171.221.000.000|172.015.255.255|

172.016.000.000|172.031.255.255|局域网

172.032.000.000|172.127.255.255|

172.128.000.000|172.133.255.255|美国

172.134.000.000|172.134.255.255|加拿大

172.135.000.000|172.140.066.255|美国

172.140.067.000|172.140.067.255|英国

172.140.068.000|172.147.191.255|美国

172.147.192.000|172.147.193.255|加拿大

172.147.194.000|172.157.079.255|美国

172.157.080.000|172.157.090.255|英国

172.157.091.000|172.160.255.255|美国

172.161.000.000|172.162.255.255|加拿大

172.163.000.000|172.173.099.255|美国

172.173.100.000|172.173.120.255|英国

172.173.121.000|172.185.176.255|美国

172.185.177.000|172.185.177.255|英国

172.185.178.000|172.186.218.255|美国

172.186.219.000|172.186.219.255|英国

172.186.220.000|172.188.009.255|美国

172.188.010.000|172.191.255.255|英国

172.192.000.000|172.202.255.255|美国

172.203.000.000|172.203.255.255|加拿大

172.204.000.000|172.211.255.255|美国

172.212.000.000|172.255.255.255|