Addressing convention -
David
dgboles at gmail.com
Mon Jan 7 20:49:50 UTC 2013
On 1/7/2013 2:45 PM, Bob Goodwin - Zuni, Virginia, USA wrote:
> On 07/01/13 14:17, Reindl Harald wrote:
>>
>> Am 07.01.2013 20:05, schrieb Bruno Wolff III:
>>> On Mon, Jan 07, 2013 at 13:44:09 -0500,
>>> "Bob Goodwin - Zuni, Virginia, USA" <bobgoodwin at wildblue.net> wrote:
>>>> I know that I can enter 108.160.160.0/24 to block a range of
>>>> addresses but if I need to cover a much larger range can I do
>>>> 108.160.160.0-108.160.175.255 ? Or could I do 108.160.160/24 or
>>>> some similar notation?
>>> I think that would be 108.160.160.0/20
>> yes
>>
>> http://jodies.de/ipcalc
>>
>> Address: 108.160.160.0 01101100.10100000.1010 0000.00000000
>> Netmask: 255.255.240.0 = 20 11111111.11111111.1111 0000.00000000
>> Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
>> =>
>> Network: 108.160.160.0/20 01101100.10100000.1010 0000.00000000
>> (Class A)
>> Broadcast: 108.160.175.255 01101100.10100000.1010 1111.11111111
>> HostMin: 108.160.160.1 01101100.10100000.1010 0000.00000001
>> HostMax: 108.160.175.254 01101100.10100000.1010 1111.11111110
>> Hosts/Net: 4094
>>
>>
>>
> Thank you, I've saved that.
>
> http://jodies.de/ipcalc does indeed show that /20 is correct but I
> don't see a way to arrive at that using that application except by
> trial and error?
>
> Bob
Someone using Dropbox?
<http://www.networksolutions.com/whois/results.jsp?ip=108.160.160.0>
--
David
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