China Mainland Network ICMP Monitoring
CT Beijing
CT Tianjin
CT Xi An
CT Chengdu
CT Chongqing
CT Shanghai
CT Xiamen
CT Guangzhou
CT Shenzhen
CU Tianjin
CU Qingdao
CU Langfang
CU Dalian
CU Shanghai
CU Luoyang
CU Shenzhen
CM Tianjin
CM Nanning
CM Nanjing
CM Foshan
