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North American Network Operators Group

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RFC1918 conformance

  • From: Pierre Thibaudeau
  • Date: Mon Feb 10 17:37:22 1997

As specified in RFC1918 (ftp://ds.internic.net/rfc/rfc1918.txt) the
netblocks 10.0.0.0/16, 172.16.0.0/12 and 192.168.0.0/16 have been
allocated for "Private Internets". Consequently, these netblocks 
should not be routed over the Internet.

As shown below, they are currently advertised from AS6848 and these
advertisements are carried to us (AS6453) through various AS's of the
SprintLink system. 

>sh ip bgp reg _6846$
BGP table version is 9335417, local router ID is 207.45.201.5
Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop          Metric LocPrf Weight Path
*> 10.0.0.0         144.228.164.57         0     90      0 1794 1239 1790 6846 ?
*> 172.16.0.0/12    144.228.164.57         0     90      0 1794 1239 1790 6846 ?
*> 192.168.0.0/16   144.228.164.57         0     90      0 1794 1239 1790 6846 ?
[...]

AS6846 responsibles should take immediate action to remove these
announcements. SprintLink, as any conscientious operator, should take
action to filter out these announcements from any of its peers. 

Regards.
__

Pierre Thibaudeau                     |   e-mail: <prt@Teleglobe.CA>
TELEGLOBE CANADA                      |
1000, rue de La Gauchetiere ouest     |      Tel: +1-514-868-7257
Montreal, QC   H3B 4X5                |
Canada                                |      fax: +1-514-868-8446





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