| Date | IP Address |
| 2018-09-07 | 204.11.56.25 (ClassC) |
| 2025-01-21 | 104.26.15.72 (ClassC) |
| 2025-03-05 | 104.26.14.72 (ClassC) |
| 2025-04-08 | 172.67.73.26 (ClassC) |
| Date | Domain | IP |
| app.buildingstack.com | 2024-09-02 | 104.26.15.72 |
| www.buildingstack.com | 2024-07-02 | 104.26.15.72 |