校内地址范围:
10.0.0.0/8
118.229.128.0/17
59.64.128.0/17
211.68.68.0/22
219.243.192.0/22
210.76.114.0/24
210.25.128.0/24
210.25.137.0/24
210.25.132.0/24
202.38.140.56/29
202.38.97.200/30
202.205.252.0/23
222.199.184.0/22
202.204.22.0/24
211.68.95.0/24
202.112.42.0/24
202.112.10.0/24
202.112.9.0/24