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IP Subnet Mask

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Name: brian.pro
Date: November 10, 2006 at 16:07:50 Pacific
OS: XP Pro
CPU/Ram: P4 3.0GHz/2GB DDR
Comment:

Hi,

Newbie question,lets say I have a subnet mask of 255.255.255.0 ,and an IP 149.153.*.*,how would I work out the range of IP addesses in the subnet.This is part of a college lab experiment,we were to note the different subnets from different parts of the college campus and work out the subnet ranges.

Thanks



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Response Number 1
Name: vipergg
Date: November 10, 2006 at 17:14:41 Pacific
Reply:

The mask is on the 3rd field so your subnets will be on the 3rd octet , 149.98.3.0 ,149.98.4.0 , 149.98.5.0 etcccccccc ...
so addresses would be 149.98.3.1 -149.98.3.254 , with 255 broadcast , the rest would be the same 149.98.4.1-254 and so on and so forth .



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Response Number 2
Name: picohat
Date: November 11, 2006 at 23:04:24 Pacific
Reply:

Check this simple subneting article to have better understanding:

http://www.home-network-help.com/ip...



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Response Number 3
Name: brian.pro
Date: November 16, 2006 at 02:53:54 Pacific
Reply:

Sorry for replying late,thanks to both of you for your help,and thanks very much for the link..much appreciated :-)


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Response Number 4
Name: brian.pro
Date: November 16, 2006 at 13:12:07 Pacific
Reply:

From reading the link you provided,and doing some calculations I came up with the following,can someone tell me if im in the right direction or not...thanks

IP - 149.153.105.67
Netmask - 255.255.255.0

Subnet Host range address - 149.153.105.1 - 149.153.105.255

max hosts for subnet mask 255.255.255.0 =254
max subnets 256

(im finishing my report which is due for the morning.)



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