IP Subnet Calculator (Industrial Ethernet)

Plan subnet boundaries, network addresses, and node pools for PROFINET, EtherNet/IP, and Modbus TCP setups.

Purpose of this Tool: Analyze node boundaries to prevent network routing clashes between plant LAN networks.

• Subnet Host Sizing Range:\text{Usable Hosts} = 2^{(32 - \text{CIDR})} - 2

Target IP Address

CIDR Subnet Mask

Subnet Mask255.255.255.0

Network Address192.168.1.0

Ethernet Subnet Results

Usable Host IP Range192.168.1.1 to 192.168.1.254

IP Pool

Broadcast Address192.168.1.255

Broadcast

Total Usable Host Pool254

Nodes count

Generates a formal executive feasibility proposal page ready for management sign-off & signatures.

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