From: "Geo" 

some ISP's block icmp so you can't map their networks (aol loves to try and
prevent that) but the udp trace gets right past that. 

Geo.

"Frank Haber"  wrote in message
news:421f4616{at}w3.nls.net...
> Good grief, that r1ch's traceroute walks right through my ISP cranky
gateways,
> and gets responses from hops I never got a peep out of before.  And Adam
can
> just waltz over to Scarbourough Fair and meet the author, while picking up
his
> parsley, sage, rosemary, thyme and seawater in the face.
>

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