Packet #729441 Success

TRACEROUTE_APP packet from Meshtastic 9b20 (9b20) to !1ba268e0

2
Total Receptions
2
Unique Gateways
2
Hop Count
12
Payload Bytes
Packet Information
Database ID: 729441
Mesh Packet ID: 0x816dc1d2
Used for correlation across gateways
Timestamp: 2026-04-05 13:02:42 UTC
From Node: Meshtastic 9b20 (9b20)
To Node: !1ba268e0 (68e0)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: NCHK brsk (brs1)
Channel: LongFast
RSSI: -124 dBm
SNR: -18.25 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Relay Node: 20 9b20
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 12 bytes
Decoded: Yes
Decoded Data:
Route Information
SNR Towards: -15.0 dB
Combined Traceroute Graph
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Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
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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:12 bytes
Gateway:!7cbd853d
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !7cbd853d
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (12 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 67148576
Source node ID 		uint32
to 463628512
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 12 bytes size
hop_limit Not set uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -124.0 dBm
Signal strength at gateway 		int32
rx_snr -18.25 dB
Signal quality at gateway 		float
rx_time 1775394158
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority Not set enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 32
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set 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)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !7cbd853d
Signal Metrics: RSSI: -124.0 dBm
SNR: -18.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:12 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [], "snr_towards": [ -15.0 ], "route_back": [], "snr_back": [], "route_node_names": { "67148576": "Meshtastic 9b20 (9b20)", "463628512": "!1ba268e0" }, "traceroute_packet": { "packet_data": { "id": 729441, "timestamp": 1775394162.3052487, "from_node_id": 67148576, "to_node_id": 463628512, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!7cbd853d", "channel_id": "LongFast", "mesh_packet_id": 2171453906, "rssi": -124, "snr": -18.25, "hop_limit": 0, "hop_start": 2, "payload_length": 12, "processed_successfully": 1, "raw_payload": "120ac4ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1775394158, "pki_encrypted": 0, "next_hop": 0, "relay_node": 32, "tx_after": 0, "raw_service_envelope": "0a490d209b000415e068a21b18082a17a97f685a33056641ad98ab01f45eaeffb960863dd5999f35d2c16d813d6e5dd26945000092c150016084ffffffffffffffff017802980120a8010112084c6f6e67466173741a09213763626438353364", "timestamp_str": "2026-04-05 13:02:42 UTC", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "!1ba268e0", "relay_hex": "20", "relay_candidates": [ { "node_id": 67148576, "node_name": "Meshtastic 9b20", "hex_id": "!04009b20", "short_name": "9b20", "last_byte": "20" } ], "gateway_name": "NCHK brsk (brs1)", "gateway_location": { "node_id": 2092795197, "latitude": 56.1086464, "longitude": 47.4513408, "altitude": 122, "timestamp": 1775417246.4015512, "timestamp_str": "2026-04-05 19:27:26", "display_name": "NCHK brsk", "long_name": "NCHK brsk", "short_name": "brs1", "hw_model": "NRF52_PROMICRO_DIY" } }, "resolve_names": true, "packet_id": 729441, "from_node_id": 67148576, "to_node_id": 463628512, "timestamp": 1775394162.3052487, "gateway_id": "!7cbd853d", "raw_payload": "120ac4ffffffffffffffff01", "hop_limit": 0, "hop_start": 2, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "!1ba268e0", "route_data": { "route_nodes": [], "snr_towards": [ -15.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 67148576 ], "node_names": [ "Meshtastic 9b20 (9b20)" ], "snr_values": [ -15.0 ], "hops": [], "is_complete": false, "total_hops": 0 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 67148576, 463628512 ], "node_names": [ "Meshtastic 9b20 (9b20)", "!1ba268e0" ], "snr_values": [ -15.0 ], "hops": [ { "hop_number": 1, "from_node_id": 67148576, "to_node_id": 463628512, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "!1ba268e0", "snr": -15.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": true, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Meshtastic 9b20 (9b20)", "return_path_display": null, "actual_rf_path_display": "Meshtastic 9b20 (9b20) → !1ba268e0", "forward_hops": [], "return_hops": [], "total_forward_distance": null, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 67148576, "to": 463628512, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "EgrE//////////8B", "request_id": 1635899264, "bitfield": 1 }, "id": 2171453906, "rx_time": 1775394158, "rx_snr": -18.25, "want_ack": true, "rx_rssi": -124, "hop_start": 2, "relay_node": 32, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!7cbd853d" }, "mesh_packet": { "from": 67148576, "to": 463628512, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "EgrE//////////8B", "request_id": 1635899264, "bitfield": 1, "parsed_payload": { "snr_towards": [ -60 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 2171453906, "rx_time": 1775394158, "rx_snr": -18.25, "want_ack": true, "rx_rssi": -124, "hop_start": 2, "relay_node": 32, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (12 bytes)
120ac4ffffffffffffffff01
Hex Analysis:
Size:12 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

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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
NCHK brsk (brs1) Primary 0.000s
Reference 		-124.0 dBm -18.25 dB 2 20 9b20 LongFast 2026-04-05 13:02:42 UTC Current
2 hops Gateways that received this packet after 2 hops
NCHK brsk (brsk) +1.249s
After 		-22.0 dBm 6.50 dB 2 3d brs1 LongFast 2026-04-05 13:02:43 UTC View
2

Total Receptions

2

Unique Gateways