| Date | IP Address |
| 2017-05-17 | 23.194.83.14 (ClassC) |
| 2017-06-30 | 23.63.205.247 (ClassC) |
| 2023-10-31 | 184.28.50.16 (ClassC) |
| 2023-12-11 | 23.44.175.155 (ClassC) |
| 2024-03-10 | 23.192.230.137 (ClassC) |
| 2024-04-27 | 104.71.218.131 (ClassC) |
| 2024-07-02 | 23.55.167.27 (ClassC) |
| 2024-09-24 | 23.44.175.166 (ClassC) |
| 2024-11-24 | 23.44.175.172 (ClassC) |
| 2025-01-30 | 23.59.88.200 (ClassC) |
| 2025-04-14 | 2.22.251.15 (ClassC) |
| 2025-06-25 | 23.192.230.136 (ClassC) |
| 2026-01-08 | 23.192.230.150 (ClassC) |
| Date | Domain | IP |
| api-stg-ccv2.clos19.com | 2025-09-20 | 13.80.42.223 |
| api-uat-ccv2.clos19.com | 2025-09-13 | 40.91.214.48 |
| qrcode.clos19.com | 2024-12-23 | 23.192.230.136 |
| perf.clos19.com | 2024-11-24 | 23.44.175.166 |
| image.email.clos19.com | 2024-04-12 | 92.123.203.131 |
| click.email.clos19.com | 2025-10-29 | 13.111.131.62 |
| friends.clos19.com | 2024-09-26 | 23.44.175.166 |
| origin-friends.clos19.com | 2025-11-09 | 172.64.146.95 |
| fonts.clos19.com | 2024-11-24 | 23.44.175.166 |
| dev.clos19.com | 2024-09-05 | 23.192.230.132 |
| www.clos19.com | 2023-10-31 | 184.28.50.16 |