| Date | IP Address |
| 2018-08-23 | 23.195.105.185 (ClassC) |
| 2023-02-06 | 104.69.115.99 (ClassC) |
| 2023-08-26 | 104.100.67.173 (ClassC) |
| 2023-10-30 | 23.59.202.221 (ClassC) |
| 2024-02-21 | 23.198.153.128 (ClassC) |
| 2024-09-17 | 23.222.145.179 (ClassC) |
| 2024-11-03 | 23.44.246.164 (ClassC) |
| 2024-11-24 | 184.25.208.208 (ClassC) |
| 2025-01-30 | 23.6.108.159 (ClassC) |
| 2025-02-25 | 23.193.76.152 (ClassC) |
| 2025-04-06 | 23.198.109.68 (ClassC) |
| 2025-12-10 | 23.227.38.65 (ClassC) |
| Date | Domain | IP |
| ns2.shark.co.jp | 2025-10-05 | 95.101.36.66 |
| ns3.shark.co.jp | 2025-08-21 | 23.211.61.67 |
| ns4.shark.co.jp | 2025-09-08 | 95.100.173.64 |
| ns5.shark.co.jp | 2025-09-13 | 96.7.49.65 |
| ns6.shark.co.jp | 2025-09-13 | 23.61.199.66 |
| direct.shark.co.jp | 2025-10-17 | 23.227.38.74 |
| www.shark.co.jp | 2023-08-26 | 104.100.67.173 |