[redacted] is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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This also contains a pure awk implementation of decimal -> binary conversion (restricted to values < 2^8 because, uh, IPv4 octets), if anyone wants to kang it.
You can also give it an optional minimum and maximum prefix length to search for (default: 16-31). This is mainly for performance reasons, searching for short prefixes usually wastes time and searching for /30 and /31 does a lot of failing `grep` calls.
