 52.5.210.131 (ClassC) |
| 2026-01-12 | 146.75.41.55 (ClassC) |
| 2026-02-23 | 151.101.21.55 (ClassC) |
| Date | Domain | IP |
| reader3.isu.pub | 2025-12-26 | 146.75.41.55 |
| static.isu.pub | 2015-06-09 | 23.235.44.64 |
| image.isu.pub | 2015-06-20 | 23.235.44.64 |
| publication.isu.pub | 2026-01-12 | 146.75.41.55 |
| photo.isu.pub | 2015-06-15 | 23.235.44.64 |
| layers.isu.pub | 2024-02-19 | 151.101.22.110 |