| Date | IP Address |
| 2017-11-16 | 52.84.14.183 (ClassC) |
| 2017-12-03 | 52.84.143.226 (ClassC) |
| 2017-12-26 | 54.192.122.162 (ClassC) |
| 2018-02-07 | 52.84.14.81 (ClassC) |
| 2018-02-14 | 52.84.14.102 (ClassC) |
| 2018-08-20 | 52.85.219.145 (ClassC) |
| 2020-04-21 | 99.84.166.8 (ClassC) |
| 2020-04-21 | 99.84.166.60 (ClassC) |
| 2020-08-07 | 143.204.25.92 (ClassC) |
| 2020-11-13 | 13.33.74.8 (ClassC) |
| 2020-11-24 | 13.225.25.128 (ClassC) |
| 2020-12-30 | 13.227.41.10 (ClassC) |
| 2021-01-22 | 52.84.127.6 (ClassC) |
| 2021-10-26 | 52.84.121.14 (ClassC) |
| 2024-08-08 | 54.75.176.217 (ClassC) |
| 2024-09-26 | 54.76.84.221 (ClassC) |
| 2024-12-22 | 128.140.29.241 (ClassC) |
| 2026-01-24 | 116.202.226.143 (ClassC) |
| Date | Domain | IP |
| ae.nihonkohden.com | 2025-08-31 | 54.76.84.221 |
| sg.nihonkohden.com | 2025-06-20 | 54.76.84.221 |
| in.nihonkohden.com | 2023-07-19 | 54.155.160.119 |
| br.nihonkohden.com | 2025-08-15 | 54.76.84.221 |
| kr.nihonkohden.com | 2025-08-05 | 54.76.84.221 |
| eu.nihonkohden.com | 2024-08-08 | 54.75.176.217 |
| www.nihonkohden.com | 2024-07-16 | 108.156.201.61 |
| mx.nihonkohden.com | 2025-08-28 | 54.76.84.221 |