Interpret a UUID

Back

UUID: 
Your input:                      449cf318-4107-11f1-87d4-4cf95d479851

Various notations:

URN:                             urn:uuid:449cf318-4107-11f1-87d4-4cf95d479851
URI:                             uuid:449cf318-4107-11f1-87d4-4cf95d479851
Microsoft GUID syntax:           {449CF318-4107-11F1-87D4-4CF95D479851}
C++ struct syntax:               { 0x449cf318, 0x4107, 0x11f1, { 0x87, 0xd4, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }

As OID (ISO/ITU-T 128 bits):     2.25.91202432570440373020574553896921831505
As OID (Microsoft):              1.2.840.113556.1.8000.2554.17564.62232.16647.4593.34772.5044573.4692049
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.4944093776441709041.9787532524078471249
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1151136536.1090982385.2278837497.1564973137
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.17564.62232.16647.4593.34772.19705.23879.38993

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1
Version:                         [0x1] Time-based with unique host identifier
Timestamp:                       [0x1f14107449cf318] 2026-04-26 00:31:29'6909080 GMT
Clock ID:                        [0x87d4] 2004
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