Packet #908874 Success

TRACEROUTE_APP packet from Meshtastic b554 (b554) to DustyHeatsink - Phlm.sh (DSTY)

5
Total Receptions
5
Unique Gateways
0
Hop Count
19
Payload Bytes
Packet Information
Database ID: 908874
Mesh Packet ID: 0x195b03ed
Used for correlation across gateways
Timestamp: 2026-07-27 15:59:18 UTC
From Node: Meshtastic b554 (b554)
To Node: DustyHeatsink - Phlm.sh (DSTY)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Cereal Killer (CK)
Channel: MediumSlow
RSSI: -101 dBm
SNR: 0.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 54 b554
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: Yeah.Buoy.DST (BUOY)
Hop Count: 0 hops
Status: Complete
SNR Towards: 8.25 dB -13.5 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic b554 (b554) Yeah.Buoy.DST (BUOY) 16.38 km 8.25 dB Origin Hops
Total Forward Distance
16.38 km
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

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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:!849b7ab0
Channel:MediumSlow
Payload Type:TRACEROUTE_APP
Hop Count:0 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 4 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !849b7ab0
Node ID format
channel_id MediumSlow
packet MeshPacket (19 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 730772820
Source node ID 		uint32
to 3949493749
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 19 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -101.0 dBm
Signal strength at gateway 		int32
rx_snr 0.75 dB
Signal quality at gateway 		float
rx_time 1785167957
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 24
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 84
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: MediumSlow
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !849b7ab0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -101.0 dBm
SNR: 0.75 dB
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": [ 3883574171 ], "snr_towards": [ 8.25, -13.5 ], "route_back": [], "snr_back": [], "route_node_names": { "3883574171": "Yeah.Buoy.DST (BUOY)", "730772820": "Meshtastic b554 (b554)", "3949493749": "DustyHeatsink - Phlm.sh (DSTY)" }, "traceroute_packet": { "packet_data": { "id": 908874, "timestamp": 1785167958.665545, "from_node_id": 730772820, "to_node_id": 3949493749, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!849b7ab0", "channel_id": "MediumSlow", "mesh_packet_id": 425395181, "rssi": -101, "snr": 0.75, "hop_limit": 3, "hop_start": 3, "payload_length": 19, "processed_successfully": 1, "raw_payload": "0a049ba37ae7120b21caffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1785167957, "pki_encrypted": 0, "next_hop": 0, "relay_node": 84, "tx_after": 0, "raw_service_envelope": "0a520d54b58e2b15f57d68eb18182a1ea5cf5ae251eb0cddf66724148f97963d5dab32421307b4b08b93a2bf437735ed035b193d5580676a450000403f48035001609bffffffffffffffff017803980154a80101120a4d656469756d536c6f771a09213834396237616230", "timestamp_str": "2026-07-27 15:59:18 UTC", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "relay_hex": "54", "relay_candidates": [ { "node_id": 730772820, "node_name": "Meshtastic b554", "hex_id": "!2b8eb554", "short_name": "b554", "last_byte": "54" } ], "gateway_name": "Cereal Killer (CK)", "gateway_location": { "node_id": 2224782000, "latitude": 39.943639, "longitude": -75.165364, "altitude": null, "timestamp": 1785260500.1938534, "timestamp_str": "2026-07-28 17:41:40", "display_name": "Cereal Killer", "long_name": "Cereal Killer", "short_name": "CK", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 908874, "from_node_id": 730772820, "to_node_id": 3949493749, "timestamp": 1785167958.665545, "gateway_id": "!849b7ab0", "raw_payload": "0a049ba37ae7120b21caffffffffffffffff01", "hop_limit": 3, "hop_start": 3, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "route_data": { "route_nodes": [ 3883574171 ], "snr_towards": [ 8.25, -13.