Used to run shareware 3D Traceroute and thought it was only shareware.
Recently got freeware version. Runs well. Recommended. It's one to keep.
Summary of blurb: Visual display of Internet traceroute/whois/nslookup
with statistics. Long period Ping and HTTP monitor. Record and playback
traces step by step. ASN inspector. NSLookup with UDP and TCP. Day + Night
trace. etc
Freeware beta (June 2008) or non-beta (April 2008) versions available.
http://www.d3tr.de/