| Date | IP Address |
| 2024-11-08 | 54.167.190.86 (ClassC) |
| 2025-03-29 | 184.73.212.232 (ClassC) |
| 2025-05-15 | 54.87.29.219 (ClassC) |
| 2025-07-04 | 44.194.35.115 (ClassC) |
| 2025-10-23 | 3.227.63.57 (ClassC) |
| 2025-12-16 | 3.88.243.10 (ClassC) |
| 2026-01-29 | 98.83.131.141 (ClassC) |
| Date | Domain | IP |
| info-ss1.sumitomoelectric.com | 2024-11-19 | 52.54.96.194 |
| blog.sumitomoelectric.com | 2024-11-08 | 54.167.190.86 |
| vpn.sumitomoelectric.com | 2026-01-27 | 70.60.109.153 |
| info.sumitomoelectric.com | 2025-11-02 | 199.60.103.226 |
| sftp.sumitomoelectric.com | 2025-05-25 | 70.60.109.156 |
| autodiscover.sumitomoelectric.com | 2025-06-15 | 70.60.109.152 |
| www.sumitomoelectric.com | 2025-10-18 | 133.153.71.81 |