| Date | IP Address |
| 2014-12-05 | 72.167.152.174 (ClassC) |
| 2015-01-01 | 104.28.7.113 (ClassC) |
| 2015-01-01 | 104.28.6.113 (ClassC) |
| 2016-08-13 | 50.62.169.103 (ClassC) |
| 2017-01-13 | 184.168.224.162 (ClassC) |
| 2018-09-07 | 50.62.160.34 (ClassC) |
| 2018-10-24 | 107.180.46.225 (ClassC) |
| 2019-11-30 | 104.27.186.246 (ClassC) |
| 2019-11-30 | 104.27.187.246 (ClassC) |
| 2020-05-27 | 172.67.156.110 (ClassC) |
| 2021-07-22 | 104.21.89.49 (ClassC) |
| 2021-07-23 | 170.106.51.7 (ClassC) |
| 2021-12-14 | 43.130.64.70 (ClassC) |
| 2026-02-15 | 43.153.94.128 (ClassC) |
| Date | Domain | IP |
| obd.tui21.com | 2014-09-03 | 104.28.6.113 |
| bbs.tui21.com | 2014-11-15 | 104.28.6.113 |
| details.tui21.com | 2014-10-21 | 104.28.6.113 |
| www.tui21.com | 2025-11-03 | 43.153.94.128 |