| Date | IP Address |
| 2020-09-02 | 35.163.222.170 (ClassC) |
| 2021-02-24 | 54.70.26.209 (ClassC) |
| 2023-08-06 | 44.236.178.133 (ClassC) |
| 2023-10-08 | 52.37.204.133 (ClassC) |
| 2023-10-16 | 54.68.212.187 (ClassC) |
| 2023-11-22 | 34.215.121.164 (ClassC) |
| 2024-01-27 | 52.25.117.208 (ClassC) |
| 2024-04-17 | 44.227.132.90 (ClassC) |
| 2024-05-09 | 34.213.159.169 (ClassC) |
| 2024-05-17 | 44.231.146.147 (ClassC) |
| 2024-05-25 | 54.202.161.159 (ClassC) |
| 2024-06-08 | 54.68.160.76 (ClassC) |
| 2024-06-15 | 100.20.90.250 (ClassC) |
| 2024-07-29 | 44.240.144.89 (ClassC) |
| 2024-08-23 | 54.201.135.95 (ClassC) |
| 2024-10-12 | 54.149.244.205 (ClassC) |
| 2024-10-17 | 35.82.160.226 (ClassC) |
| 2024-10-27 | 34.211.253.198 (ClassC) |
| 2024-11-06 | 35.167.221.214 (ClassC) |
| 2024-11-18 | 44.225.203.211 (ClassC) |
| 2024-12-28 | 52.88.142.39 (ClassC) |
| 2025-01-18 | 52.38.122.245 (ClassC) |
| 2025-01-23 | 52.41.184.210 (ClassC) |
| 2025-03-23 | 52.11.241.168 (ClassC) |
| 2025-05-01 | 44.241.206.187 (ClassC) |
| 2025-05-15 | 54.200.193.6 (ClassC) |
| 2025-07-13 | 35.82.124.154 (ClassC) |
| 2025-08-18 | 34.223.30.119 (ClassC) |
| 2025-09-20 | 44.227.142.176 (ClassC) |
| 2026-01-31 | 44.254.51.253 (ClassC) |
| Date | Domain | IP |
| api.1core.com | 2024-07-29 | 52.42.7.122 |
| attendapphelp.1core.com | 2026-01-18 | 162.159.140.147 |
| app.1core.com | 2025-06-01 | 44.236.231.205 |
| connect.1core.com | 2024-02-18 | 44.215.204.63 |
| parent.1core.com | 2025-12-04 | 100.20.110.176 |
| www.1core.com | 2024-07-29 | 44.240.144.89 |