Does the United States Department of Defense (DoD) Monitor their prefixes?

Posted by Andree Toonk - September 9, 2009 - Uncategorized - 1 Comment

Ok, ok… It happens all the time, people leaking private ASN’s. But this one caught my attention. It seems that the US Department of defense (DoD) is leaking a private ASN  65401 for their prefixes 140.21.18.0/23 and 140.21.15.0/24. These prefixes are normally announced by AS5802 but now appear to be originating from the private AS 65401.

The reason that this caught my attention is that although leaks like this happen all the time in general they appear to happen by the less clueful. The DoD I think should not be considered in this category.  However this ‘leak’  has been happening for a few weeks (starting 2009-08-27).  This leads me to believe that the DoD does not monitor their own announcements…. Maybe they should open a BGPmon.net account? ;)

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