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IP Subnet Calculator

Calculate IP subnets, ranges, and network information

IP Subnet Calculator

Calculate IP subnets, ranges, and network information

ℹī¸ About IP Subnetting

  • Subnet mask can be entered as dotted decimal (255.255.255.0) or CIDR (/24)
  • Network address is the first IP in the subnet
  • Broadcast address is the last IP in the subnet
  • Usable IPs = Total IPs - 2 (network & broadcast addresses)
  • Wildcard mask is the inverse of subnet mask

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