Packet #237291 Success

TRACEROUTE_APP packet from irduc_htwn (htwn) to Bryn Mawr Base (BRYN)

1
Total Receptions
1
Unique Gateways
3
Hop Count
88
Payload Bytes
Packet Information
Database ID: 237291
Mesh Packet ID: 0xc7705151
Used for correlation across gateways
Timestamp: 2026-04-08 07:41:23 UTC
From Node: irduc_htwn (htwn)
To Node: Bryn Mawr Base (BRYN)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Bryn Mawr Base (BRYN)
Channel: LongFast
RSSI: -107 dBm
SNR: -8.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 4a K0b1
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: 88 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Hazelwood Treebeard (HWTb) → Meshtastic 750c (750c)
Hop Count: 1 hops
Status: Forward incomplete, Return in progress
SNR Towards: -2.75 dB -16.25 dB -9.75 dB
Return Path: Dan S5TB (S5TB) → MRC 2c30 (2c30) → Knight0wl Base (K0b1)
SNR Back: -17.0 dB -19.75 dB -17.5 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 Bryn Mawr Base (BRYN) Hazelwood Treebeard (HWTb) 2.73 km -2.75 dB Origin Hops
2 Hazelwood Treebeard (HWTb) Meshtastic 750c (750c) 1.29 km -16.25 dB Relay Hops
3 Meshtastic 750c (750c) irduc_htwn (htwn) 459 m -9.75 dB Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 irduc_htwn (htwn) Dan S5TB (S5TB) 1.38 km -17.0 dB Return Start Hops
2 Dan S5TB (S5TB) MRC 2c30 (2c30) 1.83 km -19.75 dB Return Relay Hops
3 MRC 2c30 (2c30) Knight0wl Base (K0b1) 4.48 km -17.5 dB Return End Hops
Total Forward Distance
4.48 km
Total Return Distance
7.68 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:88 bytes
Gateway:!16ced548
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
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !16ced548
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3881269689
Source node ID 		uint32
to 382653768
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 88 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 -107.0 dBm
Signal strength at gateway 		int32
rx_snr -8.50 dB
Signal quality at gateway 		float
rx_time 1775634082
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 74
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1775634083.6395879
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !16ced548
Signal Metrics: RSSI: -107.0 dBm
SNR: -8.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 440449685, 80049420 ], "snr_towards": [ -2.75, -16.25, -9.75 ], "route_back": [ 3127198652, 1770335280, 3332863306 ], "snr_back": [ -17.0, -19.75, -17.5 ], "route_node_names": { "382653768": "Bryn Mawr Base (BRYN)", "3332863306": "Knight0wl Base (K0b1)", "80049420": "Meshtastic 750c (750c)", "1770335280": "MRC 2c30 (2c30)", "440449685": "Hazelwood Treebeard (HWTb)", "3881269689": "irduc_htwn (htwn)", "3127198652": "Dan S5TB (S5TB)" }, "traceroute_packet": { "packet_data": { "id": 237291, "timestamp": 1775634083.6395879, "from_node_id": 3881269689, "to_node_id": 382653768, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!16ced548", "channel_id": "LongFast", "mesh_packet_id": 3346026833, "rssi": -107, "snr": -8.5, "hop_limit": 0, "hop_start": 3, "payload_length": 88, "processed_successfully": 1, "raw_payload": "0a0895ba401a0c75c504121ef5ffffffffffffffff01bfffffffffffffffff01d9ffffffffffffffff011a0cbc4365ba302c85694a75a7c6221ebcffffffffffffffff01b1ffffffffffffffff01baffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1775634082, "pki_encrypted": 0, "next_hop": 0, "relay_node": 74, "tx_after": 0, "timestamp_str": "2026-04-08 07:41:23 UTC", "hop_count": 3, "has_payload": true, "success": 1, "from_node_name": "irduc_htwn (htwn)", "to_node_name": "Bryn Mawr Base (BRYN)", "relay_hex": "4a", "relay_candidates": [ { "node_id": 3332863306, "node_name": "Knight0wl Base", "hex_id": "!c6a7754a", "short_name": "K0b1", "last_byte": "4a" } ], "gateway_name": "Bryn