Packet #1924085 Success

TRACEROUTE_APP packet from AL - CENTRO CM⚡ (NAN1) to ZhouDukeMesh (ZDKM)

1
Total Receptions
1
Unique Gateways
2
Hop Count
52
Payload Bytes
Packet Information
Database ID: 1924085
Mesh Packet ID: 0xd85b6dbb
Used for correlation across gateways
Timestamp: 2026-08-13 18:53:34 UTC
From Node: AL - CENTRO CM⚡ (NAN1)
To Node: ZhouDukeMesh (ZDKM)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: HU01-8-R-EA7LGA (HU01)
Channel: SFNarrow
RSSI: -109 dBm
SNR: -5.25 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: 06 ef06
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: 52 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: AL - CENTRO GW 🏠☀️ (NAN5) → EA7-AL-002 🧭 (AL02) → EA7-AL-001 🏔 (AL01) → EA7-MA-003 (TRK3) → !2b39ef06 → HU01-8-R-EA7LGA (HU01)
Hop Count: 5 hops
Status: Incomplete - Final destination not reached
SNR Towards: 12.75 dB 8.5 dB 9.0 dB 3.75 dB -0.5 dB -5.25 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 AL - CENTRO CM⚡ (NAN1) AL - CENTRO GW 🏠☀️ (NAN5) 1.11 km 12.75 dB Origin Hops
2 AL - CENTRO GW 🏠☀️ (NAN5) EA7-AL-002 🧭 (AL02) Unknown 8.5 dB Relay Hops
3 EA7-AL-002 🧭 (AL02) EA7-AL-001 🏔 (AL01) Unknown 9.0 dB Relay Hops
4 EA7-AL-001 🏔 (AL01) EA7-MA-003 (TRK3) 136.55 km 3.75 dB Relay Hops
5 EA7-MA-003 (TRK3) !2b39ef06 Unknown -0.5 dB Relay Hops
6 !2b39ef06 HU01-8-R-EA7LGA (HU01) Unknown -5.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
137.65 km
Combined Traceroute Graph
· edge width = packets · node size = traffic · square = gateway
Click a node to focus all receptions through it · click a reception below for its exact route · wheel to zoom · drag background to pan

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Route — …
Receptions
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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:52 bytes
Gateway:!206686d9
Channel:SFNarrow
Payload Type:TRACEROUTE_APP
Hop Count:2 / 5
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

FieldValue
gateway_id !206686d9
Node ID format
channel_id SFNarrow
packet MeshPacket (52 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 80063992
Source node ID 		uint32
to 67505384
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 52 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -109.0 dBm
Signal strength at gateway 		int32
rx_snr -5.25 dB
Signal quality at gateway 		float
rx_time 1786647212
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 32
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 6
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
  • ✓ Custom channel: SFNarrow
  • ✓ 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: !206686d9
Signal Metrics: RSSI: -109.0 dBm
SNR: -5.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:52 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 1748375048, 2356529823, 1989708122, 2940376882, 725217030, 543590105 ], "snr_towards": [ 12.75, 8.5, 9.0, 3.75, -0.5, -5.25 ], "route_back": [], "snr_back": [], "route_node_names": { "725217030": "!2b39ef06", "1748375048": "AL - CENTRO GW 🏠☀️ (NAN5)", "67505384": "ZhouDukeMesh (ZDKM)", "2940376882": "EA7-MA-003 (TRK3)", "80063992": "AL - CENTRO CM⚡ (NAN1)", "543590105": "HU01-8-R-EA7LGA (HU01)", "1989708122": "EA7-AL-001 🏔 (AL01)", "2356529823": "EA7-AL-002 🧭 (AL02)" }, "traceroute_packet": { "packet_data": { "id": 1924085, "timestamp": 1786647214.1390622, "from_node_id": 80063992, "to_node_id": 67505384, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!206686d9", "channel_id": "SFNarrow", "mesh_packet_id": 3629870523, "rssi": -109, "snr": -5.25, "hop_limit": 3, "hop_start": 5, "payload_length": 52, "processed_successfully": 1, "raw_payload": "0a18081636689fca758c5a899876329742af06ef392bd986662012183322240ffeffffffffffffffff01ebffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1786647212, "pki_encrypted": 0, "next_hop": 0, "relay_node": 6, "tx_after": 0, "raw_service_envelope": "0a750df8adc50415e80c060418202a4190f61fd6842f411f8ef6cf407fbc01b50403ff22058a05c644e7f4634e310cbdd78d2cf72a89f599e5d7e8a6e71ead18166d8916b1cf54bcf9cbe82744caebb6dc35bb6d5bd83dac127e6a450000a8c0480350016093ffffffffffffffff017805980106a80101120853464e6172726f771a09213230363638366439", "timestamp_str": "2026-08-13 18:53:34 UTC", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "AL - CENTRO CM⚡ (NAN1)", "to_node_name": "ZhouDukeMesh (ZDKM)", "relay_hex": "06", "relay_candidates": [ { "node_id": 725217030, "node_name": "!2b39ef06", "hex_id": "!2b39ef06", "short_name": "ef06", "last_byte": "06" } ], "gateway_name": "HU01-8-R-EA7LGA (HU01)", "gateway_location": { "node_id": 543590105, "latitude": 37.2375552, "longitude": -7.2482816, "altitude": 75, "timestamp": 1786487696.9272077, "timestamp_str": "2026-08-11 23:34:56", "display_name": "HU01-8-R-EA7LGA", "long_name": "HU01-8-R-EA7LGA", "short_name": "HU01", "hw_model": "RAK3401" } }, "resolve_names": true, "packet_id": 1924085, "from_node_id": 80063992, "to_node_id": 67505384, "timestamp": 1786647214.1390622, "gateway_id": "!206686d9", "raw_payload": "0a18081636689fca758c5a899876329742af06ef392bd986662012183322240ffeffffffffffffffff01ebffffffffffffffff01", "hop_limit": 3, "hop_start": 5, "from_node_name": "AL - CENTRO CM⚡ (NAN1)", "to_node_name": "!04060ce8", "route_data": { "route_nodes": [ 1748375048, 2356529823, 1989708122, 2940376882, 725217030, 543590105 ], "snr_towards": [ 12.75, 8.5, 9.0, 3.75, -0.5, -5.25 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 80063992, 1748375048, 2356529823, 1989708122, 2940376882, 725217030, 543590105 ], "node_names": [ "AL - CENTRO CM⚡ (NAN1)", "AL - CENTRO GW 🏠☀️ (NAN5)", "EA7-AL-002 🧭 (AL02)", "EA7-AL-001 🏔 (AL01)", "EA7-MA-003 (TRK3)", "!2b39ef06", "HU01-8-R-EA7LGA (HU01)" ], "snr_values": [ 12.75, 8.5, 9.0, 3.75, -0.5, -5.25 ], "hops": [ { "hop_number": 1, "from_node_id": 80063992, "to_node_id": 1748375048, "from_node_name": "AL - CENTRO CM⚡ (NAN1)", "to_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "snr": 12.75, "direction": "forward", "is_target_hop": false, "distance_meters": 1107.983068967474, "from_location_timestamp": 1786636131.2845438, "to_location_timestamp": 1786594221.491637, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 14.7h ago" }, { "hop_number": 2, "from_node_id": 1748375048, "to_node_id": 2356529823, "from_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "to_node_name": "EA7-AL-002 🧭 (AL02)", "snr": 8.5, "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": 3, "from_node_id": 2356529823, "to_node_id": 1989708122, "from_node_name": "EA7-AL-002 🧭 (AL02)", "to_node_name": "EA7-AL-001 🏔 (AL01)", "snr": 9.0, "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": 4, "from_node_id": 1989708122, "to_node_id": 2940376882, "from_node_name": "EA7-AL-001 🏔 (AL01)", "to_node_name": "EA7-MA-003 (TRK3)", "snr": 3.75, "direction": "forward", "is_target_hop": false, "distance_meters": 136546.47657710948, "from_location_timestamp": 1784983753.8110645, "to_location_timestamp": 1786627961.0272663, "from_location_age_warning": "from 2.8w ago", "to_location_age_warning": "from 5.3h ago" }, { "hop_number": 5, "from_node_id": 2940376882, "to_node_id": 725217030, "from_node_name": "EA7-MA-003 (TRK3)", "to_node_name": "!2b39ef06", "snr": -0.5, "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": 6, "from_node_id": 725217030, "to_node_id": 543590105, "from_node_name": "!2b39ef06", "to_node_name": "HU01-8-R-EA7LGA (HU01)", "snr": -5.25, "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": 6 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 80063992, 1748375048, 2356529823, 1989708122, 2940376882, 725217030, 543590105 ], "node_names": [ "AL - CENTRO CM⚡ (NAN1)", "AL - CENTRO GW 🏠☀️ (NAN5)", "EA7-AL-002 🧭 (AL02)", "EA7-AL-001 🏔 (AL01)", "EA7-MA-003 (TRK3)", "!2b39ef06", "HU01-8-R-EA7LGA (HU01)" ], "snr_values": [ 12.75, 8.5, 9.0, 3.75, -0.5, -5.25 ], "hops": [ { "hop_number": 1, "from_node_id": 80063992, "to_node_id": 1748375048, "from_node_name": "AL - CENTRO CM⚡ (NAN1)", "to_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "snr": 12.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 1107.983068967474, "from_location_timestamp": 1786636131.2845438, "to_location_timestamp": 1786594221.491637, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 14.7h ago" }, { "hop_number": 2, "from_node_id": 1748375048, "to_node_id": 2356529823, "from_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "to_node_name": "EA7-AL-002 🧭 (AL02)", "snr": 8.5, "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": 2356529823, "to_node_id": 1989708122, "from_node_name": "EA7-AL-002 🧭 (AL02)", "to_node_name": "EA7-AL-001 🏔 (AL01)", "snr": 9.0, "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" }, { "hop_number": 4, "from_node_id": 1989708122, "to_node_id": 2940376882, "from_node_name": "EA7-AL-001 🏔 (AL01)", "to_node_name": "EA7-MA-003 (TRK3)", "snr": 3.