edu22.info has IPv4 has IPv6 ::1 (time=0.000087) ia.ac.cn has IPv4 has IPv6 ::1 (time=0.000099) pega.com has IPv4 has IPv6 :: (time=0.000096) www.uc.cn has IPv4 has IPv6 :: (time=0.000093) www.ucweb.com has IPv4 has IPv6 :: (time=0.000104)