| Date | IP Address |
| 2019-06-22 | 99.86.58.48 (ClassC) |
| 2019-06-22 | 99.86.58.109 (ClassC) |
| 2019-06-22 | 99.86.58.40 (ClassC) |
| 2020-08-28 | 13.249.90.104 (ClassC) |
| 2020-12-16 | 13.249.93.4 (ClassC) |
| 2024-08-06 | 99.84.71.63 (ClassC) |
| 2024-12-27 | 3.163.178.191 (ClassC) |
| 2025-04-17 | 99.84.71.67 (ClassC) |
| 2025-08-27 | 99.84.71.204 (ClassC) |
| 2025-09-24 | 99.84.71.9 (ClassC) |
| Date | Domain | IP |
| open-data.bouldercolorado.gov | 2025-05-27 | 3.215.20.206 |
| opendata.bouldercolorado.gov | 2024-12-09 | 172.67.36.64 |
| buildingperformancemap.bouldercolorado.gov | 2024-08-06 | 99.84.71.63 |
| www.bouldercolorado.gov | 2025-05-08 | 23.185.0.3 |