Mawr Base (BRYN)", "gateway_location": { "node_id": 382653768, "latitude": 40.0228352, "longitude": -75.3205248, "altitude": 130, "timestamp": 1775754584.368795, "timestamp_str": "2026-04-09 17:09:44", "display_name": "Bryn Mawr Base", "long_name": "Bryn Mawr Base", "short_name": "BRYN", "hw_model": "STATION_G2" } }, "resolve_names": true, "packet_id": 237291, "from_node_id": 3881269689, "to_node_id": 382653768, "timestamp": 1775634083.6395879, "gateway_id": "!16ced548", "raw_payload": "0a0895ba401a0c75c504121ef5ffffffffffffffff01bfffffffffffffffff01d9ffffffffffffffff011a0cbc4365ba302c85694a75a7c6221ebcffffffffffffffff01b1ffffffffffffffff01baffffffffffffffff01", "hop_limit": 0, "hop_start": 3, "from_node_name": "irduc_htwn (htwn)", "to_node_name": "Bryn Mawr Base (BRYN)", "route_data": { "route_nodes": [ 440449685, 80049420 ], "snr_towards": [ -2.75, -16.25, -9.75 ], "route_back": [ 3127198652, 1770335280, 3332863306 ], "snr_back": [ -17.0, -19.75, -17.5 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 382653768, 440449685, 80049420, 3881269689 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Hazelwood Treebeard (HWTb)", "Meshtastic 750c (750c)", "irduc_htwn (htwn)" ], "snr_values": [ -2.75, -16.25, -9.75 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 440449685, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Hazelwood Treebeard (HWTb)", "snr": -2.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2733.9148280970016, "from_location_timestamp": 1775568415.478546, "to_location_timestamp": 1775417035.7497249, "from_location_age_warning": "from 18.2h ago", "to_location_age_warning": "from 2.5d ago" }, { "hop_number": 2, "from_node_id": 440449685, "to_node_id": 80049420, "from_node_name": "Hazelwood Treebeard (HWTb)", "to_node_name": "Meshtastic 750c (750c)", "snr": -16.25, "direction": "forward", "is_target_hop": false, "distance_meters": 1290.1276348233619, "from_location_timestamp": 1775417035.7497249, "to_location_timestamp": 1775613774.9414737, "from_location_age_warning": "from 2.5d ago", "to_location_age_warning": "from 5.6h ago" }, { "hop_number": 3, "from_node_id": 80049420, "to_node_id": 3881269689, "from_node_name": "Meshtastic 750c (750c)", "to_node_name": "irduc_htwn (htwn)", "snr": -9.75, "direction": "forward", "is_target_hop": false, "distance_meters": 459.01461508198827, "from_location_timestamp": 1775613774.9414737, "to_location_timestamp": 1775510041.487637, "from_location_age_warning": "from 5.6h ago", "to_location_age_warning": "from 1.4d ago" } ], "is_complete": false, "total_hops": 3 }, "return_path": { "path_type": "return", "node_ids": [ 3881269689, 3127198652, 1770335280, 3332863306 ], "node_names": [ "irduc_htwn (htwn)", "Dan S5TB (S5TB)", "MRC 2c30 (2c30)", "Knight0wl Base (K0b1)" ], "snr_values": [ -17.0, -19.75, -17.5 ], "hops": [ { "hop_number": 1, "from_node_id": 3881269689, "to_node_id": 3127198652, "from_node_name": "irduc_htwn (htwn)", "to_node_name": "Dan S5TB (S5TB)", "snr": -17.0, "direction": "return", "is_target_hop": false, "distance_meters": 1377.0194095126856, "from_location_timestamp": 1775510041.487637, "to_location_timestamp": 1775619547.9593067, "from_location_age_warning": "from 1.4d ago", "to_location_age_warning": "from 4.0h ago" }, { "hop_number": 2, "from_node_id": 3127198652, "to_node_id": 1770335280, "from_node_name": "Dan S5TB (S5TB)", "to_node_name": "MRC 2c30 (2c30)", "snr": -19.75, "direction": "return", "is_target_hop": false, "distance_meters": 1826.5404672794555, "from_location_timestamp": 1775619547.9593067, "to_location_timestamp": 1775632140.7463634, "from_location_age_warning": "from 4.0h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 3, "from_node_id": 1770335280, "to_node_id": 3332863306, "from_node_name": "MRC 