ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000076) edu22.info has IPv4 has IPv6 ::1 (time=0.000092) hofstra.edu has IPv4 has IPv6 :: (time=0.000082) www.uc.cn has IPv4 has IPv6 :: (time=0.000075) www.ucweb.com has IPv4 has IPv6 :: (time=0.000071)