Addressing convention -

[Bob Goodwin - Zuni, Virginia, USA]

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

  


-- 

http://www.qrz.com/db/W2BOD

box7