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 136546.47657710948, "from_location_timestamp": 1784983753.8110645, "to_location_timestamp": 1786627961.0272663, "from_location_age_warning": "from 2.8w ago", "to_location_age_warning": "from 5.3h ago" }, { "hop_number": 5, "from_node_id": 2940376882, "to_node_id": 725217030, "from_node_name": "EA7-MA-003 (TRK3)", "to_node_name": "!2b39ef06", "snr": -0.5, "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": 6, "from_node_id": 725217030, "to_node_id": 543590105, "from_node_name": "!2b39ef06", "to_node_name": "HU01-8-R-EA7LGA (HU01)", "snr": -5.25, "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": false, "total_hops": 6 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "AL - CENTRO CM⚡ (NAN1) → AL - CENTRO GW 🏠☀️ (NAN5) → EA7-AL-002 🧭 (AL02) → EA7-AL-001 🏔 (AL01) → EA7-MA-003 (TRK3) → !2b39ef06 → HU01-8-R-EA7LGA (HU01)", "return_path_display": null, "actual_rf_path_display": "AL - CENTRO CM⚡ (NAN1) → AL - CENTRO GW 🏠☀️ (NAN5) → EA7-AL-002 🧭 (AL02) → EA7-AL-001 🏔 (AL01) → EA7-MA-003 (TRK3) → !2b39ef06 → HU01-8-R-EA7LGA (HU01)", "forward_hops": [ { "hop_number": 1, "from_node_id": 80063992, "to_node_id": 1748375048, "from_node_name": "AL - CENTRO CM⚡ (NAN1)", "to_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "snr": 12.75, "direction": "forward", "is_target_hop": false, "distance_meters": 1107.983068967474, "from_location_timestamp": 1786636131.2845438, "to_location_timestamp": 1786594221.491637, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 14.7h ago" }, { "hop_number": 2, "from_node_id": 1748375048, "to_node_id": 2356529823, "from_node_name": "AL - CENTRO GW 🏠☀️ (NAN5)", "to_node_name": "EA7-AL-002 🧭 (AL02)", "snr": 8.5, "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": 3, "from_node_id": 2356529823, "to_node_id": 1989708122, "from_node_name": "EA7-AL-002 🧭 (AL02)", "to_node_name": "EA7-AL-001 🏔 (AL01)", "snr": 9.0, "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": 4, "from_node_id": 1989708122, "to_node_id": 2940376882, "from_node_name": "EA7-AL-001 🏔 (AL01)", "to_node_name": "EA7-MA-003 (TRK3)", "snr": 3.75, "direction": "forward", "is_target_hop": false, "distance_meters": 136546.47657710948, "from_location_timestamp": 1784983753.8110645, "to_location_timestamp": 1786627961.0272663, "from_location_age_warning": "from 2.8w ago", "to_location_age_warning": "from 5.3h ago" }, { "hop_number": 5, "from_node_id": 2940376882, "to_node_id": 725217030, "from_node_name": "EA7-MA-003 (TRK3)", "to_node_name": "!2b39ef06", "snr": -0.5, "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": 6, "from_node_id": 725217030, "to_node_id": 543590105, "from_node_name": "!2b39ef06", "to_node_name": "HU01-8-R-EA7LGA (HU01)", "snr": -5.25, "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": 137654.45964607695, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 80063992, "to": 67505384, "channel": 32, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "ChgIFjZon8p1jFqJmHYyl0KvBu85K9mGZiASGDMiJA/+//////////8B6///////////AQ==", "want_response": true, "dest": 67505384, "bitfield": 3 }, "id": 3629870523, "rx_time": 1786647212, "rx_snr": -5.25, "hop_limit": 3, "want_ack": true, "rx_rssi": -109, "hop_start": 5, "relay_node": 6, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "SFNarrow", "gateway_id": "!206686d9" }, "mesh_packet": { "from": 80063992, "to": 67505384, "channel": 32, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "ChgIFjZon8p1jFqJmHYyl0KvBu85K9mGZiASGDMiJA/+//////////8B6///////////AQ==", "want_response": true, "dest": 67505384, "bitfield": 3, "parsed_payload": { "route": [ 1748375048, 2356529823, 1989708122, 2940376882, 725217030, 543590105 ], "snr_towards": [ 51, 34, 36, 15, -2, -21 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 3629870523, "rx_time": 1786647212, "rx_snr": -5.25, "hop_limit": 3, "want_ack": true, "rx_rssi": -109, "hop_start": 5, "relay_node": 6, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (52 bytes)
0a18081636689fca758c5a899876329742af06ef392bd986662012183322240ffeffffffffffffffff01ebffffffffffffffff01
Hex Analysis:
Size:52 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
HU01-8-R-EA7LGA (HU01) Primary 0.000s
Reference 		-109.0 dBm -5.25 dB 2 06 ef06 SFNarrow 2026-08-13 18:53:34 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways