Internet Assigned Numbers Authority

UUID

Created
2023-11-17
Last Updated
2024-05-22
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Registries included below

UUID Subtypes

Registration Procedure(s)
Standards Action With Expert Review
Expert(s)
Kyzer Davis, Brad Peabody
Reference
[RFC9562]
Available Formats

CSV
ID Name Subtype Variant Reference
1 Gregorian Time-based version OSF DCE / IETF [RFC4122][RFC9562]
2 DCE Security version OSF DCE / IETF [C309][C311]
3 MD5 Name-based version OSF DCE / IETF [RFC4122][RFC9562]
4 Random version OSF DCE / IETF [RFC4122][RFC9562]
5 SHA-1 Name-based version OSF DCE / IETF [RFC4122][RFC9562]
6 Reordered Gregorian Time-based version OSF DCE / IETF [RFC9562]
7 Unix Time-based version OSF DCE / IETF [RFC9562]
8 Custom version OSF DCE / IETF [RFC9562]

UUID Namespace IDs

Registration Procedure(s)
Specification Required
Expert(s)
Kyzer Davis, Brad Peabody
Reference
[RFC9562]
Available Formats

CSV
Namespace Namespace ID Value Name Reference Namespace ID Reference
DNS 6ba7b810-9dad-11d1-80b4-00c04fd430c8 [RFC9499] [RFC4122][RFC9562]
URL 6ba7b811-9dad-11d1-80b4-00c04fd430c8 [RFC1738] [RFC4122][RFC9562]
OID 6ba7b812-9dad-11d1-80b4-00c04fd430c8 ISO/IEC 9834-1, ITU-T Rec. X.660, 2011 [RFC4122][RFC9562]
X500 6ba7b814-9dad-11d1-80b4-00c04fd430c8 ISO/IEC 9594-1, ITU-T Rec. X.500, 2019 [RFC4122][RFC9562]