ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000095) edu22.info has IPv4 has IPv6 ::1 (time=0.000104) hofstra.edu has IPv4 has IPv6 :: (time=0.000102) ia.ac.cn has IPv4 has IPv6 ::1 (time=0.000097) www.uc.cn has IPv4 has IPv6 :: (time=0.000433) www.ucweb.com has IPv4 has IPv6 :: (time=0.000088)