Interpret a UUID

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UUID: 
Your input:                      ef247644-0f0c-4d1e-99be-2ce6bf8f420a

Various notations:

URN:                             urn:uuid:ef247644-0f0c-4d1e-99be-2ce6bf8f420a
URI:                             uuid:ef247644-0f0c-4d1e-99be-2ce6bf8f420a
Microsoft GUID syntax:           {EF247644-0F0C-4D1E-99BE-2CE6BF8F420A}
C++ struct syntax:               { 0xef247644, 0x0f0c, 0x4d1e, { 0x99, 0xbe, 0x2c, 0xe6, 0xbf, 0x8f, 0x42, 0x0a } }

As OID (ISO/ITU-T 128 bits):     2.25.317874812396007575729577363669376778762
As OID (Microsoft):              1.2.840.113556.1.8000.2554.61220.30276.3852.19742.39358.2942655.9388554
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17232028108908678430.11078341502945935882
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4012144196.252464414.2579377382.3213836810
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.61220.30276.3852.19742.39358.11494.49039.16906

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11101111 00100100 01110110 01000100 00001111 00001100 ????1101 00011110
                                 ??011001 10111110 00101100 11100110 10111111 10001111 01000010 00001010
Random bytes:                    [0xef2476440f0c?d1e?9be2ce6bf8f420a]