North American Network Operators Group

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  • From: Randy Bush
  • Date: Wed Feb 25 00:57:17 2004

> I have previously contacted Swisscom about it back in 9/2003 and
> received the following response:
>> we are filtering on RIR minimal allocation boundaries. This
>> creates some routing holes which we fill by these semi-default
>> routes (towards our upstreams) for our customers' perusal.

luckily, things like this are never leaked into the open internet
by multi-homed customers and weak filtering policies.