cugb.edu.cn has IPv4 has IPv6 ::1 (time=0.000107) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000081) edu22.info has IPv4 has IPv6 ::1 (time=0.000100) hofstra.edu has IPv4 has IPv6 :: (time=0.000075) univ-tlemcen.dz has IPv4 has IPv6 ::1 (time=0.000095)