Interpret a UUID

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UUID: 
Your input:                      21fa3110-a921-4725-83ea-99e9ee2f72de

Various notations:

URN:                             urn:uuid:21fa3110-a921-4725-83ea-99e9ee2f72de
URI:                             uuid:21fa3110-a921-4725-83ea-99e9ee2f72de
Microsoft GUID syntax:           {21FA3110-A921-4725-83EA-99E9EE2F72DE}
C++ struct syntax:               { 0x21fa3110, 0xa921, 0x4725, { 0x83, 0xea, 0x99, 0xe9, 0xee, 0x2f, 0x72, 0xde } }

As OID (ISO/ITU-T 128 bits):     2.25.45163593233600307064948425026410869470
As OID (Microsoft):              1.2.840.113556.1.8000.2554.8698.12560.43297.18213.33770.10086894.3109598
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.2448323295056054053.9505579193521369822
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.570044688.2837530405.2213190121.3996087006
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.8698.12560.43297.18213.33770.39401.60975.29406

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     00100001 11111010 00110001 00010000 10101001 00100001 ????0111 00100101
                                 ??000011 11101010 10011001 11101001 11101110 00101111 01110010 11011110
Random bytes:                    [0x21fa3110a921?725?3ea99e9ee2f72de]