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Asked: 2026-05-20T06:08:46+00:00

I’m not a mathematician so this may be a stupid question…but – is there

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I’m not a mathematician so this may be a stupid question…but – is there any way to translate IP addresses into integers between 1 and 3, whereby there will A) be an equal distribution of 1’s, 2’s and 3’s and B) each IP address will always translate to the same integer? (in essence, a hash).

I’m using 3 as an example – ideally I’d like the range limit to be customizable.

$highest_allowed_integer = 3;
$integer = get_evenly_distributed_but_always_identical_integer($_SERVER["REMOTE_ADDR"],$highest_allowed_integer);

Thanks!

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1 Answer

  1. Editorial Team

    Treat the entire IPv4 address as a number in base 256 (that means 4.3.2.1 would translate to (4 << 24) + (3 << 16) + (2 << 8) + 1), then mod it by 3, and then add 1.

    On a little digression, you might want to look into the concept of hashing.

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