Subnet IPv4 Calculator

Decompose IP addresses and network blocks. Calculate subnet masks, usable IP ranges, and total host allocations.

IP Parameters

IPv4 Address

Subnet Mask (CIDR)

Subnet Boundary Diagnostics

Network Boundary Element	Calculated Value / Binary
Subnet Mask	255.255.255.011111111.11111111.11111111.00000000
Wildcard Mask	0.0.0.255
Network Address	192.168.1.0
Usable Host IP Range	192.168.1.1 - 192.168.1.254
Broadcast Address	192.168.1.255
Total Usable Hosts	254
Network Class	Class C
Allocation Registry	Private Address (RFC 1918)

Establish Secure Network Address Segments

IPv4 classless routing (CIDR) isolates clusters and servers securely. By compiling masks, broadcast ranges, and host constraints locally, DevOps teams avoid configuration errors inside router allocations and VPC architectures.