private vs. public IP addresses

Charles Hallenbeck chuckh at hhs48.com
Fri Jul 14 13:26:20 EDT 2006


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Another keeper. Many thanks.

On Fri, Jul 14, 2006 at 01:22:25PM -0400, Sina Bahram wrote:
> No, the restricted ranges are only
> 
> Class A:
> 10.0.0.0 to 10.255.255.255
>  
> Class b:
> 172.16.0.0 to 172.31.255.255
> 
> Class C:
> 192.168.0.0 to 192.168.255.255
> 
> Class D: for multicast
> 
> 224.0.0.0 to 239.255.255.255
> 
> Class E: reserved for experimental use
> 
>         224.0.0.0 - 239.255.255.255
> 
> And the APIPA ... Automatic private ip address:
> 
> 169.254.0.0 to 169.254.255.255
> 
> And then there's obviously specific IP's like 0.0.0.0, 127.0.0.1,
> 255.255.255.255, and so forth.
> 
> Actually, note that 0.0.0.0 to 0.255.255.255 isn't allocated
> 
> And also note that 127.0.0.0 to 127.255.255.255 is reserved for loop back.
> Not just 127.0.0.1.
> 
> Take care,
> Sina
> 
> -----Original Message-----
> From: speakup-bounces at braille.uwo.ca [mailto:speakup-bounces at braille.uwo.ca]
> On Behalf Of Charles Hallenbeck
> Sent: Friday, July 14, 2006 12:04 PM
> To: Speakup is a screen review system for Linux.
> Subject: private vs. public IP addresses
> 
> I was intrigued by the discussion of Tyler's IP address issue. I know about
> the 10.X range, and the 192.168.X range, and I seem to recall that there are
> other restricted ranges. Is one of them a 72.X range? I am having a bit of
> an issue right now with a user whose ISP hands him a dynamic address
> starting with 72, and wonder if it might be a restricted IP address.
> 
> 
> --
> The Moon is Waning Gibbous (83% of Full) Get downloads from
> http://www.mhcable.com/~chuckh
>   and remember, INFORMATION WANTS TO BE FREE!
> 
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> 
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- -- 
The Moon is Waning Gibbous (83% of Full)
Get downloads from http://www.mhcable.com/~chuckh
  and remember, INFORMATION WANTS TO BE FREE!
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