| Date | IP Address |
| 2019-09-08 | 104.91.230.34 (ClassC) |
| 2023-08-26 | 104.119.94.127 (ClassC) |
| 2024-11-15 | 92.123.202.24 (ClassC) |
| 2024-11-25 | 184.25.62.239 (ClassC) |
| 2024-12-26 | 23.198.145.192 (ClassC) |
| 2025-03-15 | 23.6.98.186 (ClassC) |
| 2025-04-28 | 23.195.227.4 (ClassC) |
| 2025-09-21 | 23.195.232.86 (ClassC) |
| 2026-02-05 | 23.6.104.19 (ClassC) |
| Date | Domain | IP |
| payment2.bitflyer.jp | 2023-08-26 | 104.119.94.127 |
| lightning.bitflyer.jp | 2023-08-26 | 104.119.94.127 |
| api.bitflyer.jp | 2023-08-26 | 104.119.94.127 |
| signal.bitflyer.jp | 2025-12-20 | 23.41.4.89 |
| fundflyer.bitflyer.jp | 2024-08-22 | 23.192.230.85 |
| chainflyer.bitflyer.jp | 2025-05-15 | 23.216.147.169 |
| bitcoindonations.bitflyer.jp | 2024-07-14 | 23.41.4.89 |
| news.bitflyer.jp | 2025-05-16 | 23.212.62.205 |
| payment.bitflyer.jp | 2023-08-26 | 104.119.94.127 |
| www.bitflyer.jp | 2023-08-26 | 104.119.94.127 |