subnet question

Unanswered Question
Mar 17th, 2008

Hi all, can anyone tell me if this is right ?

What is the directed broadcast address for an IP network with default subnet mask?

the answer says is a class c address, how is this ? I thought that to are class c addresses ?

I have this problem too.
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mohammedmahmoud Mon, 03/17/2008 - 04:24

Hi, to is PRIVATE class C address space (according to RFC 1918), but to is the whole class C address space.


Mohammed Mahmoud.

jeff.velten Mon, 03/17/2008 - 08:00

If you check the link Joseph posted above, there's a table showing the ranges towards the bottom of the page.

Justin Brenton Tue, 03/18/2008 - 16:12

Hi Carl,

Class A - 1-126

Class B - 128-191

Class C - 192-223

Class D - Multicast - 224-239

Class E - Experimental - 240 - 255




pankaj_goyal Thu, 03/20/2008 - 22:51

Hello there

In classful addressing, the following are different classes and their address range:

Class A: -

Class B: -

Class C: -

Class D: - (used for multicasting)

Class E: - (used for scietific purposes)

The following address ranges are known as private address in their respective classes: - - -

(Private IP addresses are used by ISP's, enterprises for their internal network. They cannot be routed in public network. They have to be converted to a public IP address (addresses other than the private addresses) using NAT to access networks outside their private networks.)

The directed broadcast address for network with default subnet mask i.e. for class C is





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