| Date | IP Address |
| 2024-04-22 | 13.113.226.183 (ClassC) |
| 2024-05-25 | 54.238.153.94 (ClassC) |
| 2024-06-03 | 13.115.121.186 (ClassC) |
| 2024-06-10 | 52.192.226.204 (ClassC) |
| 2024-07-02 | 18.178.54.174 (ClassC) |
| 2024-08-14 | 54.168.22.235 (ClassC) |
| 2024-11-15 | 57.182.132.88 (ClassC) |
| 2024-12-20 | 52.198.142.27 (ClassC) |
| 2025-01-10 | 35.72.251.75 (ClassC) |
| 2025-02-21 | 54.249.62.229 (ClassC) |
| 2025-04-24 | 57.182.117.40 (ClassC) |
| 2025-09-14 | 54.249.193.54 (ClassC) |
| 2025-12-09 | 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 |