Private use of non-RFC1918 IP space

Mon Feb 2 20:19:18 UTC 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