IP addresses and Subnetting

cHrIstInA_YY — Tue, 17 Apr 2007 17:39:54 +0800

Any pro here kind 2 share da formula / method of calculating da questions below? I juz need 2 find out da ways of getting the answer. Thx

Network = 100.0.0.0
The number of subnets needed = 4000
The number of required subnet bits = ?

Network = 100.0.0.0
The number of hosts needed per subnet = 1000
The number of required host bits = ?

Network = 100.0.0.0
Required subnet bits = 12
The mask that supports the required subnets = ?

Network = 100.0.0.0
Required host bits = 12
The mask that supports the required number of hosts per subnet = ?

IP address = 100.1.2.3
Mask = /24
Network address = ?
Broadcast address of the network = ?
The number of host addresses = ?

IP addresses starting at 172.16.0.0.
Min no. of hosts = 4000
Subnet address = ?
Mask = ?
Broadcast address = ?
First host address = ?
Last host address = ?

VB Pro needed here... help again!

cHrIstInA_YY — Wed, 19 Jul 2006 01:58:47 +0800

Hi, any1 here know what VB function shld i use in order to convert 1 to 0001
or 2 to 0000002? how to set the number of "0" in front"

example :
user key in : 33
program display : 000033

sum1 plz gimme an idea....with an example if possible

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IP addresses and Subnetting

VB Pro needed here... help again!