IP Calculator

A fully functional IPv4 Calculator. An invaluable tool for support engineers when planning networks, configuring firewall rules or managing IPv4 networks.

Subnet Mask Calculator TCP/IP Network Address: Force Class: Default Class A Class B Class C Number of Subnets: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 OR number of IPs per network: 2 6 14 30 62 126 254 510 1022 2046 4094 8190 16382 32766 65534 131070 262142 524286 1048574 2097150 4194302 8388606 16777214 33554430 67108862 134217726 268435454 536870910 1073741822 Network Class: Subnet Mask: or Number of Subnets: IPs per network: Network/Node Calculator Subnet Mask: TCP/IP Network Address: Network: Node/Host Address: Broadcast Address: IP Address Converter Dotted Decimal TCP/IP Address: OR Decimal TCP/IP Address: