Packet #9916121 Success

TRACEROUTE_APP packet from Yangel 838 (YNG) to Levsha_Vidnoe_Yagi (LVHA)

1
Total Receptions
1
Unique Gateways
2
Hop Count
44
Payload Bytes
Packet Information
Database ID: 9916121
Mesh Packet ID: 0x669722bf
Used for correlation across gateways
Timestamp: 2026-02-20 23:01:41 UTC
From Node: Yangel 838 (YNG)
To Node: Levsha_Vidnoe_Yagi (LVHA)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Tsaritsyno_KB_U_868 (KBU8)
Channel: LongFast
RSSI: -117 dBm
SNR: -15.5 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Payload Data
Protocol: TRACEROUTE_APP
Size: 44 bytes
Decoded: Yes
Decoded Data:
Route Information
SNR Towards: -11.0 dB
Return Path: Meshtastic 4050 (4050) → Polon-Chertanovo (PLN)
SNR Back: -0.25 dB -13.0 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Levsha_Vidnoe_Yagi (LVHA) Yangel 838 (YNG) 8.50 km -11.0 dB Origin Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Yangel 838 (YNG) Meshtastic 4050 (4050) 20.10 km -0.25 dB Return Start Hops
2 Meshtastic 4050 (4050) Polon-Chertanovo (PLN) 23.03 km -13.0 dB Return End Hops
Total Forward Distance
8.50 km
Total Return Distance
43.12 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:44 bytes
Gateway:!db2964b0
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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db2964b0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (44 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3679956788
Source node ID 		uint32
to 1533111094
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 44 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 -117.0 dBm
Signal strength at gateway 		int32
rx_snr -15.50 dB
Signal quality at gateway 		float
rx_time 1771617699
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 24
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1771617701.0759363
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
  • ✓ 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: !db2964b0
Signal Metrics: RSSI: -117.0 dBm
SNR: -15.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:44 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [], "snr_towards": [ -11.0 ], "route_back": [ 3148431440, 2661336088 ], "snr_back": [ -0.25, -13.0 ], "route_node_names": { "3148431440": "Meshtastic 4050 (4050)", "2661336088": "Polon-Chertanovo (PLN)", "3679956788": "Yangel 838 (YNG)", "1533111094": "Levsha_Vidnoe_Yagi (LVHA)" }, "traceroute_packet": { "packet_data": { "id": 9916121, "timestamp": 1771617701.0759363, "from_node_id": 3679956788, "to_node_id": 1533111094, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!db2964b0", "channel_id": "LongFast", "mesh_packet_id": 1721180863, "rssi": -117, "snr": -15.5, "hop_limit": 0, "hop_start": 2, "payload_length": 44, "processed_successfully": 1, "raw_payload": "120ad4ffffffffffffffff011a085040a9bb18c4a09e2214ffffffffffffffffff01ccffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1771617699, "pki_encrypted": 0, "next_hop": 0, "relay_node": 24, "tx_after": 0, "timestamp_str": "2026-02-20 23:01:41", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Yangel 838 (YNG)", "to_node_name": "Levsha_Vidnoe_Yagi (LVHA)", "gateway_name": "Tsaritsyno_KB_U_868 (KBU8)", "gateway_location": { "node_id": 3676923056, "latitude": 55.62727, "longitude": 37.64246, "altitude": 200, "timestamp": 1772310734.3621798, "timestamp_str": "2026-02-28 23:32:14", "display_name": "Tsaritsyno_KB_U_868", "long_name": "Tsaritsyno_KB_U_868", "short_name": "KBU8", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 9916121, "from_node_id": 3679956788, "to_node_id": 1533111094, "timestamp": 1771617701.0759363, "gateway_id": "!db2964b0", "raw_payload": "120ad4ffffffffffffffff011a085040a9bb18c4a09e2214ffffffffffffffffff01ccffffffffffffffff01", "hop_limit": 0, "hop_start": 2, "from_node_name": "Yangel 838 (YNG)", "to_node_name": "Levsha_Vidnoe_Yagi (LVHA)", "route_data": { "route_nodes": [], "snr_towards": [ -11.0 ], "route_back": [ 3148431440, 2661336088 ], "snr_back": [ -0.25, -13.0 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 1533111094, 3679956788 ], "node_names": [ "Levsha_Vidnoe_Yagi (LVHA)", "Yangel 838 (YNG)" ], "snr_values": [ -11.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1533111094, "to_node_id": 3679956788, "from_node_name": "Levsha_Vidnoe_Yagi (LVHA)", "to_node_name": "Yangel 838 (YNG)", "snr": -11.0, "direction": "forward", "is_target_hop": false, "distance_meters": 8496.246555360975, "from_location_timestamp": 1771359562.1553664, "to_location_timestamp": 1771596817.0367916, "from_location_age_warning": "from 3.0d ago", "to_location_age_warning": "from 5.8h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 3679956788, 3148431440, 2661336088 ], "node_names": [ "Yangel 838 (YNG)", "Meshtastic 4050 (4050)", "Polon-Chertanovo (PLN)" ], "snr_values": [ -0.25, -13.0 ], "hops": [ { "hop_number": 1, "from_node_id": 3679956788, "to_node_id": 3148431440, "from_node_name": "Yangel 838 (YNG)", "to_node_name": "Meshtastic 4050 (4050)", "snr": -0.25, "direction": "return", "is_target_hop": false, "distance_meters": 