Subnet Calculator(IPv4)
Class: CIDR/All  A B C
IP Address
Mask Bits
Class
IP Hex
Subnet Mask
Network Address
Broadcast Address
Subnet Bits
Max Subnets
Host Bits
Max Hosts per subnet
Full Subnet Address Range
Host Address Range
Host IP Bitmap
Network Address(Subnet) Bitmap
Mask Bitmap
Broadcast Bitmap

Range(IPv4):
  • Class A: 1 - 126
  • Class B: 128 - 191
  • Class C: 192 - 223
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