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Simple IP Calculator

This is one of the more straightforward and faster subnet calculators, giving you a complete list of information concerning an IP address and Subnet Mask, including the Network and Host address size.

Enter IP Address and Subnet Mask

IP Address Subnet Mask


Start Host Address End Host Address

Network Address Broadcast Address

Max Hosts Class CIDR Bits | Host Address Size Bits

Additional Information

© Andy Povey. Thanks to Andy Povey for developing and providing the source code for this subnet calculator.

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