Variable Length IP Subnet Mask (VLSM) Calculator

VLSM calculator is used to compute different subnet masks for the same IP network number.

Variable Length IP Subnet Mask (VLSM) Calculation

Enter the IP address(Eg:
Enter the Subnet Mask(Eg:
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Using this variable length subnet masking(VLSM), the network administrator is allowed to separate the Ip address spaces into subnets of varying sizes.

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