| Date | IP Address |
| 2024-07-16 | 13.113.61.58 (ClassC) |
| 2025-10-15 | 54.92.71.210 (ClassC) |
| 2026-01-05 | 52.196.152.133 (ClassC) |
| 2026-01-23 | 35.78.46.187 (ClassC) |
| Date | Domain | IP |
| sapporo-youth.syaa.or.jp | 2026-01-17 | 3.113.160.25 |
| test-youth.syaa.or.jp | 2025-10-15 | 18.180.20.234 |
| ukagai.syaa.or.jp | 2025-12-25 | 54.168.19.209 |
| ukagai-devel.syaa.or.jp | 2025-11-20 | 35.74.109.87 |
| app.jms-devel.syaa.or.jp | 2025-06-05 | 3.112.86.128 |
| shohyo.syaa.or.jp | 2025-12-26 | 54.168.19.209 |
| sys.syaa.or.jp | 2026-01-03 | 54.168.19.209 |
| test.syaa.or.jp | 2025-10-15 | 18.180.20.234 |
| zabbix.syaa.or.jp | 2025-10-15 | 54.92.71.210 |