NAT for an ISP

Mans Nilsson mansaxel at
Thu Jun 5 05:32:36 UTC 2003

Subject: NAT for an ISP Date: Wed, Jun 04, 2003 at 12:51:51PM -0700 Quoting Christopher J. Wolff (chris at
> Hello,
> I would like to know if any service providers have built their access
> networks out using private IP space.  It certainly would benefit the
> global IP pool but it may adversely affect users with special
> applications.  At any rate, it sounds like good fodder for a debate.

Those who use 1918 space are apparently not interested in communicating
with the Internet. I regard this as grossly off-topic for NANOG.

Granted; there might be some ratification for 1918 space in OOB or
control plane networks, but on customer-facing interfaces it is a
no-no, and should be discouraged with some vengeance.

If somebody were trying to sell me a NATed connection and calling
it "Internet connectivity" I'd talk to the proper government authority
about fradulent behaviour.

Måns Nilsson         Systems Specialist
+46 70 681 7204         KTHNOC

I want to perform cranial activities with Tuesday Weld!!
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