cugb.edu.cn                    has IPv4  has IPv6  ::1  (time=0.000101)
ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000077)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000088)
hofstra.edu                    has IPv4  has IPv6  ::  (time=0.000087)
pega.com                       has IPv4  has IPv6  ::  (time=0.000093)
univ-tlemcen.dz                has IPv4  has IPv6  ::1  (time=0.000114)