| Date | IP Address |
| 2023-10-30 | 34.202.102.0 (ClassC) |
| 2023-11-07 | 54.162.71.229 (ClassC) |
| 2023-11-16 | 54.235.220.170 (ClassC) |
| 2024-01-21 | 3.90.118.116 (ClassC) |
| 2024-04-23 | 52.205.7.150 (ClassC) |
| 2025-08-05 | 52.0.204.119 (ClassC) |
| 2025-08-08 | 54.165.178.231 (ClassC) |
| 2025-09-10 | 44.196.220.104 (ClassC) |
| 2025-09-16 | 18.215.112.110 (ClassC) |
| 2025-09-25 | 52.86.9.217 (ClassC) |
| 2025-12-23 | 35.173.159.51 (ClassC) |
| 2026-02-02 | 3.214.197.245 (ClassC) |
| Date | Domain | IP |
| organizer.ext.prod.bizzabo.com | 2024-05-14 | 23.21.8.28 |
| events.ext.prod.bizzabo.com | 2025-08-05 | 52.0.204.119 |