Packet #6121202 Success

TRACEROUTE_APP packet from Fostral (FSTR) to Meshtastic 963c (963c)

11
Total Receptions
11
Unique Gateways
0
Hop Count
42
Payload Bytes
Packet Information
Database ID: 6121202
Mesh Packet ID: 0x8c8ead97
Used for correlation across gateways
Timestamp: 2026-01-16 05:27:00 UTC
From Node: Fostral (FSTR)
To Node: Meshtastic 963c (963c)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Fostral (FSTR)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: TRACEROUTE_APP
Size: 42 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: lel8 → 37°37‘ (center MSK) (9-11)
Hop Count: 1 hops
Status: Complete
SNR Towards: -19.5 dB -11.5 dB -14.5 dB
Route Visualization

Loading route map...

Map shows the geographic path if nodes have shared location data.
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Fostral (FSTR) lel8 Unknown -19.5 dB Origin Hops
2 lel8 37°37‘ (center MSK) (9-11) Unknown -11.5 dB Destination Hops
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
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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:42 bytes
Gateway:!1309d640
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !1309d640
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (42 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 319411776
Source node ID 		uint32
to 80057916
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 42 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 Not set int32
rx_snr Not set float
rx_time 1768530420
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority 70
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 64
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768530420.5360746
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Want ack: True
Gateway ID: !1309d640
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:42 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 72833980, 2658653988 ], "snr_towards": [ -19.5, -11.5, -14.5 ], "route_back": [], "snr_back": [], "route_node_names": { "319411776": "Fostral (FSTR)", "72833980": "lel8", "80057916": "Meshtastic 963c (963c)", "2658653988": "37°37‘ (center MSK) (9-11)" }, "traceroute_packet": { "packet_data": { "id": 6121202, "timestamp": 1768530420.5360746, "from_node_id": 319411776, "to_node_id": 80057916, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!1309d640", "channel_id": "LongFast", "mesh_packet_id": 2358160791, "rssi": 0, "snr": 0.0, "hop_limit": 4, "hop_start": 4, "payload_length": 42, "processed_successfully": 1, "raw_payload": "0a08bc5b570424d7779e121eb2ffffffffffffffff01d2ffffffffffffffff01c6ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "rx_time": 1768530420, "pki_encrypted": 0, "next_hop": 0, "relay_node": 64, "tx_after": 0, "timestamp_str": "2026-01-16 05:27:00", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "Fostral (FSTR)", "to_node_name": "Meshtastic 963c (963c)", "gateway_name": "Fostral (FSTR)", "gateway_location": { "node_id": 319411776, "latitude": 55.6924928, "longitude": 37.7618432, "altitude": null, "timestamp": 1768544819.5347767, "timestamp_str": "2026-01-16 09:26:59", "display_name": "Fostral", "long_name": "Fostral", "short_name": "FSTR", "hw_model": "TLORA_T3_S3" } }, "resolve_names": true, "packet_id": 6121202, "from_node_id": 319411776, "to_node_id": 80057916, "timestamp": 1768530420.5360746, "gateway_id": "!1309d640", "raw_payload": "0a08bc5b570424d7779e121eb2ffffffffffffffff01d2ffffffffffffffff01c6ffffffffffffffff01", "hop_limit": 4, "hop_start": 4, "from_node_name": "Fostral (FSTR)", "to_node_name": "Meshtastic 963c (963c)", "route_data": { "route_nodes": [ 72833980, 2658653988 ], "snr_towards": [ -19.5, -11.5, -14.