cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000079) edu22.info has IPv4 has IPv6 ::1 (time=0.000084) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000090) hofstra.edu has IPv4 has IPv6 :: (time=0.000108) www.uc.cn has IPv4 has IPv6 :: (time=0.000101) www.ucweb.com has IPv4 has IPv6 :: (time=0.000075)