| Property | Value |
| Organization | East Japan Railway Company |
| NameServer | a10-66.akam.net |
| Created | 1995-08-28 00:00:00 |
| Changed | 2015-08-31 16:09:20 |
| Date | IP Address |
| 2017-04-21 | 23.61.68.235 (ClassC) |
| 2020-06-11 | 23.199.50.89 (ClassC) |
| 2020-06-12 | 96.7.75.162 (ClassC) |
| 2020-06-25 | 23.48.209.33 (ClassC) |
| 2020-06-25 | 23.48.209.43 (ClassC) |
| 2020-07-02 | 23.219.36.90 (ClassC) |
| 2020-07-05 | 23.43.164.73 (ClassC) |
| 2020-07-08 | 96.17.111.17 (ClassC) |
| 2020-07-12 | 23.56.169.67 (ClassC) |
| 2020-08-19 | 79.140.81.65 (ClassC) |
| 2020-12-09 | 69.174.30.155 (ClassC) |
| 2021-07-30 | 104.125.2.120 (ClassC) |
| 2024-08-15 | 104.96.163.148 (ClassC) |
| 2025-01-03 | 23.41.4.87 (ClassC) |
| 2025-03-16 | 23.216.145.70 (ClassC) |
| 2025-04-07 | 23.41.4.79 (ClassC) |
| Date | Domain | IP |
| traininfo.jreast.co.jp | 2014-11-18 | 198.47.108.91 |
| testtraininfo.jreast.co.jp | 2024-06-14 | 23.41.4.77 |
| rtoaster.jreast.co.jp | 2022-04-29 | 104.102.249.154 |
| www.jreast.co.jp | 2024-08-15 | 104.96.163.148 |