3 ms·

Not all, but many end users frequently need to input IP addresses when any type of connection is being made on a private network that isn't using DNS.

• baby 11y ago
  And that's when having a : every X letters will help you catch where you are when you'll be typing that long string.
  • jfoster 11y ago
    Exactly. There wouldn't be any need for the colons if the addresses weren't intended to be looked at or typed by humans.