From firewalls-gc  Sun Jun 29 08:20:12 1997
From: Paul Ferguson <pferguso () cisco ! com>
Date: Sun, 29 Jun 1997 08:20:12 +0000
To: firewalls-gc
Subject: Re: Reserved IP addresses.
X-MARC-Message: https://marc.info/?l=firewalls-gc&m=87619465811108

Picking at nits: RFC1918 has long since replaced RFC1597.

- paul


At 10:21 AM 06/29/97 +0100, Magossa'nyi A'rpa'd wrote:

>
>From the rfc1597:
>
>   The Internet Assigned Numbers Authority (IANA) has reserved the
>   following three blocks of the IP address space for private networks:
>
>        10.0.0.0        -   10.255.255.255
>        172.16.0.0      -   172.31.255.255
>        192.168.0.0     -   192.168.255.255
>
>   We will refer to the first block as "24-bit block", the second as
>   "20-bit block, and to the third as "16-bit" block.  Note that the
>   first block is nothing but a single class A network number, while the
>   second block is a set of 16 contiguous class B network numbers, and
>   third block is a set of 255 contiguous class C network numbers.
>


--
Paul Ferguson                                           ||        ||
Consulting Engineering                                  ||        ||
Herndon, Virginia   USA                                ||||      ||||
tel: +1.703.397.5938                               ..:||||||:..:||||||:..
e-mail: pferguso@cisco.com                         c i s c o S y s t e m s