| Date | IP Address |
| 2021-02-13 | 52.89.1.93 (ClassC) |
| 2026-01-24 | 216.150.16.129 (ClassC) |
| Date | Domain | IP |
| cdn.letsbld.com | 2024-06-22 | 3.163.24.101 |
| authsmtp.letsbld.com | 2026-01-24 | 216.150.16.129 |
| smtps.letsbld.com | 2026-01-15 | 216.150.1.129 |
| www.letsbld.com | 2025-09-03 | 76.76.21.93 |