It should be noted that Windows actually uses ICMP type 30 packets for it's traceroute function:

    ftp://ftp.iana.org/assignments/icmp-parameters/icmp-parameters.txt

where as most Unix systems use UDP port 33434 (I don't think it uses a range of ports.. just this one):

   ftp://ftp.iana.org/assignments/port-numbers


Ps.  Thanks for putting up that AMPR test portal Lynwood.. VERY helpful! 

--David