cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000096) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000142) edu22.info has IPv4 has IPv6 ::1 (time=0.000718) www.uc.cn has IPv4 has IPv6 :: (time=0.000123) www.ucweb.com has IPv4 has IPv6 :: (time=0.000090)