Packet #2533662 Success

TRACEROUTE_APP packet from LZ2PAJ (Nik) to Meshtastic d780 (d780)

4
Total Receptions
4
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 2533662
Mesh Packet ID: 0x152143b3
Used for correlation across gateways
Timestamp: 2026-03-27 15:57:33 UTC
From Node: LZ2PAJ (Nik)
To Node: Meshtastic d780 (d780)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: TheGoldTower (Gold)
Channel: Bulgaria
RSSI: -61 dBm
SNR: 4.5 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 58 VRR
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: 28 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Meshtastic 8a94 (8a94)
Hop Count: 0 hops
Status: Forward complete, Return in progress
SNR Towards: 12.0 dB 0.0 dB
Return Path: Vitoshko Rele (VRR)
SNR Back: -8.25 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic d780 (d780) Meshtastic 8a94 (8a94) Unknown 12.0 dB Origin Hops
2 Meshtastic 8a94 (8a94) LZ2PAJ (Nik) 479 m 0.0 dB Destination Hops
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 LZ2PAJ (Nik) Vitoshko Rele (VRR) 12.37 km -8.25 dB Return Start Hops
Total Forward Distance
479 m
Total Return Distance
12.37 km
Combined Traceroute Graph
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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:28 bytes
Gateway:!69854280
Channel:Bulgaria
Payload Type:TRACEROUTE_APP
Hop Count:Unknown / 2
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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !69854280
Node ID format
channel_id Bulgaria
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2794857604
Source node ID 		uint32
to 501864320
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -61.0 dBm
Signal strength at gateway 		int32
rx_snr 4.50 dB
Signal quality at gateway 		float
rx_time 1774627053
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 88
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774627053.214932
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
  • ✓ Custom channel: Bulgaria
  • ✓ 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: !69854280
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -61.0 dBm
SNR: 4.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 2997324436 ], "snr_towards": [ 12.0, 0.0 ], "route_back": [ 2996805976 ], "snr_back": [ -8.25 ], "route_node_names": { "2996805976": "Vitoshko Rele (VRR)", "2794857604": "LZ2PAJ (Nik)", "2997324436": "Meshtastic 8a94 (8a94)", "501864320": "Meshtastic d780 (d780)" }, "traceroute_packet": { "packet_data": { "id": 2533662, "timestamp": 1774627053.214932, "from_node_id": 2794857604, "to_node_id": 501864320, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!69854280", "channel_id": "Bulgaria", "mesh_packet_id": 354501555, "rssi": -61, "snr": 4.5, "hop_limit": 2, "hop_start": 2, "payload_length": 28, "processed_successfully": 1, "raw_payload": "0a04948aa7b2120230001a0458a19fb2220adfffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1774627053, "pki_encrypted": 0, "next_hop": 0, "relay_node": 88, "tx_after": 0, "timestamp_str": "2026-03-27 15:57:33 UTC", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "LZ2PAJ (Nik)", "to_node_name": "Meshtastic d780 (d780)", "relay_hex": "58", "relay_candidates": [ { "node_id": 2996805976, "node_name": "Vitoshko Rele", "hex_id": "!b29fa158", "short_name": "VRR", "last_byte": "58" } ], "gateway_name": "TheGoldTower (Gold)", "gateway_location": { "node_id": 1770340992, "latitude": 42.5721856, "longitude": 23.2783872, "altitude": 558, "timestamp": 1774816652.1478102, "timestamp_str": "2026-03-29 20:37:32", "display_name": "TheGoldTower", "long_name": "TheGoldTower", "short_name": "Gold", "hw_model": "HELTEC_V4" } }, "resolve_names": true, "packet_id": 2533662, "from_node_id": 2794857604, "to_node_id": 501864320, "timestamp": 1774627053.214932, "gateway_id": "!69854280", "raw_payload": "0a04948aa7b2120230001a0458a19fb2220adfffffffffffffffff01", "hop_limit": 2, "hop_start": 2, "from_node_name": "LZ2PAJ (Nik)", "to_node_name": "Meshtastic d780 (d780)", "route_data": { "route_nodes": [ 2997324436 ], "snr_towards": [ 12.0, 0.0 ], "route_back": [ 2996805976 ], "snr_back": [ -8.