troubleshooting Question

Class A subnetting Question

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governor_arnoldFlag for United States of America asked on
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We are currently using the address block of /23 on our local network. Unfortunately for us we are now out of address and we need to re-subnet our network. Is it possible to use a new block starting at /22? I used an online subnet calculator and it said that i had to start at and end at in order to use the range. It would be best for me if i could use a new range that would encompass the and numbers as we have nearly 150 networked printers and numerous switches and servers.

Also, we can't use any IP's higher that because we have an IP phone system that uses and up.

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