Private use of non-RFC1918 IP space

Nathan Ward nanog at daork.net
Mon Feb 2 14:19:18 CST 2009


On 3/02/2009, at 5:10 AM, Bruce Grobler wrote:

> Most ISP's, if not all, null route 1.0.0.0/8 therefore you shouldn't
> encounter any problems using it in a private network.


route-views.oregon-ix.net>sh ip bgp 1.0.0.0
BGP routing table entry for 0.0.0.0/0, version 3321685
...

I think you will find that "most ISPs, if not all" in the DFZ "null  
route" 0.0.0.0/0.

If they don't have a route covering 1.0.0.0/8, of course packets  
destined to that prefix will be dropped.

--
Nathan Ward





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