| Date | IP Address |
| 2019-07-22 | 52.21.178.134 (ClassC) |
| 2024-09-16 | 34.237.219.119 (ClassC) |
| 2025-06-21 | 3.215.172.219 (ClassC) |
| 2025-07-09 | 18.208.125.13 (ClassC) |
| 2026-02-15 | 3.92.120.28 (ClassC) |
| Date | Domain | IP |
| mail.sunbit.co.jp | 2024-06-24 | 74.125.197.109 |
| cs.sunbit.co.jp | 2024-09-16 | 34.237.219.119 |
| www.sunbit.co.jp | 2025-09-10 | 160.16.106.200 |