cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000083) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000093) edu22.info has IPv4 has IPv6 ::1 (time=0.000086) hofstra.edu has IPv4 has IPv6 :: (time=0.000098) univ-tlemcen.dz has IPv4 has IPv6 ::1 (time=0.000088)