| Date | IP Address |
| 2017-08-23 | 218.107.196.251 (ClassC) |
| 2017-09-05 | 124.160.136.240 (ClassC) |
| 2024-07-03 | 47.243.139.36 (ClassC) |
| 2025-05-12 | 116.204.132.46 (ClassC) |
| 2025-08-06 | 121.40.117.168 (ClassC) |
| 2026-02-20 | 120.26.244.235 (ClassC) |
| Date | Domain | IP |
| safe.31hotel.com | 2024-07-03 | 47.243.139.36 |
| dryer.31hotel.com | 2024-07-04 | 47.243.139.36 |
| www.31hotel.com | 2024-07-03 | 47.243.139.36 |