| Date | IP Address |
| 2021-06-24 | 13.249.137.59 (ClassC) |
| 2021-12-16 | 99.84.173.59 (ClassC) |
| 2022-04-11 | 108.159.227.105 (ClassC) |
| 2022-08-01 | 18.64.183.126 (ClassC) |
| 2024-10-01 | 52.84.162.61 (ClassC) |
| 2024-11-05 | 99.84.66.58 (ClassC) |
| Date | Domain | IP |
| fairdata.koelnmesse.com | 2024-07-29 | 52.84.162.93 |
| ambista.koelnmesse.com | 2024-10-01 | 52.84.162.61 |
| andina-pack.koelnmesse.com | 2024-03-08 | 99.84.66.118 |
| eforum.koelnmesse.com | 2024-09-17 | 99.84.66.28 |
| eslot.dev.koelnmesse.com | 2024-06-24 | 18.198.120.118 |
| www.koelnmesse.com | 2023-11-01 | 99.84.66.58 |