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<?php var_dump(inet_ntop(inet_pton('0:0:0:0:0:0:129.144.52.38')), bin2hex(inet_pton('hi')), bin2hex(inet_pton('2001:DB8:0:0:8:800:200C:417A')), inet_ntop(hex2bin('75706c6f61646564696d6167652f312e6a7067')));