Esoteric Stuff
Internet Request For Comments (RFC)
White papers on various internet protocols.
XDR: External Data Representation Standard (rfc1014)
Something of a definition of XDR
The Geography of Cyberspace Directory - Internet Traffic and Demographic Statistics
A variety of WWW & internet statistics, including the diameter of the Web (estimated to be 19 links between any 2 pages) and Measuring Searching engine coverage.