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BGP table in Cisco IOS

Posted on 2003-11-30
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Last Modified: 2012-05-04
Hi!

Problaby this question is lame, but anyway...

Here is some entries from Cisco IOS routing table:
*  16.0.0.0/12      146.188.x.x                           0 702 8220 1889 1889 i
*>i                 193.156.x.x            5    100      0 8220 1889 1889 i
*> 16.0.0.0         146.188.x.x                           0 702 701 33 i

For the first enrty '16.0.0.0/12' network mask is clear -> 12, but for third entry threr is no mask.
So the question is, How wide is network portion of IP address if no network mask specified?

thanks in advance.
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Question by:shifted
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lrmoore earned 50 total points
ID: 9849450
I would say it is the classful default. Since 16.x.x.x is class A, then the default /8
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