[15136] in North American Network Operators' Group

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ISPs Blocking Private Addresses?

daemon@ATHENA.MIT.EDU (Peter Ford)
Sun Feb 8 17:19:05 1998

From: Peter Ford <peterf@microsoft.com>
To: "'nanog@merit.edu'" <nanog@merit.edu>
Date: Sun, 8 Feb 1998 14:10:15 -0800 


Do most ISPs explicitly block private IP addresses (e.g. 10.X.X.X) at their
borders?

Do the "default-less" ISPs filter private addresses or do they let
routing/forwarding do the work?

thanks, peter

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