| Date | IP Address |
| 2018-08-18 | 54.154.182.73 (ClassC) |
| 2020-03-21 | 52.214.61.109 (ClassC) |
| 2024-04-23 | 34.248.10.231 (ClassC) |
| 2024-05-27 | 52.19.31.46 (ClassC) |
| 2024-06-09 | 34.243.102.154 (ClassC) |
| 2024-06-16 | 54.76.138.17 (ClassC) |
| 2024-07-22 | 34.243.224.205 (ClassC) |
| 2024-08-08 | 34.240.224.173 (ClassC) |
| 2024-09-27 | 54.73.176.9 (ClassC) |
| 2024-10-05 | 54.72.112.188 (ClassC) |
| 2024-10-14 | 54.247.189.5 (ClassC) |
| 2024-11-20 | 34.240.203.236 (ClassC) |
| 2024-12-24 | 54.247.25.241 (ClassC) |
| 2025-01-24 | 52.212.193.151 (ClassC) |
| 2025-04-06 | 54.77.220.86 (ClassC) |
| 2025-04-23 | 52.19.23.160 (ClassC) |
| 2025-05-13 | 52.212.140.52 (ClassC) |
| 2025-08-16 | 54.154.8.82 (ClassC) |
| 2025-08-19 | 52.48.159.149 (ClassC) |
| 2025-08-30 | 34.247.145.53 (ClassC) |
| 2026-01-05 | 52.17.97.157 (ClassC) |
| Date | Domain | IP |
| blog.weekcal.com | 2015-05-12 | 173.194.197.121 |
| api.weekcal.com | 2024-04-23 | 34.248.10.231 |
| s.weekcal.com | 2025-05-07 | 18.161.6.58 |
| www.weekcal.com | 2023-11-01 | 18.161.6.51 |