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IPv6 address expander and compressor

Expand or compress an IPv6 address.

IPv6 address expander and compressor
Compressed
2001:db8::ff00:42:8329
Expanded
2001:0db8:0000:0000:0000:ff00:0042:8329
Kind
documentation (2001:db8::/32)

Compressing drops leading zeros and replaces the longest run of zero groups (two or more) with ::. An IPv6 address is 128 bits, written as eight groups of 16.

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