cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000113) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000092) edu22.info has IPv4 has IPv6 ::1 (time=0.000128) www.uc.cn has IPv4 has IPv6 :: (time=0.000119) www.ucweb.com has IPv4 has IPv6 :: (time=0.000113)