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Re: Reserved Network Numbers

  • From: Lee Howard
  • Date: Tue Mar 25 11:31:46 1997

The following should be attributed to Geoff White:
> 
> 
> Now for a brief excursion into the totally mundane.
> Can anyone point me to the internet-draft/RFC that
> specifies the "reserverd networks" (i.e. the class A,B, & C [sic]
> network numbers that are considered "safe" (no-one should be routing them)
> to use as test/intranet/private IP networks?
> 
> I need to know all of the numbers, i.e. I believe 10.0.0.0 is the class A
> component of the list.
> 
> Thanks in advance.
> 
> 
> 						Geoff White
> 						Virtual Sites
> 
http://ds.internic.net/ds/rfc-index.html
Specifically, RFC 1918,
specifically, 
   The Internet Assigned Numbers Authority (IANA) has reserved the
   following three blocks of the IP address space for private internets:

     10.0.0.0        -   10.255.255.255  (10/8 prefix)
     172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
     192.168.0.0     -   192.168.255.255 (192.168/16 prefix)

Lee

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