20097.305990872916, "from_location_timestamp": 1771596817.0367916, "to_location_timestamp": 1771766223.7121406, "from_location_age_warning": "from 5.8h ago", "to_location_age_warning": "from 1.7d later" }, { "hop_number": 2, "from_node_id": 3148431440, "to_node_id": 2661336088, "from_node_name": "Meshtastic 4050 (4050)", "to_node_name": "Polon-Chertanovo (PLN)", "snr": -13.0, "direction": "return", "is_target_hop": false, "distance_meters": 23025.55094065871, "from_location_timestamp": 1771766223.7121406, "to_location_timestamp": 1771516714.0749512, "from_location_age_warning": "from 1.7d later", "to_location_age_warning": "from 1.2d ago" } ], "is_complete": false, "total_hops": 2 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 1533111094, 3679956788, 3148431440, 2661336088 ], "node_names": [ "Levsha_Vidnoe_Yagi (LVHA)", "Yangel 838 (YNG)", "Meshtastic 4050 (4050)", "Polon-Chertanovo (PLN)" ], "snr_values": [ -11.0, -0.25, -13.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1533111094, "to_node_id": 3679956788, "from_node_name": "Levsha_Vidnoe_Yagi (LVHA)", "to_node_name": "Yangel 838 (YNG)", "snr": -11.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 8496.246555360975, "from_location_timestamp": 1771359562.1553664, "to_location_timestamp": 1771596817.0367916, "from_location_age_warning": "from 3.0d ago", "to_location_age_warning": "from 5.8h ago" }, { "hop_number": 2, "from_node_id": 3679956788, "to_node_id": 3148431440, "from_node_name": "Yangel 838 (YNG)", "to_node_name": "Meshtastic 4050 (4050)", "snr": -0.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 20097.305990872916, "from_location_timestamp": 1771596817.0367916, "to_location_timestamp": 1771766223.7121406, "from_location_age_warning": "from 5.8h ago", "to_location_age_warning": "from 1.7d later" }, { "hop_number": 3, "from_node_id": 3148431440, "to_node_id": 2661336088, "from_node_name": "Meshtastic 4050 (4050)", "to_node_name": "Polon-Chertanovo (PLN)", "snr": -13.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 23025.55094065871, "from_location_timestamp": 1771766223.7121406, "to_location_timestamp": 1771516714.0749512, "from_location_age_warning": "from 1.7d later", "to_location_age_warning": "from 1.2d ago" } ], "is_complete": false, "total_hops": 3 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Levsha_Vidnoe_Yagi (LVHA) → Yangel 838 (YNG)", "return_path_display": "Yangel 838 (YNG) → Meshtastic 4050 (4050) → Polon-Chertanovo (PLN)", "actual_rf_path_display": "Levsha_Vidnoe_Yagi (LVHA) → Yangel 838 (YNG) → Meshtastic 4050 (4050) → Polon-Chertanovo (PLN)", "forward_hops": [ { "hop_number": 1, "from_node_id": 1533111094, "to_node_id": 3679956788, "from_node_name": "Levsha_Vidnoe_Yagi (LVHA)", "to_node_name": "Yangel 838 (YNG)", "snr": -11.0, "direction": "forward", "is_target_hop": false, "distance_meters": 8496.246555360975, "from_location_timestamp": 1771359562.1553664, "to_location_timestamp": 1771596817.0367916, "from_location_age_warning": "from 3.0d ago", "to_location_age_warning": "from 5.8h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 3679956788, "to_node_id": 3148431440, "from_node_name": "Yangel 838 (YNG)", "to_node_name": "Meshtastic 4050 (4050)", "snr": -0.25, "direction": "return", "is_target_hop": false, "distance_meters": 20097.305990872916, "from_location_timestamp": 1771596817.0367916, "to_location_timestamp": 1771766223.7121406, "from_location_age_warning": "from 5.8h ago", "to_location_age_warning": "from 1.7d later" }, { "hop_number": 2, "from_node_id": 3148431440, "to_node_id": 2661336088, "from_node_name": "Meshtastic 4050 (4050)", "to_node_name": "Polon-Chertanovo (PLN)", "snr": -13.0, "direction": "return", "is_target_hop": false, "distance_meters": 23025.55094065871, "from_location_timestamp": 1771766223.7121406, "to_location_timestamp": 1771516714.0749512, "from_location_age_warning": "from 1.7d later", "to_location_age_warning": "from 1.2d ago" } ], "total_forward_distance": 8496.246555360975, "total_return_distance": 43122.85693153163 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2964b0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679956788, "to": 1533111094, "id": 1721180863, "rx_time": 1771617699, "rx_snr": -15.5, "rx_rssi": -117, "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": 24, "tx_after": 0, "decoded": { "portnum": 70, "payload": "120ad4ffffffffffffffff011a085040a9bb18c4a09e2214ffffffffffffffffff01ccffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ -44 ], "route_back": [ 3148431440, 2661336088 ], "snr_back": [ -1, -52 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (44 bytes)
120ad4ffffffffffffffff011a085040a9bb18c4a09e2214ffffffffffffffffff01ccffffffffffffffff01
Hex Analysis:
Size:44 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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Tsaritsyno_KB_U_868 (KBU8) Primary 0.000s
Reference 		-117.0 dBm -15.50 dB 2 LongFast 2026-02-20 23:01:41 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways