Helios AS517. http://www.helios.de/cgi-bin/nph-trace.cgi

Online Now, Berlin AS5409. http://www.online-now.de/cgi-bin/nph-traceroute.cgi

Universität, Karlsruhe AS553. http://www-zorn.ira.uka.de/cgi-bin/trace.cgi

HanNet AS1275. http://baghira.han.de/cgi-bin/nph-trace.cgi

NRW-CSL AS5517. http://www.nrw.net/menue2/antraege/support/mylg.htm

SpaceNet, München AS5539. http://www.space.net/cgi-bin/webtrace

Schlund+Partner GmbH & Co AS8560. http://sites.inka.de/lina/tracer.html

carpeNet AS9083. http://www.debug.net/connectivity/

LF.Net AS12374. http://www.lf.net/cgi-bin/trace

Ministry of Education Taiwan AS1659 http://www.moe.gov.tw/tanet/diag/trace.cgi