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Date:      Mon, 5 Mar 2012 19:14:17 -0800
From:      Michael Sierchio <kudzu@tenebras.com>
To:        Tim Kellers <wallnet@smsdesign.org>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: semi OT: correct CIDR block?
Message-ID:  <CAHu1Y70iP8sSa32wgRW0WwG2=wcAdiju6ryNxRqUmEVpTXSWCw@mail.gmail.com>
In-Reply-To: <4F54D30D.9000203@smsdesign.org>
References:  <20308.52713.516369.307097@jerusalem.litteratus.org> <4F54D30D.9000203@smsdesign.org>

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ipsc, from packages or ports, is very useful.

> ipsc -gch 10.0.0.32/27
Network class:            A
Network mask:             255.0.0.0
Network mask (hex):       FF000000
Network address:          10.0.0.32
Subnet bits:              19
Max subnets:              524288
Full subnet mask:         255.255.255.224
Full subnet mask (hex):   FFFFFFE0
Host bits:                5
Hosts per subnet:         32
Bit map:                  nnnnnnnn.ssssssss.ssssssss.ssshhhhh

IP address:               10.0.0.32
Hexadecimal IP address:   A000020
Address allocation range: 10.0.0.32  - 10.0.0.63
Full subnet mask:         255.255.255.224
Subnet mask:              0.255.255.224
Subnet ID:                0.0.0.32
Network ID:               10.0.0.0
Host ID:                  0.0.0.32

Cisco Wildcard:           0.0.0.31
CIDR notation:            10.0.0.0  /27
Route/Mask:               10.0.0.0   / 255.255.255.224
Hexadecimal route/mask:   A000000    / FFFFFFE0
Supernet max:             0

On Mon, Mar 5, 2012 at 6:51 AM, Tim Kellers <wallnet@smsdesign.org> wrote:

> On 03/05/12 09:30, Robert Huff wrote:
>
>>        With my brain still on EBADSLEEP, I cannot decide if:
>>
>>        10.0.0.32-10.0.0.63
>>
>>        is correctly described by:
>>
>>        10.0.0.32/27
>>
>>        Anyone?  Please?
>>
>>
>>                                Robert Huff
>>
>> ______________________________**_________________
>> freebsd-questions@freebsd.org mailing list
>> http://lists.freebsd.org/**mailman/listinfo/freebsd-**questions<http://lists.freebsd.org/mailman/listinfo/freebsd-questions>;
>> To unsubscribe, send any mail to "freebsd-questions-**
>> unsubscribe@freebsd.org <freebsd-questions-unsubscribe@freebsd.org>"
>>
>
>   Network = 10.0.0.32
> Usable IPs = 10.0.0.33 to 10.0.0.62 for 30
>  Broadcast = 10.0.0.63
>   Netmask = 255.255.255.224
> Wildcard Mask = 0.0.0.31
>
>
>
> Looks pretty good to me.
>
> Tim Kellers
>
>
> ______________________________**_________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/**mailman/listinfo/freebsd-**questions<http://lists.freebsd.org/mailman/listinfo/freebsd-questions>;
> To unsubscribe, send any mail to "freebsd-questions-**
> unsubscribe@freebsd.org <freebsd-questions-unsubscribe@freebsd.org>"
>



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