[nsp-sec] Bogon feed

Hank Nussbacher hank at efes.iucc.ac.il
Thu Mar 11 03:26:32 EST 2010


At 08:22 11/03/2010 +0100, Jan Boogman wrote:
>----------- nsp-security Confidential --------
>
>Hi Hank
>
>I receive a total 30 bogon prefixes, including 172.16/12:

Ignore.  Local ACL.  Now to figure out why it was applied.

-Hank


>i79zhh-020#sh ip b nei 68.22.187.24 received-routes
>BGP table version is 50124867, local router ID is 164.128.32.11
>Status codes: s suppressed, d damped, h history, * valid, > best, i - 
>internal,
>               r RIB-failure, S Stale
>Origin codes: i - IGP, e - EGP, ? - incomplete
>
>    Network          Next Hop            Metric LocPrf Weight Path
>*  5.0.0.0          68.22.187.24             0             0 65333 i
>*  10.0.0.0         68.22.187.24             0             0 65333 i
>*  14.0.0.0         68.22.187.24             0             0 65333 i
>*  23.0.0.0         68.22.187.24             0             0 65333 i
>*  31.0.0.0         68.22.187.24             0             0 65333 i
>*  36.0.0.0         68.22.187.24             0             0 65333 i
>*  37.0.0.0         68.22.187.24             0             0 65333 i
>*  39.0.0.0         68.22.187.24             0             0 65333 i
>*  42.0.0.0         68.22.187.24             0             0 65333 i
>*  49.0.0.0         68.22.187.24             0             0 65333 i
>*  100.0.0.0        68.22.187.24             0             0 65333 i
>*  101.0.0.0        68.22.187.24             0             0 65333 i
>*  102.0.0.0        68.22.187.24             0             0 65333 i
>*  103.0.0.0        68.22.187.24             0             0 65333 i
>*  104.0.0.0        68.22.187.24             0             0 65333 i
>*  105.0.0.0        68.22.187.24             0             0 65333 i
>*  106.0.0.0        68.22.187.24             0             0 65333 i
>*  169.254.0.0      68.22.187.24             0             0 65333 i
>*  172.16.0.0/12    68.22.187.24             0             0 65333 i
>*  176.0.0.0/8      68.22.187.24             0             0 65333 i
>*  177.0.0.0/8      68.22.187.24             0             0 65333 i
>*  179.0.0.0/8      68.22.187.24             0             0 65333 i
>*  181.0.0.0/8      68.22.187.24             0             0 65333 i
>*  185.0.0.0/8      68.22.187.24             0             0 65333 i
>*  192.0.2.0        68.22.187.24             0             0 65333 i
>*  192.168.0.0/16   68.22.187.24             0             0 65333 i
>*  198.18.0.0/15    68.22.187.24             0             0 65333 i
>*  198.51.100.0     68.22.187.24             0             0 65333 i
>*  203.0.113.0      68.22.187.24             0             0 65333 i
>*  223.0.0.0/8      68.22.187.24             0             0 65333 i
>
>Total number of prefixes 30
>
>Cheers
>Jan
>
>Am 11.03.2010 um 06:53 schrieb Hank Nussbacher:
>
> > ----------- nsp-security Confidential --------
> >
> > I am looking at:
> > http://www.cymru.com/Documents/bogon-bn-agg.txt
> >
> > Yet on my feed I am missing an important Bogon:
> >
> > gp1#sho ip bgp nei 68.22.187.24 routes
> > BGP table version is 3248463, local router ID is 128.139.220.90
> > Status codes: s suppressed, d damped, h history, * valid, > best, i - 
> internal,
> >              S Stale
> > Origin codes: i - IGP, e - EGP, ? - incomplete
> >
> >   Network          Next Hop            Metric LocPrf Weight Path
> > *> 5.0.0.0          68.22.187.24             0             0 65333 i
> > *> 10.0.0.0         68.22.187.24             0             0 65333 i
> > *> 14.0.0.0         68.22.187.24             0             0 65333 i
> > *> 23.0.0.0         68.22.187.24             0             0 65333 i
> > *> 31.0.0.0         68.22.187.24             0             0 65333 i
> > *> 36.0.0.0         68.22.187.24             0             0 65333 i
> > *> 37.0.0.0         68.22.187.24             0             0 65333 i
> > *> 39.0.0.0         68.22.187.24             0             0 65333 i
> > *> 42.0.0.0         68.22.187.24             0             0 65333 i
> > *> 49.0.0.0         68.22.187.24             0             0 65333 i
> > *> 100.0.0.0        68.22.187.24             0             0 65333 i
> > *> 101.0.0.0        68.22.187.24             0             0 65333 i
> > *> 102.0.0.0        68.22.187.24             0             0 65333 i
> > *> 103.0.0.0        68.22.187.24             0             0 65333 i
> > *> 104.0.0.0        68.22.187.24             0             0 65333 i
> > *> 105.0.0.0        68.22.187.24             0             0 65333 i
> > *> 106.0.0.0        68.22.187.24             0             0 65333 i
> > *> 169.254.0.0      68.22.187.24             0             0 65333 i
> > *> 176.0.0.0/8      68.22.187.24             0             0 65333 i
> > *> 177.0.0.0/8      68.22.187.24             0             0 65333 i
> > *> 179.0.0.0/8      68.22.187.24             0             0 65333 i
> > *> 181.0.0.0/8      68.22.187.24             0             0 65333 i
> > *> 185.0.0.0/8      68.22.187.24             0             0 65333 i
> > *> 192.0.2.0        68.22.187.24             0             0 65333 i
> > *> 192.168.0.0/16   68.22.187.24             0             0 65333 i
> > *> 198.18.0.0/15    68.22.187.24             0             0 65333 i
> > *> 198.51.100.0     68.22.187.24             0             0 65333 i
> > *> 203.0.113.0      68.22.187.24             0             0 65333 i
> >   Network          Next Hop            Metric LocPrf Weight Path
> > *> 223.0.0.0/8      68.22.187.24             0             0 65333 i
> >
> > Total number of prefixes 29
> >
> > I see that RFC1918: 172.16.0.0/12 is missing.  Is this only me?
> >
> > I also note that based on:
> > http://www.cymru.com/Documents/bogon-list.html
> > the prefixes from change 1.9 that were added in April 2003 have been 
> silently removed from the list since IANA has allocated them but this 
> page has not been updated as to that fact.
> >
> > Regards,
> > Hank
> >
> >
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> >
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> > _______________________________________________
>
>---
>Jan Boogman - CCIE#7345
>Swisscom - IP-Plus Internet Services - AS3303
>boogman at ip-plus.net - +41 31 342 39 35
>INOC-DBA 3303*JAN
>
>
>
>
>
>
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