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 319411776, 72833980, 2658653988 ], "node_names": [ "Fostral (FSTR)", "lel8", "37°37‘ (center MSK) (9-11)" ], "snr_values": [ -19.5, -11.5, -14.5 ], "hops": [ { "hop_number": 1, "from_node_id": 319411776, "to_node_id": 72833980, "from_node_name": "Fostral (FSTR)", "to_node_name": "lel8", "snr": -19.5, "direction": "forward", "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": 72833980, "to_node_id": 2658653988, "from_node_name": "lel8", "to_node_name": "37°37‘ (center MSK) (9-11)", "snr": -11.5, "direction": "forward", "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 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 80057916, 72833980, 2658653988, 319411776 ], "node_names": [ "Meshtastic 963c (963c)", "lel8", "37°37‘ (center MSK) (9-11)", "Fostral (FSTR)" ], "snr_values": [ -19.5, -11.5, -14.5 ], "hops": [ { "hop_number": 1, "from_node_id": 80057916, "to_node_id": 72833980, "from_node_name": "Meshtastic 963c (963c)", "to_node_name": "lel8", "snr": -19.5, "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" }, { "hop_number": 2, "from_node_id": 72833980, "to_node_id": 2658653988, "from_node_name": "lel8", "to_node_name": "37°37‘ (center MSK) (9-11)", "snr": -11.5, "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" }, { "hop_number": 3, "from_node_id": 2658653988, "to_node_id": 319411776, "from_node_name": "37°37‘ (center MSK) (9-11)", "to_node_name": "Fostral (FSTR)", "snr": -14.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 9545.564532121927, "from_location_timestamp": 1768285822.654772, "to_location_timestamp": 1768505514.5261712, "from_location_age_warning": "from 2.8d ago", "to_location_age_warning": "from 6.9h ago" } ], "is_complete": true, "total_hops": 3 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "Fostral (FSTR) → lel8 → 37°37‘ (center MSK) (9-11)", "return_path_display": null, "actual_rf_path_display": "Meshtastic 963c (963c) → lel8 → 37°37‘ (center MSK) (9-11) → Fostral (FSTR)", "forward_hops": [ { "hop_number": 1, "from_node_id": 319411776, "to_node_id": 72833980, "from_node_name": "Fostral (FSTR)", "to_node_name": "lel8", "snr": -19.5, "direction": "forward", "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": 72833980, "to_node_id": 2658653988, "from_node_name": "lel8", "to_node_name": "37°37‘ (center MSK) (9-11)", "snr": -11.5, "direction": "forward", "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" } ], "return_hops": [], "total_forward_distance": 0, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!1309d640", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 319411776, "to": 80057916, "id": 2358160791, "rx_time": 1768530420, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 64, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08bc5b570424d7779e121eb2ffffffffffffffff01d2ffffffffffffffff01c6ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 72833980, 2658653988 ], "snr_towards": [ -78, -46, -58 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (42 bytes)
0a08bc5b570424d7779e121eb2ffffffffffffffff01d2ffffffffffffffff01c6ffffffffffffffff01
Hex Analysis:
Size:42 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
Fostral (FSTR) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2026-01-16 05:27:00 Current
EGarpunov 2 868 (Base) (BAO) (EG28) +5.374s
After 		-112.0 dBm -5.50 dB 0 LongFast 2026-01-16 05:27:05 View
BBS Восток (DM📲) (BBSv) +5.455s
After 		-46.0 dBm 6.75 dB 0 LongFast 2026-01-16 05:27:05 View
Tsaritsyno_KB_U_868 (KBU8) +8.525s
After 		-120.0 dBm -9.75 dB 1 LongFast 2026-01-16 05:27:09 View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) +21.319s
After 		-106.0 dBm -8.25 dB 4 LongFast 2026-01-16 05:27:21 View
Korolyok h0use (K8k*) +26.585s
After 		-125.0 dBm -13.50 dB 4 LongFast 2026-01-16 05:27:27 View
dmt-ozeretskoe-mechta/868/LF2 (OZM8) +31.058s
After 		-110.0 dBm -10.75 dB 3 LongFast 2026-01-16 05:27:31 View
Zamkad8 (zmkd) +39.320s
After 		-115.0 dBm -4.25 dB 4 LongFast 2026-01-16 05:27:39 View
SYSXX YGW8 (SXY8) +69.321s
After 		-97.0 dBm -11.25 dB 4 LongFast 2026-01-16 05:28:09 View
SYSXX BGW8 (SXB8) +69.334s
After 		-121.0 dBm -13.75 dB 4 LongFast 2026-01-16 05:28:09 View
SYSXX OGW8 (SXG8) +71.392s
After 		-68.0 dBm 6.75 dB 4 LongFast 2026-01-16 05:28:11 View
11

Total Receptions

11

Unique Gateways