Locations to ping (sometimes comes in handy to have a list of
servers in different countries to measure pingtimes).

 Location         Host            IPv4             IPv6
NL-South        lucb1e.com      83.161.210.237   2001:980:1f44::1
NL-Amsterdam    hostnet.nl      91.184.8.50
US-California   ucla.edu        169.232.33.241
US-Eastcoast    mancubus.net    76.74.252.88
NZ-New Zealand  ns1.dns.net.nz  202.46.190.130   2001:dce:2000:2::130
AR-Buenos Aires                 201.234.105.130
PT-Lissabon     glass.cprm.net  195.8.0.126