IP Toolbox

Tool

IP Toolbox

Calculate CIDR subnets, inspect IP scopes, expand IPv4 ranges, and convert IPv4 integers.

CIDRSubnet calculatorNetwork, mask, broadcast, and usable host range.

InspectIPv4 / IPv6Detect version and common private or special scopes.

ConvertRange + integerExpand IPv4 ranges and convert IPv4 to integer.

CIDR Subnet

Calculate IPv4 network details from an address and prefix.

CIDR Block

IP Inspect

Classify an IPv4 or IPv6 address and show useful IPv4 representations.

IP Address

IPv4 Range

Expand a range and cap the output so large ranges stay usable in the browser.

Start

End

Output Limit

IPv4 Integer

Convert an IPv4 address to its unsigned 32-bit integer form, or convert that integer back.

IPv4 or Integer

Output