Sony16D1 serial number

The serial number on the disc is DRM5GG0001 5B, which is different from the usual one (5H) Can anyone tell whether this is fake or not and which country made it?

** INFO : Hex Dump Of ‘Media Code’-Block Listed Below
** INFO : 4-Byte Header Preceding ‘Media Code’-Block Discarded
** INFO : Format 0Eh - Pre-Recorded Information In Lead-In
0000 : 01 40 c1 fd 9e d8 52 00 02 84 0e 10 87 88 80 00 .@…R…
0010 : 03 53 4f 4e 59 31 36 00 04 44 31 00 00 00 00 00 .SONY16…D1…
0020 : 05 88 80 00 00 00 01 00 06 09 0b 12 a8 88 90 00 …
0030 : 07 88 80 00 00 00 00 00 08 06 13 0a 0e 08 04 00 …
0040 : 09 96 06 0c 0b 70 88 00 0a 80 00 00 00 00 10 00 …p…
0050 : 0b 08 18 17 b8 88 85 00 0c b6 79 0b b0 33 03 00 …y…3…
0060 : 0d 30 00 d0 00 00 00 00 00 00 .0…

** INFO : Hex Dump Of ‘Control Data Zone’-Block Listed Below
** INFO : 4-Byte Header Preceding ‘CDZ’-Block Discarded
** INFO : Format 10h - Physical Format Information Of Control Data Zone
0000 : 25 0f 02 00 00 03 00 00 00 26 12 7f 00 00 00 00 %…&…