[92285] in North American Network Operators' Group

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Re: [Fwd: Kremen VS Arin Antitrust Lawsuit - Anyone have feedback?]

daemon@ATHENA.MIT.EDU (Stephane Bortzmeyer)
Wed Sep 13 11:54:02 2006

Date: Wed, 13 Sep 2006 17:53:04 +0200
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: "D'Arcy J.M. Cain" <darcy@druid.net>
Cc: David Conrad <drc@virtualized.org>, fred@cisco.com,
	nanog@merit.edu
In-Reply-To: <20060913114336.d6ea2dd3.darcy@druid.net>
Errors-To: owner-nanog@merit.edu


On Wed, Sep 13, 2006 at 11:43:36AM -0400,
 D'Arcy J.M. Cain <darcy@druid.net> wrote 
 a message of 20 lines which said:

> No one knows me by my IP address.  They know me by my email
> address(es).

It does not seem true. IP addresses are visible outside in:

* DNS servers when you get a zone delegation (the most important
  reason why changing IP addresses is a pain),
* some peer-to-peer networks like Freenet, which do not use the DNS.

(There are also a lof of internal uses of IP addresses for instance in
firewalls and SSH caches.)

So, you actually have:

1) Phone numbers (very visible outside)
2) IP addresses (visible outside)
3) MAC addresses (completely invisible outside except for a few
   minutes in the ARP caches)

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