ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000087) edu22.info has IPv4 has IPv6 ::1 (time=0.000104) ia.ac.cn has IPv4 has IPv6 ::1 (time=0.000107) www.uc.cn has IPv4 has IPv6 :: (time=0.000104) www.ucweb.com has IPv4 has IPv6 :: (time=0.000089)