| Date | IP Address |
| 2025-05-19 | 20.88.161.188 (ClassC) |
| Date | Domain | IP |
| sandbox.api.stubhub.net | 2023-08-25 | 23.34.172.169 |
| app.stubhub.net | 2024-09-13 | 23.46.17.7 |
| sandbox.app.stubhub.net | 2023-08-25 | 104.70.127.62 |
| pt.stubhub.net | 2024-10-07 | 104.98.114.168 |
| sandbox.twilioflex.stubhub.net | 2025-05-19 | 20.88.161.188 |