| Date | IP Address |
| 2024-04-22 | 13.113.226.183 (ClassC) |
| 2024-05-25 | 13.115.121.186 (ClassC) |
| 2024-06-10 | 52.192.226.204 (ClassC) |
| 2024-08-14 | 175.41.244.241 (ClassC) |
| 2024-10-30 | 35.74.171.104 (ClassC) |
| 2024-11-25 | 35.72.251.75 (ClassC) |
| 2025-01-25 | 52.192.140.39 (ClassC) |
| 2025-02-22 | 52.69.74.137 (ClassC) |
| 2025-05-16 | 54.250.183.159 (ClassC) |
| 2025-08-18 | 35.73.26.16 (ClassC) |
| 2025-09-02 | 13.112.248.34 (ClassC) |
| 2025-12-07 | 13.112.70.78 (ClassC) |
| Date | Domain | IP |
| mid-career.sms-c.co.jp | 2025-05-16 | 3.163.24.87 |
| www.sms-c.co.jp | 2024-04-22 | 13.113.226.183 |