Packet #17724103 Success

NODEINFO_APP packet from Meshtastic b018 (b018) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17724103
Mesh Packet ID:	`0x4c5c83e7` Used for correlation across gateways
Timestamp:	2026-03-27 05:52:40 UTC
From Node:	Meshtastic b018 (b018)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic b018 (b018)
Channel:	ShortFast
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:	ShortFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db51b018` Node ID format
`channel_id`	`ShortFast`
`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`	`1774590760.1454163` 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)
✓ Custom channel: ShortFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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": "ShortFast", "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	ShortFast	2026-03-27 05:52:40 UTC	Current
Meshtastic b018 (b018)	-0.536s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.508s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.477s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.451s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.426s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.402s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.380s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.357s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.337s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.317s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.296s Before	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.273s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.249s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.226s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.202s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.179s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.158s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:39 UTC	View
Meshtastic b018 (b018)	-0.137s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	-0.116s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	-0.094s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	-0.070s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	-0.046s Before	Unknown	Unknown	`18` b018	MediumFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	-0.022s Before	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.019s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.041s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.062s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.083s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.107s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.131s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.154s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.177s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.199s After	Unknown	Unknown	`18` b018	ShortFast	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.220s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.241s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.262s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.285s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.316s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.341s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.377s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.399s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.423s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.452s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.483s After	Unknown	Unknown	`18` b018	ShortTurbo	2026-03-27 05:52:40 UTC	View
Meshtastic b018 (b018)	+0.510s After	Unknown	Unknown	`18` b018	LongFast	2026-03-27 05:52:40 UTC	View

45

Total Receptions

1

Unique Gateways