Interpret a UUID

Back

UUID: 
Your input:                      cf210728-1c05-800f-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:cf210728-1c05-800f-87ea-5ce32bd83b97
URI:                             uuid:cf210728-1c05-800f-87ea-5ce32bd83b97
Microsoft GUID syntax:           {CF210728-1C05-800F-87EA-5CE32BD83B97}
C++ struct syntax:               { 0xcf210728, 0x1c05, 0x800f, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.275321686078475190788596485190244121495
As OID (Microsoft):              1.2.840.113556.1.8000.2554.53025.1832.7173.32783.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.14925218508932743183.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.3475048232.470122511.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.53025.1832.7173.32783.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0xcf2107281c0500f07ea5ce32bd83b97]
Custom data block1 (32 bit):     [0xcf210728]
Custom data block2 (16 bit):     [0x1c05]
Custom data block3 (12 bit):     [0x00f]
Custom data block4 (14 bit):     [0x07ea]
Custom data block5 (48 bit):     [0x5ce32bd83b97]

Interpretation of HickelSOFT "SQL Server Sortable Custom UUID", Version 3

Random 16 bits:                  [0xcf21] 0b1100111100100001
Milliseconds:                    [0x07] 27 (deviation -2ms..2ms)
Seconds:                         [0x28] 40
Minute of day:                   [0x051c] 1308 (21:47)
Day of year:                     [0x0f0] 240 (Day=28, Month=8)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-08-28 21:47:40'027 (deviation -2ms..2ms)

Lookup this UUID at MagnumDB, Google, Bing