| Date | IP Address | 
| 2024-04-30 | 52.218.237.201 (ClassC) | 
| 2024-05-27 | 52.92.241.194 (ClassC) | 
| 2024-05-30 | 52.92.176.42 (ClassC) | 
| 2024-06-11 | 52.92.206.58 (ClassC) | 
| 2024-07-12 | 3.5.85.164 (ClassC) | 
| 2024-11-21 | 3.5.82.129 (ClassC) | 
| 2024-12-06 | 52.218.217.73 (ClassC) | 
| 2024-12-10 | 52.92.238.130 (ClassC) | 
| 2024-12-27 | 3.5.81.127 (ClassC) | 
| 2025-01-30 | 3.5.83.196 (ClassC) | 
| 2025-03-05 | 52.218.253.145 (ClassC) | 
| 2025-03-22 | 3.5.81.102 (ClassC) | 
| 2025-04-16 | 52.92.238.18 (ClassC) | 
| 2025-05-06 | 3.5.86.186 (ClassC) | 
| 2025-07-01 | 52.92.192.186 (ClassC) | 
| 2025-07-10 | 52.92.191.10 (ClassC) | 
| 2025-08-20 | 3.5.77.73 (ClassC) | 
| 2025-09-05 | 52.92.193.10 (ClassC) | 
| 2025-10-31 | 3.5.82.26 (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 |