| Property | Value |
| Organization | SUMITOMO ELECTRIC INDUSTRIES, LTD. |
| NameServer | ns02.sei.co.jp |
| Created | 1996-10-21 00:00:00 |
| Changed | 2014-10-31 16:04:00 |
| Date | IP Address |
| 2026-02-18 | 133.153.71.81 (ClassC) |
| Date | Domain | IP |
| ns02.sei.co.jp | 2025-12-07 | 133.153.71.126 |
| rasc2-i2.sei.co.jp | 2024-11-25 | 202.221.235.182 |
| rasc2-u2.sei.co.jp | 2025-01-30 | 20.3.209.175 |
| rasc2-ja.sei.co.jp | 2024-12-12 | 202.232.43.71 |
| rasc2-e.sei.co.jp | 2025-02-06 | 4.182.1.16 |
| www1.azde.sei.co.jp | 2025-09-06 | 4.182.1.23 |
| SEIGATE.SEI.CO.JP | 2025-09-06 | 133.153.71.126 |
| www1.dcsg.sei.co.jp | 2025-09-06 | 20.212.97.86 |
| www1.azsg.sei.co.jp | 2025-09-06 | 20.212.97.86 |
| rasc2-i.sei.co.jp | 2024-11-25 | 159.28.117.177 |
| www.sumifi.sei.co.jp | 2024-12-26 | 3.114.128.66 |
| websys-us.sei.co.jp | 2025-09-06 | 20.51.110.198 |
| t-websys-us.sei.co.jp | 2025-09-06 | 20.51.110.198 |
| www1.azus.sei.co.jp | 2025-09-14 | 20.51.110.198 |
| rasc2-u.sei.co.jp | 2025-02-21 | 20.3.209.175 |
| rasc2-dev.sei.co.jp | 2025-09-29 | 202.221.235.179 |
| www.sei.co.jp | 2026-02-18 | 133.153.71.81 |
| rasc2-y.sei.co.jp | 2025-01-30 | 150.249.220.202 |