| Date | IP Address |
| 2017-07-25 | 54.64.130.121 (ClassC) |
| 2018-04-17 | 52.192.0.208 (ClassC) |
| 2018-04-17 | 52.198.45.199 (ClassC) |
| 2019-10-25 | 52.196.232.122 (ClassC) |
| 2019-10-25 | 54.249.23.31 (ClassC) |
| 2020-06-23 | 18.183.0.17 (ClassC) |
| 2020-06-23 | 52.199.225.253 (ClassC) |
| 2025-01-12 | 204.246.191.52 (ClassC) |
| 2025-04-09 | 204.246.191.51 (ClassC) |
| 2025-08-05 | 204.246.191.31 (ClassC) |
| Date | Domain | IP |
| www.kanrakai-silk.or.jp | 2024-08-04 | 18.173.121.114 |