On the qmail list [EMAIL PROTECTED] wrote:
>>The address ranges reserved for private network addressing are listed in
>>RFC 1918 as:
>>
>>A 10.0.0.0 - 10.255.255.255
>>B 172.16.0.0 - 172.31.255.255
>>B 192.168.0.0 - 192.168.255.255
No, that *is* a C on that last line.
>Thanks for correcting me. Somehow I got confused, perhaps by something
>I read, that the 192.168.0.0 was a class C, not B, space reserved
>for unconnected networks. (Maybe that used to be the case and I was
>looking at old docs, but never mind!)
No, it is class C namespace, but it is not *a* class C.
192.168.0.* is a class C, 192.168.13.* is a class C, and
192.168.*.* is 256 class C networks.
A class A is xxx.*.*.*
A class B is xxx.xxx.*.*
A class C is xxx.xxx.xxx.*
BUT THE REVERSE IS NOT TRUE.
If you don't understand, don't worry too much, today you almost
never have to make a distinction between classes A, B, and C.
Just don't mention them, and talk of /8, /16, and /24, which
represent any network having an address space respectively like
a class A, B, and C.
If you are interested, read the original RFCs on IP numbers.
--
#include <std_disclaim.h> Lorens Kockum
