Network and IP Address Calculator

Displays the network, broadcast, first, and last addresses of the given network.

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

Subnet Mask Converter (Bit Point Decimal Format)

Network/Node Calculator

Decimal Subnet Mask Inverse Calculator

Decimal Subnet Mask Converter

Calculate Inverted IP Address

Network and IP Address Calculator

Host Count to Subnet Mask Converter

TCP/IP Base Converter

Subnet Mask to Usable Address Count

IP Multicast Address Range

All multicast addresses can be easily recognized by the bit pattern "1110" that begins them.

224.0.0.0 - 224.0.0.255 Known Multicast Addresses, Control Channel

224.0.1.0 - 238.255.255.255 Global (Internet-wide) Multicast Addresses

239.0.0.0 - 239.255.255.255 Local Multicast Addresses

Subnet Mask Calculator Introduction

LAN planning tool, subnet calculation and division, conversion of subnet mask representations in various numeral systems, and conversion of IP address representations in various numeral systems.

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