Dr. Mark Humphrys

School of Computing. Dublin City University.

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My big idea: Ancient Brain


CA216      CA249      CA318

CA400      CA651      CA668

  How to find your IP address

Do lookups online

Network tools

Linux / UNIX


Look up who owns yahoo.com
Look up who owns the "typo" yahooo.com
What is the smallest number of o's before someone outside Yahoo owns the domain?
What is the smallest number of o's before no one owns the domain?
See Typosquatting



Visual TraceRoute using Google Maps.
Does trace from US server outwards.
Transatlantic link may be ocean floor cable or may be satellite.

Feeds      w2mind.org      ancientbrain.com

On the Internet since 1987.