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Network and IP Address Calculator

Display network, broadcast, first and last given IP addresses

The network mask “bit format” is also known as the CIDR format (CIDR = Classless Inter-Domain Routing).

Subnet Mask Converter (Binary to Decimal Format)

Network/Node Calculator

Decimal Subnet Mask Reverser

Decimal Subnet Mask Converter

Calculate the bit complement of an IP address (reverse)

Network and IP Address Calculator

Default

Network ListNetwork 0.0.0.0, Subnet Mask 0.0.0.0"×

Network Host Broadcast Address
Start End
0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0
0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0
0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0
0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0

Subnet Mask Calculator Based on Host Count

TCP/IP Base Converter

Number of usable IP addresses converted from the mask

IP Multicast Address Range

All multicast addresses can be easily recognized because they begin with the bit pattern “1110”.

224.0.0.0 - 224.0.0.255 Well-known multicast addresses, control channel

224.0.1.0 - 238.255.255.255 Global multicast addresses (Internet multicast)

239.0.0.0 - 239.255.255.255 Local Multicast Address

Subnet Mask Calculator Introduction

LAN Planning Tools, Subnet Calculation and Division‌, Subnet Mask Conversion Between Number Systems‌, ‌IP Address Conversion Between Number Systems.

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