Packet #16758811 Success

TRACEROUTE_APP packet from Meshtastic fb2c (fb2c) to Uberg2121 SZAO (UBRG)

2
Total Receptions
2
Unique Gateways
2
Hop Count
35
Payload Bytes
Packet Information
Database ID: 16758811
Mesh Packet ID: 0x414633e4
Used for correlation across gateways
Timestamp: 2026-05-05 00:18:57 UTC
From Node: Meshtastic fb2c (fb2c)
To Node: Uberg2121 SZAO (UBRG)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: RN3ABX Georgy 2 (ABX2)
Channel: MediumFast
RSSI: -120 dBm
SNR: -6.25 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Payload Data
Protocol: TRACEROUTE_APP
Size: 35 bytes
Decoded: Yes
Decoded Data:
Route Information
SNR Towards: 5.75 dB
Return Path: -=D=- 868 (7b4d) → SYSXX YGW8 (SXY8)
SNR Back: -9.25 dB -9.5 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Uberg2121 SZAO (UBRG) Meshtastic fb2c (fb2c) 2.74 km 5.75 dB Origin Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic fb2c (fb2c) -=D=- 868 (7b4d) Unknown -9.25 dB Return Start Hops
2 -=D=- 868 (7b4d) SYSXX YGW8 (SXY8) Unknown -9.5 dB Return End Hops
Total Forward Distance
2.74 km
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

Building graph...

Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
Loading paths...
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:35 bytes
Gateway:!f98db090
Channel:MediumFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f98db090
Node ID format
channel_id MediumFast
packet MeshPacket (35 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4143708972
Source node ID 		uint32
to 463604412
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 35 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 -120.0 dBm
Signal strength at gateway 		int32
rx_snr -6.25 dB
Signal quality at gateway 		float
rx_time 1777929536
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 Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node Not set uint32
tx_after Not set uint32
timestamp 1777929537.5633147
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)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ 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: !f98db090
Signal Metrics: RSSI: -120.0 dBm
SNR: -6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:35 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [], "snr_towards": [ 5.75 ], "route_back": [ 2170518349, 4026531586 ], "snr_back": [ -9.25, -9.5 ], "route_node_names": { "4026531586": "SYSXX YGW8 (SXY8)", "4143708972": "Meshtastic fb2c (fb2c)", "2170518349": "-=D=- 868 (7b4d)", "463604412": "Uberg2121 SZAO (UBRG)" }, "traceroute_packet": { "packet_data": { "id": 16758811, "timestamp": 1777929537.5633147, "from_node_id": 4143708972, "to_node_id": 463604412, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!f98db090", "channel_id": "MediumFast", "mesh_packet_id": 1095119844, "rssi": -120, "snr": -6.25, "hop_limit": 0, "hop_start": 2, "payload_length": 35, "processed_successfully": 1, "raw_payload": "1201171a084d7b5f8102ffffef2214dbffffffffffffffff01daffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1777929536, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "timestamp_str": "2026-05-05 00:18:57", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Meshtastic fb2c (fb2c)", "to_node_name": "Uberg2121 SZAO (UBRG)", "gateway_name": "RN3ABX Georgy 2 (ABX2)", "gateway_location": { "node_id": 4186812560, "latitude": 55.7760512, "longitude": 37.4652928, "altitude": null, "timestamp": 1777937698.3150826, "timestamp_str": "2026-05-05 02:34:58", "display_name": "RN3ABX Georgy 2", "long_name": "RN3ABX Georgy 2", "short_name": "ABX2", "hw_model": "TLORA_V2_1_1P6" } }, "resolve_names": true, "packet_id": 16758811, "from_node_id": 4143708972, "to_node_id": 463604412, "timestamp": 1777929537.5633147, "gateway_id": "!f98db090", "raw_payload": "1201171a084d7b5f8102ffffef2214dbffffffffffffffff01daffffffffffffffff01", "hop_limit": 0, "hop_start": 2, "from_node_name": "Meshtastic fb2c (fb2c)", "to_node_name": "Uberg2121 SZAO (UBRG)", "route_data": { "route_nodes": [], "snr_towards": [ 5.75 ], "route_back": [ 2170518349, 4026531586 ], "snr_back": [ -9.25, -9.5 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 463604412, 4143708972 ], "node_names": [ "Uberg2121 SZAO (UBRG)", "Meshtastic fb2c (fb2c)" ], "snr_values": [ 5.75 ], "hops": [ { "hop_number": 1, "from_node_id": 463604412, "to_node_id": 4143708972, "from_node_name": "Uberg2121 SZAO (UBRG)", "to_node_name": "Meshtastic fb2c (fb2c)", "snr": 5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2739.0130838342543, "from_location_timestamp": 1777852816.8657181, "to_location_timestamp": 1777928443.057736, "from_location_age_warning": "from 21.3h ago", "to_location_age_warning": "from 0.3h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 4143708972, 2170518349, 4026531586 ], "node_names": [ "Meshtastic fb2c (fb2c)", "-=D=- 868 (7b4d)", "SYSXX YGW8 (SXY8)" ], "snr_values": [ -9.25, -9.5 ], "hops": [ { "hop_number": 1, "from_node_id": 4143708972, "to_node_id": 2170518349, "from_node_name": "Meshtastic fb2c (fb2c)", "to_node_name": "-=D=- 868 (7b4d)", "snr": -9.25, "direction": "return", "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" }, { "hop_number": 2, "from_node_id": 2170518349, "to_node_id": 4026531586, "from_node_name": "-=D=- 868 (7b4d)", "to_node_name": "SYSXX YGW8 (SXY8)", "snr": -9.5, "direction": "return", "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": false, "total_hops": 2 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 463604412, 4143708972, 2170518349, 4026531586 ], "node_names": [ "Uberg2121 SZAO (UBRG)", "Meshtastic fb2c (fb2c)", "-=D=- 868 (7b4d)", "SYSXX YGW8 (SXY8)" ], "snr_values": [ 5.75, -9.25, -9.5 ], "hops": [ { "hop_number": 1, "from_node_id": 463604412, "to_node_id": 4143708972, "from_node_name": "Uberg2121 SZAO (UBRG)", "to_node_name": "Meshtastic fb2c (fb2c)", "snr": 5.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2739.0130838342543, "from_location_timestamp": 1777852816.8657181, "to_location_timestamp": 1777928443.057736, "from_location_age_warning": "from 21.3h ago", "to_location_age_warning": "from 0.3h ago" }, { "hop_number": 2, "from_node_id": 4143708972, "to_node_id": 2170518349, "from_node_name": "Meshtastic fb2c (fb2c)", "to_node_name": "-=D=- 868 (7b4d)", "snr": -9.25, "direction": "return_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" }, { "hop_number": 3, "from_node_id": 2170518349, "to_node_id": 4026531586, "from_node_name": "-=D=- 868 (7b4d)", "to_node_name": "SYSXX YGW8 (SXY8)", "snr": -9.5, "direction": "return_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": false, "total_hops": 3 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Uberg2121 SZAO (UBRG) → Meshtastic fb2c (fb2c)", "return_path_display": "Meshtastic fb2c (fb2c) → -=D=- 868 (7b4d) → SYSXX YGW8 (SXY8)", "actual_rf_path_display": "Uberg2121 SZAO (UBRG) → Meshtastic fb2c (fb2c) → -=D=- 868 (7b4d) → SYSXX YGW8 (SXY8)", "forward_hops": [ { "hop_number": 1, "from_node_id": 463604412, "to_node_id": 4143708972, "from_node_name": "Uberg2121 SZAO (UBRG)", "to_node_name": "Meshtastic fb2c (fb2c)", "snr": 5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2739.0130838342543, "from_location_timestamp": 1777852816.8657181, "to_location_timestamp": 1777928443.057736, "from_location_age_warning": "from 21.3h ago", "to_location_age_warning": "from 0.3h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 4143708972, "to_node_id": 2170518349, "from_node_name": "Meshtastic fb2c (fb2c)", "to_node_name": "-=D=- 868 (7b4d)", "snr": -9.25, "direction": "return", "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" }, { "hop_number": 2, "from_node_id": 2170518349, "to_node_id": 4026531586, "from_node_name": "-=D=- 868 (7b4d)", "to_node_name": "SYSXX YGW8 (SXY8)", "snr": -9.5, "direction": "return", "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" } ], "total_forward_distance": 2739.0130838342543, "total_return_distance": 0 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f98db090", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4143708972, "to": 463604412, "id": 1095119844, "rx_time": 1777929536, "rx_snr": -6.25, "rx_rssi": -120, "hop_limit": 0, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 70, "payload": "1201171a084d7b5f8102ffffef2214dbffffffffffffffff01daffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ 23 ], "route_back": [ 2170518349, 4026531586 ], "snr_back": [ -37, -38 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (35 bytes)
1201171a084d7b5f8102ffffef2214dbffffffffffffffff01daffffffffffffffff01
Hex Analysis:
Size:35 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
RN3ABX Georgy 2 (ABX2) Primary 0.000s
Reference 		-120.0 dBm -6.25 dB 2 MediumFast 2026-05-05 00:18:57 Current
SYSXX YGW8 (SXY8) -0.729s
Before 		-99.0 dBm -9.50 dB 1 MediumFast 2026-05-05 00:18:56 View
2

Total Receptions

2

Unique Gateways