12
tools
Network
Subnets, IP maths, ports and the small security generators. Deliberately plain.
Bandwidth calculator What speed do I need for this? →Download time calculator How long that file will actually take. →Integer to IPv4 A 32-bit number back into a dotted quad. →IPv4 to binary An address in bits, split by octet, the form subnetting needs. →IPv4 to integer converter Dotted quad to the 32-bit integer behind it. →MAC address generator Locally administered, so it cannot collide. →MB/s to Mbps converter Multiply by eight, going the other way. →Mbps to MB/s converter Divide by eight. That is the whole thing. →Private IP checker Public, private, or something stranger. →Upload time calculator Upload is the slow direction. →Uptime percentage calculator What "three nines" actually allows. →Wifi signal strength (dBm) What −67 dBm actually means. →
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