elective.pku.edu.cn服务器iP：
当前解析：
北京市 - 电信106.120.125.85
历史解析记录：
2024-07-29 至 2024-07-29 106.120.125.85
2024-07-22 至 2024-07-27 162.105.131.132
2024-07-11 至 2024-07-11 106.120.125.85
2024-07-11 至 2024-07-11 162.105.131.132
2024-03-17 至 2024-07-06 106.120.125.85
2024-02-13 至 2024-02-14 162.105.131.132
2024-01-05 至 2024-01-15 106.120.125.85
2023-12-20 至 2023-12-31 162.105.131.132
2023-12-20 至 2023-12-20 106.120.125.85
2023-11-23 至 2023-11-23 162.105.131.132
2023-11-18 至 2023-11-18 106.120.125.85
2023-11-18 至 2023-11-18 162.105.131.132
2023-10-17 至 2023-10-17 106.120.125.85