Packet #12553545 Success

ROUTING_APP packet from Meshtastic 1855 (1855) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	12553545
Mesh Packet ID:	`0x889755d7` Used for correlation across gateways
Timestamp:	2025-09-28 07:11:55 UTC
From Node:	Meshtastic 1855 (1855)
To Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success:	Processed
Protocol:	ROUTING_APP Port: 5

Gateway:	Venturada2🗼🌐☀️ (Vb2)
Channel:	MediumSlow
RSSI:	-111 dBm
SNR:	-15.0 dBm
Hop Info:	0/4 hops Start: 4, Limit: 4

Payload Data

Protocol: ROUTING_APP

Size: 2 bytes

Decoded: Yes

Decoded Data:

{
  "error_reason": "NO_RESPONSE",
  "type": "protobuf",
  "portnum": "ROUTING_APP",
  "message_class": "Routing"
}

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:	2 bytes
Gateway:	!a03526b0
Channel:	MediumSlow
Payload Type:	ROUTING_APP
Hop Count:	Unknown / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!a03526b0` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (2 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3017152597` Source node ID	uint32
`to`	`1129719940` Target node ID	uint32
`decoded.portnum`	`5` ROUTING_APP	enum
`decoded.payload_length`	`2` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-111.0` dBm Signal strength at gateway	int32
`rx_snr`	`-15.00` dB Signal quality at gateway	float
`rx_time`	`1759043513` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`85` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759043515.0351355` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message

Privacy Features:

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

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!a03526b0`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -111.0 dBm SNR: -15.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	ROUTING_APP
Size:	2 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "error_reason": "NO_RESPONSE", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!a03526b0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3017152597, "to": 1129719940, "id": 2291619287, "rx_time": 1759043513, "rx_snr": -15.0, "rx_rssi": -111, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 85, "tx_after": 0, "decoded": { "portnum": 5, "payload": "1808", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "error_reason": "NO_RESPONSE", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" } } } }

Raw Packet Data (2 bytes)

1808

Hex Analysis:

Size:	2 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	Hops	Channel	Timestamp	Actions
Venturada2🗼🌐☀️ (Vb2) Primary	0.000s Reference	-111.0 dBm	-15.00 dB	0	MediumSlow	2025-09-28 07:11:55	Current
Will - Azuqueca (WAzq)	+0.555s After	-106.0 dBm	-0.75 dB	1	MediumSlow	2025-09-28 07:11:55	View
g1bal (g1b0)	+0.557s After	-110.0 dBm	-10.00 dB	1	MediumSlow	2025-09-28 07:11:55	View
Machu Pichu (MaPi)	+0.778s After	-93.0 dBm	-4.75 dB	1	MediumSlow	2025-09-28 07:11:55	View
Meshtastic 1760 (1760)	+0.829s After	-122.0 dBm	-7.25 dB	1	MediumSlow	2025-09-28 07:11:55	View
Naranjo C191 🌐 (FNL)	+0.847s After	-112.0 dBm	-4.00 dB	1	MediumSlow	2025-09-28 07:11:55	View
Rodashtastic🗼🌐 (RDSt)	+0.868s After	-113.0 dBm	-4.75 dB	1	MediumSlow	2025-09-28 07:11:55	View
Getafe C191 - ☀️🌐 (GTF)	+0.935s After	-125.0 dBm	-17.75 dB	1	MediumSlow	2025-09-28 07:11:55	View
Kenobi23 QTH (5aec)	+1.031s After	-104.0 dBm	-5.75 dB	1	MediumSlow	2025-09-28 07:11:56	View
TO_Cala_Base2🗼🌐☀️ (33C8)	+1.967s After	-111.0 dBm	-10.25 dB	2	MediumSlow	2025-09-28 07:11:57	View
SkG@Home 📡🌐 (SkGH)	+2.024s After	-126.0 dBm	-16.75 dB	1	MediumSlow	2025-09-28 07:11:57	View
Suop 📡 🌐 (SUOP)	+2.429s After	-111.0 dBm	-6.25 dB	2	MediumSlow	2025-09-28 07:11:57	View
Malasaña Solar ☀️ (🌇)	+2.497s After	-118.0 dBm	-13.75 dB	2	MediumSlow	2025-09-28 07:11:57	View
Monolito (MoN)	+2.520s After	-67.0 dBm	8.25 dB	2	MediumSlow	2025-09-28 07:11:57	View
Trasto 🐰 Va (trva)	+2.577s After	-111.0 dBm	-14.75 dB	2	MediumSlow	2025-09-28 07:11:57	View
[TLG] 📡🌐🔋🔌 (tlg0)	+2.637s After	-111.0 dBm	-3.00 dB	1	MediumSlow	2025-09-28 07:11:57	View
🌐Charly Unid Movil🛰 (C181)	+2.759s After	-116.0 dBm	-13.50 dB	2	MediumSlow	2025-09-28 07:11:57	View
Meshtastic 18a4 (18a4)	+3.287s After	Unknown	Unknown	2	MediumSlow	2025-09-28 07:11:58	View
Mec Rocket Meco (MRM)	+3.689s After	-112.0 dBm	-13.00 dB	2	MediumSlow	2025-09-28 07:11:58	View
EA5GHE-09 (58a8)	+5.732s After	-109.0 dBm	-14.00 dB	3	MediumSlow	2025-09-28 07:12:00	View
Meshtastic 53fc (53fc)	+10.234s After	-114.0 dBm	-0.75 dB	3	MediumSlow	2025-09-28 07:12:05	View
Baldur Fijo (BalF)	+10.609s After	-121.0 dBm	-13.00 dB	4	MediumSlow	2025-09-28 07:12:05	View
G71NCH3-NB-MAD-02 (G71B)	+2063.194s After	-40.0 dBm	9.50 dB	2	MediumSlow	2025-09-28 07:46:18	View

23

Total Receptions

23

Unique Gateways