Internet Assigned Numbers Authority Extensible Binary Meta Language (EBML) Created 2020-02-10 Last Updated 2024-07-15 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries included below • EBML Element IDs • EBML DocTypes EBML Element IDs Expert(s) Dave Rice (primary), Steve Lhomme (backup), Moritz Bunkus (backup) Reference [RFC8794][RFC Errata 7189] Available Formats [IMG] CSV Range Registration Procedures Note 0x80-0xFE RFC Required 0x407F-0x7FFE Specification Required 0x203FFF-0x3FFFFE First Come First Served Specification Required or First Come First Specification Required policy applies to four-octet Element IDs whose lower 0x101FFFFF-0x1FFFFFFE Served three octets (as encoded) would make printable 7-bit ASCII values (0x20 to 0x7E, inclusive). Element ID Element Name Reference 0x00-0x7F Not valid for use as an Element ID [RFC8794] 0x80-0xBE Unassigned 0xBF CRC-32 [RFC8794, Section 11.3.1] 0xC0-0xEB Unassigned 0xEC Void [RFC8794, Section 11.3.2] 0xED-0xFE Unassigned 0xFF Reserved [RFC8794] 0x0100-0x407E Not valid for use as an Element ID [RFC8794][RFC Errata 7189] 0x407F-0x4280 Unassigned 0x4281 DocTypeExtension [RFC8794, Section 11.2.9] 0x4282 DocType [RFC8794, Section 11.2.6] 0x4283 DocTypeExtensionName [RFC8794, Section 11.2.10] 0x4284 DocTypeExtensionVersion [RFC8794, Section 11.2.11] 0x4285 DocTypeReadVersion [RFC8794, Section 11.2.8] 0x4286 EBMLVersion [RFC8794, Section 11.2.2] 0x4287 DocTypeVersion [RFC8794, Section 11.2.7] 0x4288-0x42F1 Unassigned 0x42F2 EBMLMaxIDLength [RFC8794, Section 11.2.4] 0x42F3 EBMLMaxSizeLength [RFC8794, Section 11.2.5] 0x42F4-0x42F6 Unassigned 0x42F7 EBMLReadVersion [RFC8794, Section 11.2.3] 0x42F8-0x7FFE Unassigned 0x7FFF Reserved [RFC8794] 0x8000-0xFFFF Not valid for use as an Element ID [RFC8794] 0x010000-0x203FFE Not valid for use as an Element ID [RFC8794][RFC Errata 7189] 0x203FFF-0x3FFFFE Unassigned 0x3FFFFF Reserved [RFC8794] 0x400000-0xFFFFFF Not valid for use as an Element ID [RFC8794] 0x01000000-0x101FFFFE Not valid for use as an Element ID [RFC8794][RFC Errata 7189] 0x101FFFFF-0x1A45DFA2 Unassigned 0x1A45DFA3 EBML [RFC8794, Section 11.2.1] 0x1A45DFA4-0x1FFFFFFE Unassigned 0x1FFFFFFF Reserved [RFC8794] 0x20000000-0xFFFFFFFF Not valid for use as an Element ID [RFC8794] 0x0100000000-0x080FFFFFFE Not valid for use as an Element ID [RFC8794] 0x080FFFFFFF-0x0FFFFFFFFE Reserved for Experimental Use [RFC8794] 0x0FFFFFFFFF-0xFFFFFFFFFF Not valid for use as an Element ID [RFC8794] EBML DocTypes Registration Procedure(s) First Come First Served Reference [RFC8794] DocType Name DocType Description Change Controller Reference No registrations at this time. Licensing Terms