Interpret a UUID

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UUID: 
Your input:                      1b2f1dec-6c10-11f1-9d20-4cf95d479851

Various notations:

URN:                             urn:uuid:1b2f1dec-6c10-11f1-9d20-4cf95d479851
URI:                             uuid:1b2f1dec-6c10-11f1-9d20-4cf95d479851
Microsoft GUID syntax:           {1B2F1DEC-6C10-11F1-9D20-4CF95D479851}
C++ struct syntax:               { 0x1b2f1dec, 0x6c10, 0x11f1, { 0x9d, 0x20, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }

As OID (ISO/ITU-T 128 bits):     2.25.36133800759712533342806456635849414737
As OID (Microsoft):              1.2.840.113556.1.8000.2554.6959.7660.27664.4593.40224.5044573.4692049
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.1958817264191934961.11322134097104967761
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.456072684.1812992497.2636139769.1564973137
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.6959.7660.27664.4593.40224.19705.23879.38993

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1
Version:                         [0x1] Time-based with unique host identifier
Timestamp:                       [0x1f16c101b2f1dec] 2026-06-19 18:53:05'6545260 GMT
Clock ID:                        [0x9d20] 7456
Node ID:                         [0x4cf95d479851] 4C-F9-5D-47-98-51

In case that this Node ID is a MAC address, here is the interpretation of that MAC address:

Input:                           4C-F9-5D-47-98-51
Type:                            EUI-48 (Extended Unique Identifier)

EUI-48 or MAC-48:                4C-F9-5D-47-98-51
EUI-64:                          4C-F9-5D-FF-FF-47-98-51 (MAC-48 to EUI-64 Encapsulation)
                                 4C-F9-5D-FF-FE-47-98-51 (EUI-48 to EUI-64 Encapsulation)
                                 4E-F9-5D-FF-FE-47-98-51 (MAC/EUI-48 to Modified EUI-64 Encapsulation)
IPv6-Link-Local address:         fe80::4ef9:5dff:fe47:9851
Administration type (U/L flag):  [0] Universally Administered Address (UAA)
Transmission type (I/G flag):    [0] Unicast (Individual)

IEEE OUI (MA-L):                 0x4CF95D
Vendor-specific part:            0x479851
Registrant:                      HUAWEI TECHNOLOGIES CO.,LTD
Address of registrant:           No.2 Xin Cheng Road, Room R6,Songshan Lake Technology Park
                                 Dongguan    523808
                                 CN

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