Packet #731234 Success

TRACEROUTE_APP packet from NCHK brsk (brs1) to AZLT 1f4c (1f4c)

1
Total Receptions
1
Unique Gateways
3
Hop Count
19
Payload Bytes
Packet Information
Database ID: 731234
Mesh Packet ID: 0xb62c08ae
Used for correlation across gateways
Timestamp: 2026-04-05 18:17:11 UTC
From Node: NCHK brsk (brs1)
To Node: AZLT 1f4c (1f4c)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: NCHK brsk (brs1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 3d brs1
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: 19 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: NCHK brsk (brsk)
Hop Count: 0 hops
Status: Incomplete - Final destination not reached
SNR Towards: -19.0 dB 6.5 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 NCHK brsk (brs1) NCHK brsk (brsk) 0 m -19.0 dB Origin Hops
Traceroute incomplete - Final destination not reached
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:19 bytes
Gateway:!7cbd853d
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:3 / 3
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
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !7cbd853d
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (19 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2092795197
Source node ID 		uint32
to 1819483980
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 19 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1775413027
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority RELIABLE
Packet priority level 		enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 61
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 (3 hops)
MQTT-Specific Fields
Want ack: True
Gateway ID: !7cbd853d
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:19 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 1770340808 ], "snr_towards": [ -19.0, 6.5 ], "route_back": [], "snr_back": [], "route_node_names": { "1770340808": "NCHK brsk (brsk)", "1819483980": "AZLT 1f4c (1f4c)", "2092795197": "NCHK brsk (brs1)" }, "traceroute_packet": { "packet_data": { "id": 731234, "timestamp": 1775413031.1006985, "from_node_id": 2092795197, "to_node_id": 1819483980, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!7cbd853d", "channel_id": "LongFast", "mesh_packet_id": 3056339118, "rssi": 0, "snr": 0.0, "hop_limit": 0, "hop_start": 3, "payload_length": 19, "processed_successfully": 1, "raw_payload": "0a04c8418569120bb4ffffffffffffffff011a", "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "rx_time": 1775413027, "pki_encrypted": 0, "next_hop": 0, "relay_node": 61, "tx_after": 0, "raw_service_envelope": "0a3f0d3d85bd7c154c1f736c18082a1eef708c0411e2ecf410e819bb4235c614de70343b2ffc02f64c81059cfa7935ae082cb63d23a7d26950015846780398013d12084c6f6e67466173741a09213763626438353364", "timestamp_str": "2026-04-05 18:17:11 UTC", "hop_count": 3, "has_payload": true, "success": 1, "from_node_name": "NCHK brsk (brs1)", "to_node_name": "AZLT 1f4c (1f4c)", "relay_hex": "3d", "relay_candidates": [ { "node_id": 2092795197, "node_name": "NCHK brsk", "hex_id": "!7cbd853d", "short_name": "brs1", "last_byte": "3d" } ], "gateway_name": "NCHK brsk (brs1)", "gateway_location": { "node_id": 2092795197, "latitude": 56.1086464, "longitude": 47.4513408, "altitude": 125, "timestamp": 1775430207.6530228, "timestamp_str": "2026-04-05 23:03:27", "display_name": "NCHK brsk", "long_name": "NCHK brsk", "short_name": "brs1", "hw_model": "NRF52_PROMICRO_DIY" } }, "resolve_names": true, "packet_id": 731234, "from_node_id": 2092795197, "to_node_id": 1819483980, "timestamp": 1775413031.1006985, "gateway_id": "!7cbd853d", "raw_payload": "0a04c8418569120bb4ffffffffffffffff011a", "hop_limit": 0, "hop_start": 3, "from_node_name": "NCHK brsk (brs1)", "to_node_name": "AZLT 1f4c (1f4c)", "route_data": { "route_nodes": [ 1770340808 ], "snr_towards": [ -19.0, 6.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2092795197, 1770340808 ], "node_names": [ "NCHK brsk (brs1)", "NCHK brsk (brsk)" ], "snr_values": [ -19.0, 6.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2092795197, "to_node_id": 1770340808, "from_node_name": "NCHK brsk (brs1)", "to_node_name": "NCHK brsk (brsk)", "snr": -19.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775412926.9840474, "to_location_timestamp": 1775411698.9326212, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.4h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2092795197, 1770340808, 1819483980 ], "node_names": [ "NCHK brsk (brs1)", "NCHK brsk (brsk)", "AZLT 1f4c (1f4c)" ], "snr_values": [ -19.0, 6.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2092795197, "to_node_id": 1770340808, "from_node_name": "NCHK brsk (brs1)", "to_node_name": "NCHK brsk (brsk)", "snr": -19.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775412926.9840474, "to_location_timestamp": 1775411698.9326212, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.4h ago" }, { "hop_number": 2, "from_node_id": 1770340808, "to_node_id": 1819483980, "from_node_name": "NCHK brsk (brsk)", "to_node_name": "AZLT 1f4c (1f4c)", "snr": 6.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2546.1761621223095, "from_location_timestamp": 1775411698.9326212, "to_location_timestamp": 1775410825.882823, "from_location_age_warning": "from 0.4h ago", "to_location_age_warning": "from 0.6h ago" } ], "is_complete": true, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "NCHK brsk (brs1) → NCHK brsk (brsk)", "return_path_display": null, "actual_rf_path_display": "NCHK brsk (brs1) → NCHK brsk (brsk) → AZLT 1f4c (1f4c)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2092795197, "to_node_id": 1770340808, "from_node_name": "NCHK brsk (brs1)", "to_node_name": "NCHK brsk (brsk)", "snr": -19.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775412926.9840474, "to_location_timestamp": 1775411698.9326212, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.4h ago" } ], "return_hops": [], "total_forward_distance": 0.0, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2092795197, "to": 1819483980, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgTIQYVpEgu0//////////8BGg==", "request_id": 419788666, "bitfield": 0 }, "id": 3056339118, "rx_time": 1775413027, "want_ack": true, "priority": "RELIABLE", "hop_start": 3, "relay_node": 61 }, "channel_id": "LongFast", "gateway_id": "!7cbd853d" }, "mesh_packet": { "from": 2092795197, "to": 1819483980, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgTIQYVpEgu0//////////8BGg==", "request_id": 419788666, "bitfield": 0, "parsed_payload": { "route": [ 1770340808 ], "snr_towards": [ -76, 26 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 3056339118, "rx_time": 1775413027, "want_ack": true, "priority": "RELIABLE", "hop_start": 3, "relay_node": 61 } }
Raw Packet Data (19 bytes)
0a04c8418569120bb4ffffffffffffffff011a
Hex Analysis:
Size:19 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 Relay Channel Timestamp Actions
NCHK brsk (brs1) Primary 0.000s
Reference 		Unknown Unknown 3 3d brs1 LongFast 2026-04-05 18:17:11 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways