| Date | IP Address |
| 2023-11-01 | 54.65.168.18 (ClassC) |
| 2025-02-26 | 52.194.157.124 (ClassC) |
| 2025-05-28 | 18.182.179.7 (ClassC) |
| 2025-09-19 | 54.249.116.140 (ClassC) |
| 2025-10-02 | 176.34.40.14 (ClassC) |
| 2025-12-25 | 3.115.172.72 (ClassC) |
| 2026-01-10 | 52.196.28.112 (ClassC) |
| Date | Domain | IP |
| dc.smartmessage.jp | 2025-02-27 | 52.194.157.124 |
| lp.smartmessage.jp | 2025-02-27 | 52.197.89.126 |
| biz.smartmessage.jp | 2025-02-26 | 54.92.72.110 |