REKON TECHNOLOGY

Network & Subnet Calculator

Calculate IPv4 network addresses, subnet masks, wildcard masks, broadcasts, usable host ranges, host capacity, binary values, and subnet splits.

IPv4 • CIDR • HOSTS • SUBNETS

IPv4 address

CIDR prefix length

Addressing mode

New subnet prefix

Subnets to display

Required usable hosts

NETWORK RESULTS

IPv4 subnet details

Ready

Enter an IPv4 address and CIDR prefix.

Network Address—

Broadcast Address—

Subnet Mask—

Wildcard Mask—

First Usable Host—

Last Usable Host—

Total Addresses—

Usable Hosts—

Address Class—

IP Address—Subnet Mask—Network Address—

Subnet	Network	First Host	Last Host	Broadcast	Usable Hosts

ROUTER

SWITCH

HOST 1

HOST 2

HOST 3

CIDR Notation—
Host Bits—
Block Size—
Private / Public—
Special Use—
Subnets Created—
Hosts per New Subnet—
Recommended Prefix for Host Requirement—

A larger prefix means more network bits and fewer host addresses.

Traditional subnets reserve network and broadcast addresses. /31 and /32 use different rules.

Use subnetting to separate cameras, access control, management, servers, and other systems.