| Date | IP Address |
| 2024-10-04 | 52.198.1.160 (ClassC) |
| 2024-11-07 | 13.115.142.148 (ClassC) |
| 2024-12-30 | 13.115.171.60 (ClassC) |
| 2025-01-16 | 13.112.227.26 (ClassC) |
| 2025-04-09 | 57.182.143.126 (ClassC) |
| 2025-05-10 | 3.115.95.96 (ClassC) |
| 2025-05-29 | 52.194.118.24 (ClassC) |
| 2025-06-15 | 52.196.250.92 (ClassC) |
| 2025-06-18 | 3.115.234.211 (ClassC) |
| 2025-07-02 | 35.74.103.49 (ClassC) |
| 2025-07-30 | 52.198.220.216 (ClassC) |
| 2025-10-07 | 57.181.215.98 (ClassC) |
| 2026-01-29 | 35.72.197.209 (ClassC) |
| Date | Domain | IP |
| dev-spa.sendenkaigi.com | 2025-10-31 | 3.169.173.31 |
| id.sendenkaigi.com | 2024-10-04 | 52.198.1.160 |
| lp.sendenkaigi.com | 2025-03-09 | 204.246.191.68 |
| news.sendenkaigi.com | 2025-09-30 | 35.75.236.81 |
| ent.sendenkaigi.com | 2025-06-02 | 35.73.191.105 |
| www.sendenkaigi.com | 2023-11-01 | 18.176.17.156 |