cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000126) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000088) edu22.info has IPv4 has IPv6 ::1 (time=0.000118) ia.ac.cn has IPv4 has IPv6 ::1 (time=0.000105) www.uc.cn has IPv4 has IPv6 :: (time=0.000081) www.ucweb.com has IPv4 has IPv6 :: (time=0.000088)