| Date | IP Address |
| 2024-11-15 | 133.163.13.9 (ClassC) |
| Date | Domain |
| seibusogo-mkg.jp | 2016-10-01 |
| Date | Domain | IP |
| ns2.sogo-seibu.co.jp | 2024-11-15 | 133.163.13.9 |
| img.fitting.sogo-seibu.co.jp | 2024-01-09 | 157.185.169.208 |
| dp.sogo-seibu.co.jp | 2024-11-10 | 15.197.187.172 |
| staff-touroku.sogo-seibu.co.jp | 2024-11-15 | 210.136.121.137 |
| www.sogo-seibu.co.jp | 2023-08-18 | 3.163.24.66 |