Drone Remote ID Protocol

Created

2022-12-08

Last Updated

2026-06-22

Available Formats

Hierarchical HIT (HHIT) Prefixes

Registration Procedure(s)

Expert Review

Expert(s)

Adam Wiethuechter, Mohamed Boucadair

Reference

RFC 9374: DRIP Entity Tag (DET) for Unmanned Aircraft System Remote ID (UAS RID)

Note

Registration requests should be sent to the mailing list described in RFC 9374. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org.

Available Formats

HHIT Use	Bits	Value	Reference
DET	28	2001:30::/28	RFC 9374

Hierarchical a HIT (HHIT) Suite IDs

Registration Procedure(s)

IETF Review

Reference

RFC 9374: DRIP Entity Tag (DET) for Unmanned Aircraft System Remote ID (UAS RID)

Available Formats

HHIT Suite	Value	Reference
RESERVED	0	RFC 9374
RSA,DSA/SHA-256	1	RFC 7401
ECDSA/SHA-384	2	RFC 7401
ECDSA_LOW/SHA-1	3	RFC 7401
Unassigned	4
EdDSA/cSHAKE128	5	RFC 9374
Unassigned	6-253
HDA Private Use 1	254	RFC 9374
HDA Private Use 2	255	RFC 9374

DRIP SAM Types

Registration Procedure(s)

Standards Action

Reference

RFC 9575: DRIP Entity Tag (DET) Authentication Formats and Protocols for Broadcast Remote Identification (RID)

Note

This registry is a mirror for SAM Types containing the subset of allocations used by DRIP Authentication Messages. Future additions MUST be done through ASTM's designated registrar which at the time of publication of this RFC is ICAO. Additions for DRIP will be coordinated by IANA and the ASTM designated registrar before final publication as Standards Track RFCs.

Available Formats

SAM Type	Name	Description	Reference
0x01	DRIP Link	Format to hold Broadcast Endorsements	RFC 9575
0x02	DRIP Wrapper	Authenticate full ASTM Messages	RFC 9575
0x03	DRIP Manifest	Authenticate hashes of ASTM Messages	RFC 9575
0x04	DRIP Frame	Format for future DRIP authentication	RFC 9575

DRIP Frame Types

Expert(s)

Adam Wiethuechter, Mohamed Boucadair

Reference

RFC 9575: DRIP Entity Tag (DET) Authentication Formats and Protocols for Broadcast Remote Identification (RID)

Note

Requests for registration in the Expert Review range should be sent to the mailing list described in RFC 9575. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org.

Available Formats

Range	Registration Procedures
0x01-0x9F	Expert Review
0xA0-0xEF	First Come First Served
0xF0-0xFF	Experimental Use

Frame Type	Name	Description	Reference
0x00	Reserved	Reserved	RFC 9575
0x01-0xEF	Unassigned
0xF0-0xFF	Experimental	Reserved for Experimental Use	RFC 9575

DRIP RAA Allocations

Reference

RFC 9886: DRIP Entity Tags (DETs) in the Domain Name System

Available Formats

Range	Registration Procedures
0-3	Reserved
4-3999	IESG Approval
4000-8191	Reserved
8192-15359	First Come First Served
15360-16383	Private Use

Value	Name	Reference	Contact
0-3	Reserved	RFC 9886
4-3999	Unassigned
4000-8191	Reserved	RFC 9886
8192	Bear Metal OÜ		Lourens Naudé
8193-15359	Unassigned
15360-16383	Reserved for Private Use	RFC 9886

HHIT Entity Types

Registration Procedure(s)

First Come First Served

Reference

RFC 9886: DRIP Entity Tags (DETs) in the Domain Name System

Available Formats

Value	HHIT Type	Reference
0	Not Defined	RFC 9886
1	DRIP Identity Management Entity (DIME)	RFC 9886
2-4	Unassigned
5	Apex	RFC 9886
6-8	Unassigned
9	Registered Assigning Authority (RAA)	RFC 9886
10-12	Unassigned
13	HHIT Domain Authority (HDA)	RFC 9886
14-15	Unassigned
16	Unmanned Aircraft (UA)	RFC 9886
17	Ground Control Station (GCS)	RFC 9886
18	Unmanned Aircraft System (UAS)	RFC 9886
19	Remote Identification (RID) Module	RFC 9886
20	Pilot	RFC 9886
21	Operator	RFC 9886
22	Discovery & Synchronization Service (DSS)	RFC 9886
23	UAS Service Supplier (USS)	RFC 9886
24	Network RID Service Provider (SP)	RFC 9886
25	Network RID Display Provider (DP)	RFC 9886
26	Supplemental Data Service Provider (SDSP)	RFC 9886
27	Crowd Sourced RID Finder	RFC 9886

Contact Information

Name	Contact URI	Last Updated
Lourens Naudé	lourens&bearmetal.eu	2026-06-22