Packet #17724084 Success

NODEINFO_APP packet from Meshtastic b018 (b018) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17724084
Mesh Packet ID:	`0x4c5c83e7` Used for correlation across gateways
Timestamp:	2026-03-27 05:52:39 UTC
From Node:	Meshtastic b018 (b018)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic b018 (b018)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`18` b018 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: NODEINFO_APP

Size: 80 bytes

Decoded: Yes

Decoded Data:

Long Name:	Meshtastic b018
Short Name:	b018
Node ID:	!db51b018
MAC Address:	EFHbUbAY
Hardware:	HELTEC_V3

Raw Packet Analysis

Complete field breakdown and MQTT privacy/exposure analysis

Packet Structure

MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)

Total Size:	80 bytes
Gateway:	!db51b018
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db51b018` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3679563800` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1774590758` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`24` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774590759.719354` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!db51b018`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	80 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db51b018", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679563800, "to": 4294967295, "id": 1281131495, "rx_time": 1774590758, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 24, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3", "public_key": "YcqYXG4NC9zwNEoZhQZTIW7MkxQTmOAKxKVbXw9SCig=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (80 bytes)

0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800

Hex Analysis:

Size:	80 bytes
Format:	Protobuf (Protocol Buffers)
Encoding:	Binary with varint and length-delimited fields

This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Relay	Channel	Timestamp	Actions
Meshtastic b018 (b018) Primary	0.000s Reference	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	Current
Meshtastic b018 (b018)	-0.110s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.082s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.051s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.025s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.024s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.047s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.069s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.089s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.109s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.130s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.153s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.177s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.200s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.224s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.247s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.268s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	+0.289s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.310s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.333s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.357s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.380s After	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.404s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.426s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.445s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.467s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.488s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.509s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.533s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.557s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.580s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.603s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.625s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.646s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.668s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.688s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.711s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.742s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.767s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.803s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.825s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.849s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.878s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.909s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.936s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:40 UTC	View

45

Total Receptions

1

Unique Gateways