| Date | IP Address |
| 2021-12-07 | 52.87.61.19 (ClassC) |
| 2022-08-23 | 184.73.159.142 (ClassC) |
| 2024-04-22 | 52.4.18.65 (ClassC) |
| 2024-05-25 | 52.72.189.75 (ClassC) |
| 2024-07-22 | 54.166.17.211 (ClassC) |
| 2024-08-31 | 54.161.234.237 (ClassC) |
| 2024-10-04 | 54.156.168.212 (ClassC) |
| 2024-10-22 | 52.6.203.245 (ClassC) |
| 2024-10-28 | 3.225.189.117 (ClassC) |
| 2024-11-01 | 52.203.66.154 (ClassC) |
| 2024-11-25 | 34.195.174.85 (ClassC) |
| 2024-12-14 | 52.20.45.162 (ClassC) |
| 2024-12-30 | 18.235.21.167 (ClassC) |
| 2025-02-18 | 52.21.26.97 (ClassC) |
| 2025-08-24 | 34.195.100.101 (ClassC) |
| 2025-09-01 | 52.6.11.224 (ClassC) |
| 2025-11-21 | 35.169.66.218 (ClassC) |
| 2026-01-15 | 52.203.187.14 (ClassC) |
| Date | Domain | IP |
| pubsub.cloze.com | 2025-05-24 | 44.199.118.179 |
| api.cloze.com | 2025-09-01 | 52.6.11.224 |
| cdn.cloze.com | 2024-02-01 | 99.84.238.92 |
| help.cloze.com | 2026-01-13 | 18.210.189.28 |
| app.cloze.com | 2025-09-01 | 3.210.166.195 |
| images.cloze.com | 2024-03-11 | 99.84.66.95 |
| www.cloze.com | 2024-04-22 | 52.4.18.65 |