• www.sco.com Jan '04: eps pdf png dot
  The destination does not respond to traceroute, so the tree ends in a 'trunk' of IP addresses followed by +'s. These represent unresponsive routers or hosts that follow an IP address. This was a tree requested through the rpt script by someone else.
• USITS '03: eps pdf png dot
• NANOG 26: eps pdf png dot
  
• Google: eps pdf png dot
  note, www.google.com may resolve to different addresses in different places.
• E Root Nameserver: eps pdf png dot
  The destination does not respond to traceroute, making the tree a forest. This was a tree requested through the rpt script by someone else.
• University of Washington: eps pdf png dot
  

Please send comments, bug reports, and questions to nspring@cs.umd.edu. Thanks.

This script is supposed to work, but I don't keep a close eye on it and sometimes it breaks because machines are rebooted or software is upgraded, so if your request is not filled, please do drop me a note.