❦ 10 mars 2018 23:02 +0100, Vincent Bernat <bernat@luffy.cx> :

I am peering with Atlantic Metro at DE-CIX. Their IRR record is

"AS-AMC". I have noticed recently some invalid prefixes:

$ bgpq3 -4 -R 24 -m 24 -A -J -E AS-AMC

[...]

     route-filter 1.0.0.0/24 exact;

     route-filter 1.1.1.0/24 exact;

I didn't check which members of the macro pulled those prefixes (is

there an easy way to get where it comes from?) but I thought information

from IRR records were veted by RIR. It seems this is not the case. Is it

because some RIR don't check anything or just because there is no way to

secure such a macro? In this case, what is the best practice when

peering with such a transit provider?

Those two routes are from CloudFlare (just got it by luck):

http://irrexplorer.nlnog.net/search/AS13335

So ARIN doesn't check anything?
--
Don't just echo the code with comments - make every comment count.
           - The Elements of Programming Style (Kernighan & Plauger)


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