| Date | IP Address |
| 2022-10-04 | 99.84.108.38 (ClassC) |
| 2022-10-06 | 143.204.165.92 (ClassC) |
| 2022-12-08 | 65.9.86.16 (ClassC) |
| 2023-02-08 | 65.9.86.8 (ClassC) |
| 2023-08-19 | 18.160.41.53 (ClassC) |
| 2023-10-27 | 13.249.205.65 (ClassC) |
| 2024-08-09 | 99.84.66.125 (ClassC) |
| 2024-09-30 | 13.249.126.94 (ClassC) |
| 2025-01-08 | 99.84.66.85 (ClassC) |
| 2025-03-21 | 18.172.170.80 (ClassC) |
| 2025-07-12 | 99.84.66.37 (ClassC) |
| 2025-08-13 | 99.84.66.61 (ClassC) |
| Date | Domain | IP |
| blog.signup.com | 2024-11-24 | 54.84.132.22 |
| sli.signup.com | 2024-08-09 | 99.84.66.125 |
| panela.em.signup.com | 2025-01-18 | 13.235.190.119 |
| mobileapp.signup.com | 2024-11-24 | 98.83.251.239 |
| fs.signup.com | 2025-07-12 | 35.190.125.54 |
| links.signup.com | 2025-01-25 | 142.0.191.16 |
| support.signup.com | 2024-11-25 | 54.84.132.22 |
| www.signup.com | 2024-08-10 | 52.73.212.164 |