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IP address notation

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Ron

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Jan 28, 2013, 1:37:08 PM1/28/13
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I've seen notation such as 127.0.0.0/8 but don't know what it means.
What's the number after the slash?

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Ron, the humblest guy in town

Lew Pitcher

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Jan 28, 2013, 1:52:30 PM1/28/13
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On Monday 28 January 2013 13:37, in comp.dcom.lans.ethernet,
RonT...@null.invalid wrote:

> I've seen notation such as 127.0.0.0/8 but don't know what it means.
> What's the number after the slash?

The number after the slash is the number of 1-bits that make up the netmask.

In your example, the netmask for 127.0.0.0/8 is
11111111.00000000.00000000.00000000
(255.0.0.0)


HTH
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Lew Pitcher
"In Skills, We Trust"

Rod Dorman

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Jan 28, 2013, 2:48:20 PM1/28/13
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In article <1kxelg2.1rj1v786kath8N%RonT...@null.invalid>,
Ron <RonT...@null.invalid> wrote:
>I've seen notation such as 127.0.0.0/8 but don't know what it means.
>What's the number after the slash?

http://en.wikipedia.org/wiki/CIDR_notation

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-- Rod --
rodd(at)polylogics(dot)com

Ron

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Jan 28, 2013, 6:47:37 PM1/28/13
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Thanks, Lew & Rod!
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