One of the companies I work for recently had an issue with AS 2 (University of 
Delaware) hijacking a prefix.  Due to Origin AS, good upstreams, and the like 
this has not really affected the traffic to the legit blocks.  However, GeoMind 
picked this up almost immediately it seems.  The IP blocks when you go to 
speedtest.net come back to the university of Delaware. This seems to be the 
only issue at the moment so we are working through contacting the peers of AS2 
and asking them to look into this.  We had also contacted University of 
Delaware.

Here is where the philosophy comes into play.  The very terse e-mail we 
received back was basically “As2 gets hijacked a lot and it’s not our problem”. 
So my question for the NANOG folks.  At what point do you say “it’s not your 
problem” when it involves your ASN?

Rant
I almost always have issues with GeoMind and others when it comes to IP space.  
Several of my folks have received allocations from Arin in March.  A few are 
still fighting with geolocation stuff with a few of the providers.  So why does 
GeoMind atomically accept a hijacked prefix as correct? All the right boxes 
have been ticked.  Origin Validiation, registry sets, etc.

Happy Friday! 



Justin Wilson
j...@mtin.net

—
https://j2sw.com - All things jsw (AS209109)
https://blog.j2sw.com - Podcast and Blog

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