ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000092) edu22.info has IPv4 has IPv6 ::1 (time=0.000091) ia.ac.cn has IPv4 has IPv6 ::1 (time=0.000103) www.uc.cn has IPv4 has IPv6 :: (time=0.000126) www.ucweb.com has IPv4 has IPv6 :: (time=0.000109)