Rogers Canada using for internal address space

Jimmy Hess mysidia at
Tue May 24 04:36:24 UTC 2011

On Mon, May 23, 2011 at 11:09 PM, Patrick W. Gilmore <patrick at> wrote:
> If they do, any Rogers customer who wants to talk to it is screwed.  Whether they have a 7 addy or not, Rogers' routers will not let the packet leave Rogers' borders.

That could depend on whether Rogers' border routers are adequately configured
to block/filter the announcement,  and whether  whatever the DoD  chose to
announce was a longer prefix than what  Rogers' equipment had
routes/controls for.

In theory;  there exists a possibility that the DoD could announce a
/24  of something
Rogers'  was internally routing as a /16,  then if unfiltered the DoD
announce could win,
causing internal (self-inflicted) issues for Rogers.

The DoD could also eventually use the 7 range for something, resulting
in complaints to Rogers
from users who seem unable to reach (some web site placed in 7/8).

Unofficial use of other organization's IP address space is playing with fire.

It may mark the symbolic start of a new IPv4,  where eventually
many /8s will have tons of unofficial claimaints,  and whoever
threatens more, pays the major providers more, or has more lawyers
(take your pick),  gets their announcement more widely propagated.

Sometimes if enough players start playing with fire, a really bad,
uncontrollable inferno eventually gets ignited.

> patrick

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