Drone Remote ID Protocol

Created
2022-12-08
Last Updated
2026-06-22
Available Formats

XML
HTML
TXT

Registries Included Below

Hierarchical HIT (HHIT) Prefixes

Registration Procedure(s)
Expert Review
Expert(s)
Adam Wiethuechter, Mohamed Boucadair
Reference
[RFC 9374]
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

CSV
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]
Available Formats

CSV
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]
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

CSV
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]
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

CSV
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]
Available Formats

CSV
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]
Available Formats

CSV
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

ID Name Contact URI Last Updated
[Lourens_Naudé] Lourens Naudé mailto:lourens&bearmetal.eu 2026-06-22