Network and IP address calculator

Enter an IP in "IP/maskBits" (CIDR) or "IP dottedDecimalMask" format and press calculate (examples: 10.0.0.5/24 or 10.0.0.5 255.255.255.0)

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IP/Netmask:


result:
Usable addresses:
Mask: =
Mask as hex:
Network:
First usable:
Last usable:
Broadcast:


© Guido Socher