[vox-tech] traceroute peculiarities

[Jeff Newmiller]

On Wed, 3 Dec 2003, Marc Elliot Hall wrote:

[...]

> Is it *NORMAL* for traceroute to discover the same IP for multiple hops? 
> Obviously, the '!X' on hops 15-16,22,26-27 means that Verisign doesn't 
> *WANT* me to know about their internal network topology... But shouldn't 
> the IP addresses be different?

They may be using private IP addresses and NATing them out.  There _are_
RFCs that prohibit propagating private ip addresses outside your internal
network.

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