Internet Assigned Numbers Authority

Drone Remote ID Protocol

Created
2022-12-08
Last Updated
2025-08-22
Available Formats

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Registries Included Below

Hierarchical HIT (HHIT) Prefixes

Registration Procedure(s)
Expert Review
Expert(s)
Adam Wiethuechter, Mohamed Boucadair
Reference
[RFC9374]
Note
Registration requests should be sent to the mailing list described in 
[RFC9374]. 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 [RFC9374]

Hierarchical a HIT (HHIT) Suite IDs

Registration Procedure(s)
IETF Review
Reference
[RFC9374]
Available Formats

CSV
HHIT Suite Value Reference
RESERVED 0 [RFC9374]
RSA,DSA/SHA-256 1 [RFC7401]
ECDSA/SHA-384 2 [RFC7401]
ECDSA_LOW/SHA-1 3 [RFC7401]
Unassigned 4
EdDSA/cSHAKE128 5 [RFC9374]
Unassigned 6-253
HDA Private Use 1 254 [RFC9374]
HDA Private Use 2 255 [RFC9374]

DRIP SAM Types

Registration Procedure(s)
Standards Action
Reference
[RFC9575]
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 [RFC9575]
0x02 DRIP Wrapper Authenticate full ASTM Messages [RFC9575]
0x03 DRIP Manifest Authenticate hashes of ASTM Messages [RFC9575]
0x04 DRIP Frame Format for future DRIP authentication [RFC9575]

DRIP Frame Types

Expert(s)
Adam Wiethuechter, Mohamed Boucadair
Reference
[RFC9575]
Note
Requests for registration in the Expert Review range should be sent to 
the mailing list described in [RFC9575]. 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 [RFC9575]
0x01-0xEF Unassigned
0xF0-0xFF Experimental Reserved for Experimental Use [RFC9575]

DRIP RAA Allocations

Reference
[RFC-ietf-drip-registries-33]
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-ietf-drip-registries-33]
4-3999 Unassigned
4000-8191 Reserved [RFC-ietf-drip-registries-33]
8192-15359 Unassigned
15360-16383 Reserved for Private Use [RFC-ietf-drip-registries-33]

HHIT Entity Type

Registration Procedure(s)
First Come First Served
Reference
[RFC-ietf-drip-registries-33]
Available Formats

CSV
Value HHIT Type Reference
0 Not Defined [RFC-ietf-drip-registries-33]
1 DRIP Identity Management Entity (DIME) [RFC-ietf-drip-registries-33]
2-4 Unassigned
5 Apex [RFC-ietf-drip-registries-33]
6-8 Unassigned
9 Registered Assigning Authority (RAA) [RFC-ietf-drip-registries-33]
10-12 Unassigned
13 HHIT Domain Authority (HDA) [RFC-ietf-drip-registries-33]
14-15 Unassigned
16 Unmanned Aircraft (UA) [RFC-ietf-drip-registries-33]
17 Ground Control Station (GCS) [RFC-ietf-drip-registries-33]
18 Unmanned Aircraft System (UAS) [RFC-ietf-drip-registries-33]
19 Remote Identification (RID) Module [RFC-ietf-drip-registries-33]
20 Pilot [RFC-ietf-drip-registries-33]
21 Operator [RFC-ietf-drip-registries-33]
22 Discovery & Synchronization Service (DSS) [RFC-ietf-drip-registries-33]
23 UAS Service Supplier (USS) [RFC-ietf-drip-registries-33]
24 Network RID Service Provider (SP) [RFC-ietf-drip-registries-33]
25 Network RID Display Provider (DP) [RFC-ietf-drip-registries-33]
26 Supplemental Data Service Provider (SDSP) [RFC-ietf-drip-registries-33]
27 Crowd Sourced RID Finder [RFC-ietf-drip-registries-33]