| Date | IP Address |
| 2019-11-04 | 13.33.73.92 (ClassC) |
| 2019-11-05 | 13.225.62.92 (ClassC) |
| 2019-11-05 | 13.225.62.46 (ClassC) |
| 2019-11-05 | 13.225.62.69 (ClassC) |
| 2019-11-09 | 13.225.54.7 (ClassC) |
| 2019-11-14 | 54.192.50.44 (ClassC) |
| 2019-11-14 | 54.192.50.106 (ClassC) |
| 2020-01-15 | 13.249.79.111 (ClassC) |
| 2020-01-15 | 13.249.79.50 (ClassC) |
| 2020-02-06 | 99.86.57.42 (ClassC) |
| 2020-02-06 | 99.86.57.90 (ClassC) |
| 2020-02-20 | 13.226.129.120 (ClassC) |
| 2020-03-20 | 99.84.247.4 (ClassC) |
| 2020-03-24 | 143.204.35.59 (ClassC) |
| 2020-04-14 | 13.226.142.117 (ClassC) |
| 2020-04-17 | 13.35.82.36 (ClassC) |
| 2020-05-02 | 54.192.73.13 (ClassC) |
| 2020-05-02 | 54.192.73.65 (ClassC) |
| 2020-05-02 | 54.192.73.83 (ClassC) |
| 2020-05-02 | 54.192.73.92 (ClassC) |
| 2020-05-11 | 13.225.190.33 (ClassC) |
| 2020-05-11 | 13.225.190.89 (ClassC) |
| 2024-02-16 | 104.18.77.231 (ClassC) |
| 2025-04-17 | 104.17.74.82 (ClassC) |
| 2025-09-22 | 104.17.75.82 (ClassC) |
| Date | Domain | IP |
| static.builtin.com | 2025-07-03 | 104.17.75.82 |
| frontend.builtin.com | 2024-02-16 | 104.18.77.231 |
| knowledgebase.builtin.com | 2024-11-25 | 23.54.19.147 |
| accounts-staging.builtin.com | 2025-06-30 | 104.17.75.82 |
| api.builtin.com | 2023-08-15 | 104.16.115.67 |
| cdn.builtin.com | 2025-08-14 | 104.17.74.82 |
| develop.builtin.com | 2025-09-10 | 104.17.74.82 |
| accounts-develop.builtin.com | 2025-05-27 | 104.17.75.82 |
| contentmanager.builtin.com | 2024-03-12 | 23.46.17.16 |
| employers.builtin.com | 2025-07-11 | 104.17.74.82 |
| accounts.builtin.com | 2023-08-15 | 104.16.116.67 |
| content.builtin.com | 2024-04-19 | 52.218.176.33 |
| develop-content.builtin.com | 2024-04-19 | 52.218.169.193 |
| www.builtin.com | 2024-04-09 | 104.18.77.231 |
| devsandbox.builtin.com | 2024-04-09 | 104.18.78.231 |
| accounts-devsandbox.builtin.com | 2025-05-08 | 104.17.74.82 |
| content.devsandbox.builtin.com | 2024-04-30 | 52.218.237.201 |