IPv4 analysis

Network Tools

Understand addresses, masks, CIDR boundaries, host ranges, and timestamps with immediate validation.

CIDR / subnet calculator

Analyze an IPv4 address and prefix.

/24
Prefix must be between /0 and /32.
IP address
—
IP class
—
Public / private
—
Subnet mask
—
Wildcard mask
—
Network address
—
Broadcast address
—
Usable host range
—
Usable hosts
—

Mask converter

Convert CIDR, subnet, and wildcard masks.

Converted masks appear here.

Unix timestamp converter

Move between Unix time and readable dates.

⌚

UTC and local values appear here.