Understanding IP class range.

[Keith Smith]

Thanks Kevin!!

Is there a name for this type of notation?



On 2015-08-30 20:58, Kevin Fries wrote:
> IP addresses follow classes out of tradition.  Take the first octet,
> and convert it to binary.  If it starts with a:
> 
> 1, its a class E, which was never actually used.
>  01, is class D, and is for multicast broadcasts.
>  001 is class C, or /24, 255.255.256.0
>  0001 is class B, or /16, 255.255.0.0
>  And 0000 is class A, or /8, 255.0.0.0
> 
> Hope this helps.
> 
> Kevin
> On Aug 30, 2015 9:47 PM, "Keith Smith" <techlists at phpcoderusa.com>
> wrote:
> 
>> Hi,
>> 
>> Occasionally I see something like 192.168.0.0/24 [1]. The reference
>> I am looking at now refers to the 24 as the class range. Is it
>> actually the subnet?
>> 
>> How do I convert this into the two IP's that make up the range?
>> 
>> Thanks in advance for your help!!
>> Keith
>> 
>> --
>> Keith Smith
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> 
> 
> Links:
> ------
> [1] http://192.168.0.0/24
> [2] http://lists.phxlinux.org/mailman/listinfo/plug-discuss
> 
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-- 
Keith Smith