Tools › Networking
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Networking tools
Subnets, ports and network maths.
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IPv4 Subnet (CIDR) CalculatorNetwork, broadcast, mask and host range from a CIDR.
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Common Port NumbersSearchable list of well-known TCP and UDP ports.
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File Transfer Time CalculatorHow long a download or upload takes at a given speed.
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IPv4 Address ConverterConvert IPv4 addresses to integer, hex and binary.
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Subnet SplitterDivide a network into equal smaller subnets.