| Date | IP Address |
| 2015-03-09 | 108.168.254.139 (ClassC) |
| 2024-02-28 | 34.237.219.119 (ClassC) |
| 2025-04-24 | 3.215.172.219 (ClassC) |
| 2025-05-10 | 52.54.96.194 (ClassC) |
| 2025-06-29 | 3.92.120.28 (ClassC) |
| 2025-08-12 | 18.208.125.13 (ClassC) |
| Date | Domain | IP |
| service.nikkei-r.co.jp | 2025-01-06 | 199.60.103.29 |
| go.nikkei-r.co.jp | 2015-03-09 | 108.168.254.139 |
| www.nikkei-r.co.jp | 2024-05-25 | 104.18.19.164 |