2c30 (2c30)", "to_node_name": "Knight0wl Base (K0b1)", "snr": -17.5, "direction": "return", "is_target_hop": false, "distance_meters": 4477.638870242694, "from_location_timestamp": 1775632140.7463634, "to_location_timestamp": 1775627640.0345595, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 1.8h ago" } ], "is_complete": false, "total_hops": 3 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 382653768, 440449685, 80049420, 3881269689, 3127198652, 1770335280, 3332863306 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Hazelwood Treebeard (HWTb)", "Meshtastic 750c (750c)", "irduc_htwn (htwn)", "Dan S5TB (S5TB)", "MRC 2c30 (2c30)", "Knight0wl Base (K0b1)" ], "snr_values": [ -2.75, -16.25, -9.75, -17.0, -19.75, -17.5 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 440449685, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Hazelwood Treebeard (HWTb)", "snr": -2.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2733.9148280970016, "from_location_timestamp": 1775568415.478546, "to_location_timestamp": 1775417035.7497249, "from_location_age_warning": "from 18.2h ago", "to_location_age_warning": "from 2.5d ago" }, { "hop_number": 2, "from_node_id": 440449685, "to_node_id": 80049420, "from_node_name": "Hazelwood Treebeard (HWTb)", "to_node_name": "Meshtastic 750c (750c)", "snr": -16.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 1290.1276348233619, "from_location_timestamp": 1775417035.7497249, "to_location_timestamp": 1775613774.9414737, "from_location_age_warning": "from 2.5d ago", "to_location_age_warning": "from 5.6h ago" }, { "hop_number": 3, "from_node_id": 80049420, "to_node_id": 3881269689, "from_node_name": "Meshtastic 750c (750c)", "to_node_name": "irduc_htwn (htwn)", "snr": -9.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 459.01461508198827, "from_location_timestamp": 1775613774.9414737, "to_location_timestamp": 1775510041.487637, "from_location_age_warning": "from 5.6h ago", "to_location_age_warning": "from 1.4d ago" }, { "hop_number": 4, "from_node_id": 3881269689, "to_node_id": 3127198652, "from_node_name": "irduc_htwn (htwn)", "to_node_name": "Dan S5TB (S5TB)", "snr": -17.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 1377.0194095126856, "from_location_timestamp": 1775510041.487637, "to_location_timestamp": 1775619547.9593067, "from_location_age_warning": "from 1.4d ago", "to_location_age_warning": "from 4.0h ago" }, { "hop_number": 5, "from_node_id": 3127198652, "to_node_id": 1770335280, "from_node_name": "Dan S5TB (S5TB)", "to_node_name": "MRC 2c30 (2c30)", "snr": -19.75, "direction": "return_rf", "is_target_hop": false, "distance_meters": 1826.5404672794555, "from_location_timestamp": 1775619547.9593067, "to_location_timestamp": 1775632140.7463634, "from_location_age_warning": "from 4.0h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 6, "from_node_id": 1770335280, "to_node_id": 3332863306, "from_node_name": "MRC 2c30 (2c30)", "to_node_name": "Knight0wl Base (K0b1)", "snr": -17.5, "direction": "return_rf", "is_target_hop": false, "distance_meters": 4477.638870242694, "from_location_timestamp": 1775632140.7463634, "to_location_timestamp": 1775627640.0345595, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 1.8h ago" } ], "is_complete": false, "total_hops": 6 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Hazelwood Treebeard (HWTb) → Meshtastic 750c (750c) → irduc_htwn (htwn)", "return_path_display": "irduc_htwn (htwn) → Dan S5TB (S5TB) → MRC 2c30 (2c30) → Knight0wl Base (K0b1)", "actual_rf_path_display": "Bryn Mawr Base (BRYN) → Hazelwood Treebeard (HWTb) → Meshtastic 750c (750c) → irduc_htwn (htwn) → Dan S5TB (S5TB) → MRC 2c30 (2c30) → Knight0wl Base (K0b1)", "forward_hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 440449685, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Hazelwood Treebeard (HWTb)", "snr": -2.