[eli5]What is a subnet mask?

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I can’t find a good answer on google.

In: Technology

5 Answers

Anonymous 0 Comments

Without going into much technical/math detail:

Basically, it is used to determine which part of the IP address represents the network, and which part represents the host (often a computer). This makes it easier for computers and network hardware to know who is talking to who. Similar to going into a numbered room or building (the network) and then finding a specific person (the host), or sending a letter to an apartment complex (network address) at a specific unit number (host address).

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