3v4l.org

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<?php var_dump(inet_ntop(inet_pton('0:0:0:0:0:0:129.144.52.38')), bin2hex(inet_pton('0:0:0:0:0:FFFF:129.144.52.38')), bin2hex(inet_pton('2001:DB8:0:0:8:800:200C:417A')), inet_ntop(hex2bin('00000000000000000000ffff81903426')));
preferences:
59.03 ms | 402 KiB | 5 Q