| Date | IP Address |
| 2024-05-18 | 18.177.208.105 (ClassC) |
| 2024-06-09 | 35.78.32.76 (ClassC) |
| 2024-06-17 | 13.114.195.2 (ClassC) |
| 2024-07-02 | 54.92.8.85 (ClassC) |
| 2024-07-20 | 176.34.25.52 (ClassC) |
| 2024-09-11 | 54.248.190.177 (ClassC) |
| 2024-10-09 | 52.196.128.251 (ClassC) |
| 2024-11-25 | 54.248.32.12 (ClassC) |
| 2024-11-30 | 54.92.36.33 (ClassC) |
| 2025-01-09 | 52.196.21.63 (ClassC) |
| 2025-01-19 | 57.182.54.210 (ClassC) |
| 2025-01-23 | 18.181.159.241 (ClassC) |
| 2025-03-19 | 54.238.80.84 (ClassC) |
| 2025-05-11 | 35.79.52.130 (ClassC) |
| 2025-06-11 | 54.248.243.99 (ClassC) |
| 2025-06-21 | 3.113.73.213 (ClassC) |
| 2025-07-01 | 54.95.223.6 (ClassC) |
| 2025-08-21 | 35.72.243.188 (ClassC) |
| 2025-09-01 | 54.178.42.195 (ClassC) |
| 2025-09-26 | 54.150.125.137 (ClassC) |
| 2026-02-14 | 35.73.86.176 (ClassC) |
| Date | Domain | IP |
| math-print.s-kurabayashi.com | 2024-06-09 | 18.179.122.19 |
| www.s-kurabayashi.com | 2024-11-25 | 54.248.60.164 |