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2733.9148280970016, "from_location_timestamp": 1775568415.478546, "to_location_timestamp": 1775417035.7497249, "from_location_age_warning": "from 18.2h ago", "to_location_age_warning": "from 2.5d ago" }, { "hop_number": 2, "from_node_id": 440449685, "to_node_id": 80049420, "from_node_name": "Hazelwood Treebeard (HWTb)", "to_node_name": "Meshtastic 750c (750c)", "snr": -16.25, "direction": "forward", "is_target_hop": false, "distance_meters": 1290.1276348233619, "from_location_timestamp": 1775417035.7497249, "to_location_timestamp": 1775613774.9414737, "from_location_age_warning": "from 2.5d ago", "to_location_age_warning": "from 5.6h ago" }, { "hop_number": 3, "from_node_id": 80049420, "to_node_id": 3881269689, "from_node_name": "Meshtastic 750c (750c)", "to_node_name": "irduc_htwn (htwn)", "snr": -9.75, "direction": "forward", "is_target_hop": false, "distance_meters": 459.01461508198827, "from_location_timestamp": 1775613774.9414737, "to_location_timestamp": 1775510041.487637, "from_location_age_warning": "from 5.6h ago", "to_location_age_warning": "from 1.4d ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 3881269689, "to_node_id": 3127198652, "from_node_name": "irduc_htwn (htwn)", "to_node_name": "Dan S5TB (S5TB)", "snr": -17.0, "direction": "return", "is_target_hop": false, "distance_meters": 1377.0194095126856, "from_location_timestamp": 1775510041.487637, "to_location_timestamp": 1775619547.9593067, "from_location_age_warning": "from 1.4d ago", "to_location_age_warning": "from 4.0h ago" }, { "hop_number": 2, "from_node_id": 3127198652, "to_node_id": 1770335280, "from_node_name": "Dan S5TB (S5TB)", "to_node_name": "MRC 2c30 (2c30)", "snr": -19.75, "direction": "return", "is_target_hop": false, "distance_meters": 1826.5404672794555, "from_location_timestamp": 1775619547.9593067, "to_location_timestamp": 1775632140.7463634, "from_location_age_warning": "from 4.0h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 3, "from_node_id": 1770335280, "to_node_id": 3332863306, "from_node_name": "MRC 2c30 (2c30)", "to_node_name": "Knight0wl Base (K0b1)", "snr": -17.5, "direction": "return", "is_target_hop": false, "distance_meters": 4477.638870242694, "from_location_timestamp": 1775632140.7463634, "to_location_timestamp": 1775627640.0345595, "from_location_age_warning": "from 0.5h ago", "to_location_age_warning": "from 1.8h ago" } ], "total_forward_distance": 4483.057078002352, "total_return_distance": 7681.198747034835 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced548", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3881269689, "to": 382653768, "id": 3346026833, "rx_time": 1775634082, "rx_snr": -8.5, "rx_rssi": -107, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 74, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a0895ba401a0c75c504121ef5ffffffffffffffff01bfffffffffffffffff01d9ffffffffffffffff011a0cbc4365ba302c85694a75a7c6221ebcffffffffffffffff01b1ffffffffffffffff01baffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 440449685, 80049420 ], "snr_towards": [ -11, -65, -39 ], "route_back": [ 3127198652, 1770335280, 3332863306 ], "snr_back": [ -68, -79, -70 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (88 bytes)
0a0895ba401a0c75c504121ef5ffffffffffffffff01bfffffffffffffffff01d9ffffffffffffffff011a0cbc4365ba302c85694a75a7c6221ebcffffffffffffffff01b1ffffffffffffffff01baffffffffffffffff01
Hex Analysis:
Size:88 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
Bryn Mawr Base (BRYN) Primary 0.000s
Reference 		-107.0 dBm -8.50 dB 3 4a K0b1 LongFast 2026-04-08 07:41:23 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways