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Subnet mask, subnet calculation division

Network and IP Address Calculator

Display network, broadcast, first and last given network address

The "bit format" in the netmask is also called the CIDR format (CIDR = Classless Inter-Domain Routing).

Subnet mask converter (bit divided decimal format)

Network/Node Calculator

Decimal subnet mask inverse calculator

Decimal subnet mask converter

The number of mask bits is calculated by bit-filling an IP address (inverse)

Network and IP Address Calculator

Default

Network listNetwork 0.0.0.0 ，Mask 0.0.0.0"×

Network Host Broadcast address
Start Finish
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

Calculate mask address translator by number of hosts

TCP/IP hexadecimal converter

Mask translation to the number of available addresses on the network

IP multicast address range

All multicast addresses can be easily recognized because they start with the parity pattern "1110".

224.0.0.0 - 224.0.0.255Well-known multicast address, control channel

224.0.1.0 - 238.255.255.255Global (Internet wide) multicast address

239.0.0.0 - 239.255.255.255Local multicast address

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