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 730772820, 3883574171 ], "node_names": [ "Meshtastic b554 (b554)", "Yeah.Buoy.DST (BUOY)" ], "snr_values": [ 8.25, -13.5 ], "hops": [ { "hop_number": 1, "from_node_id": 730772820, "to_node_id": 3883574171, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": 8.25, "direction": "forward", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785157013.9977236, "to_location_timestamp": 1785153372.3550522, "from_location_age_warning": "from 3.0h ago", "to_location_age_warning": "from 4.1h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 3949493749, 3883574171, 730772820 ], "node_names": [ "DustyHeatsink - Phlm.sh (DSTY)", "Yeah.Buoy.DST (BUOY)", "Meshtastic b554 (b554)" ], "snr_values": [ 8.25, -13.5 ], "hops": [ { "hop_number": 1, "from_node_id": 3949493749, "to_node_id": 3883574171, "from_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": 8.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 1837.6695317869355, "from_location_timestamp": 1785143222.2659492, "to_location_timestamp": 1785153372.3550522, "from_location_age_warning": "from 6.9h ago", "to_location_age_warning": "from 4.1h ago" }, { "hop_number": 2, "from_node_id": 3883574171, "to_node_id": 730772820, "from_node_name": "Yeah.Buoy.DST (BUOY)", "to_node_name": "Meshtastic b554 (b554)", "snr": -13.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785153372.3550522, "to_location_timestamp": 1785157013.9977236, "from_location_age_warning": "from 4.1h ago", "to_location_age_warning": "from 3.0h ago" } ], "is_complete": true, "total_hops": 2 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "Meshtastic b554 (b554) → Yeah.Buoy.DST (BUOY)", "return_path_display": null, "actual_rf_path_display": "DustyHeatsink - Phlm.sh (DSTY) → Yeah.Buoy.DST (BUOY) → Meshtastic b554 (b554)", "forward_hops": [ { "hop_number": 1, "from_node_id": 730772820, "to_node_id": 3883574171, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": 8.25, "direction": "forward", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785157013.9977236, "to_location_timestamp": 1785153372.3550522, "from_location_age_warning": "from 3.0h ago", "to_location_age_warning": "from 4.1h ago" } ], "return_hops": [], "total_forward_distance": 16379.095028719854, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 730772820, "to": 3949493749, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgSbo3rnEgshyv//////////AQ==", "request_id": 3998050401, "bitfield": 1 }, "id": 425395181, "rx_time": 1785167957, "rx_snr": 0.75, "hop_limit": 3, "want_ack": true, "rx_rssi": -101, "hop_start": 3, "relay_node": 84, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "MediumSlow", "gateway_id": "!849b7ab0" }, "mesh_packet": { "from": 730772820, "to": 3949493749, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgSbo3rnEgshyv//////////AQ==", "request_id": 3998050401, "bitfield": 1, "parsed_payload": { "route": [ 3883574171 ], "snr_towards": [ 33, -54 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 425395181, "rx_time": 1785167957, "rx_snr": 0.75, "hop_limit": 3, "want_ack": true, "rx_rssi": -101, "hop_start": 3, "relay_node": 84, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (19 bytes)
0a049ba37ae7120b21caffffffffffffffff01
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
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 Relay Channel Timestamp Actions
Cereal Killer (CK) Primary 0.000s
Reference 		-101.0 dBm 0.75 dB 0 54 b554 MediumSlow 2026-07-27 15:59:18 UTC Current
1 hop Gateways that received this packet after 1 hop
Bryn Mawr Base (BRYN) +1.201s
After 		-107.0 dBm -6.25 dB 1 95 HWTb MediumSlow 2026-07-27 15:59:19 UTC View
Hazelwood Palantir (HWPa) +1.406s
After 		-43.0 dBm 8.00 dB 1 95 HWTb MediumSlow 2026-07-27 15:59:20 UTC View
homebase.mesh.sdr.lol (SDRB) +1.063s
After 		-107.0 dBm -0.75 dB 1 11 LdNi MediumSlow 2026-07-27 15:59:19 UTC View
DustyHeatsink - Phlm.sh (DSTY) +10.505s
After 		-20.0 dBm 8.50 dB 1 9b BUOY MediumSlow 2026-07-27 15:59:29 UTC View
5

Total Receptions

5

Unique Gateways