TCP/IP subnet mask calculation and conversion

Network and IP Address Calculator

IP/Subnet mask bits: . . . /
Available address:
Mask: . . .
Internet: . . .
First available: . . .
Last available: . . .
Broadcast: . . .

Display network, broadcast, first and last given IP addresses in "subnet mask format," also known as CIDR format (CIDR = Classless Inter-Domain Routing).

Subnet mask converter (for binary in decimal format)

. . . Result:

Subnet mask converter (site divided in decimal format)

Mask:
Decimal: . . .
Hexadecimal: . . .

Required quantity address converter mask

Number of addresses required:
Mask: dotted dec.
Mask: . . .
Available quantity:

IP address decimal to binary and hexadecimal conversion

. . .
Binary: . . .
Hexadecimal: . . .

Convert a hexadecimal mask to a dotted decimal IP address

Decimal point notation: . . .
Binary: . . .

Invert the bitwise complement of an IP address

. . .
. . .

The number of network addresses derived from the mask conversion.

Mask:
Number of available addresses:
Total Address Count:
Decimal point notation . . .

Network and IP Address Calculator

Input IP/TCP Network type Subnet IP quota Node/Host
Network type
Subnet mask or
subnet
Node/Host

网络列表 Network: 0.0.0.0, mask 0.0.0.0 ×

Through the number of hosts to calculate the subnet mask converter

Required quantity
Mask dotted decimal mask
Available quantity

TCP/IP Hexadecimal Converter

Dot notation decimal
or binary
OR hexadecimal
Or decimal

The number of network addresses derived from the mask conversion.

Mask
Available address quantity Total available amount
Decimal point

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