| Date | IP Address |
| 2023-08-25 | 23.37.110.114 (ClassC) |
| 2023-09-03 | 23.60.118.135 (ClassC) |
| 2024-04-13 | 23.38.230.44 (ClassC) |
| 2024-07-30 | 23.43.208.6 (ClassC) |
| 2024-09-11 | 23.56.191.200 (ClassC) |
| 2025-03-15 | 104.92.255.196 (ClassC) |
| 2025-05-12 | 23.196.149.183 (ClassC) |
| 2025-08-13 | 23.196.199.201 (ClassC) |
| Date | Domain | IP |
| stage.jhillust.com | 2023-08-25 | 104.103.223.190 |
| test.jhillust.com | 2023-08-25 | 23.37.110.114 |
| dev.jhillust.com | 2023-08-25 | 104.103.223.190 |
| www.jhillust.com | 2023-08-25 | 23.37.110.114 |