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 501864320, 2997324436, 2794857604 ], "node_names": [ "Meshtastic d780 (d780)", "Meshtastic 8a94 (8a94)", "LZ2PAJ (Nik)" ], "snr_values": [ 12.0, 0.0 ], "hops": [ { "hop_number": 1, "from_node_id": 501864320, "to_node_id": 2997324436, "from_node_name": "Meshtastic d780 (d780)", "to_node_name": "Meshtastic 8a94 (8a94)", "snr": 12.0, "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": 2, "from_node_id": 2997324436, "to_node_id": 2794857604, "from_node_name": "Meshtastic 8a94 (8a94)", "to_node_name": "LZ2PAJ (Nik)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 478.6044540580941, "from_location_timestamp": 1775308805.6263864, "to_location_timestamp": 1773101450.0297484, "from_location_age_warning": "from 1.1w later", "to_location_age_warning": "from 2.5w ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": { "path_type": "return", "node_ids": [ 2794857604, 2996805976 ], "node_names": [ "LZ2PAJ (Nik)", "Vitoshko Rele (VRR)" ], "snr_values": [ -8.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2794857604, "to_node_id": 2996805976, "from_node_name": "LZ2PAJ (Nik)", "to_node_name": "Vitoshko Rele (VRR)", "snr": -8.25, "direction": "return", "is_target_hop": false, "distance_meters": 12373.249108776785, "from_location_timestamp": 1773101450.0297484, "to_location_timestamp": 1774552484.5929167, "from_location_age_warning": "from 2.5w ago", "to_location_age_warning": "from 20.7h ago" } ], "is_complete": false, "total_hops": 1 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 501864320, 2997324436, 2794857604, 2996805976 ], "node_names": [ "Meshtastic d780 (d780)", "Meshtastic 8a94 (8a94)", "LZ2PAJ (Nik)", "Vitoshko Rele (VRR)" ], "snr_values": [ 12.0, 0.0, -8.25 ], "hops": [ { "hop_number": 1, "from_node_id": 501864320, "to_node_id": 2997324436, "from_node_name": "Meshtastic d780 (d780)", "to_node_name": "Meshtastic 8a94 (8a94)", "snr": 12.0, "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": 2, "from_node_id": 2997324436, "to_node_id": 2794857604, "from_node_name": "Meshtastic 8a94 (8a94)", "to_node_name": "LZ2PAJ (Nik)", "snr": 0.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 478.6044540580941, "from_location_timestamp": 1775308805.6263864, "to_location_timestamp": 1773101450.0297484, "from_location_age_warning": "from 1.1w later", "to_location_age_warning": "from 2.5w ago" }, { "hop_number": 3, "from_node_id": 2794857604, "to_node_id": 2996805976, "from_node_name": "LZ2PAJ (Nik)", "to_node_name": "Vitoshko Rele (VRR)", "snr": -8.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 12373.249108776785, "from_location_timestamp": 1773101450.0297484, "to_location_timestamp": 1774552484.5929167, "from_location_age_warning": "from 2.5w ago", "to_location_age_warning": "from 20.7h ago" } ], "is_complete": false, "total_hops": 3 } }, "has_return_path": true, "is_complete": true, "forward_path_display": "Meshtastic d780 (d780) → Meshtastic 8a94 (8a94) → LZ2PAJ (Nik)", "return_path_display": "LZ2PAJ (Nik) → Vitoshko Rele (VRR)", "actual_rf_path_display": "Meshtastic d780 (d780) → Meshtastic 8a94 (8a94) → LZ2PAJ (Nik) → Vitoshko Rele (VRR)", "forward_hops": [ { "hop_number": 1, "from_node_id": 501864320, "to_node_id": 2997324436, "from_node_name": "Meshtastic d780 (d780)", "to_node_name": "Meshtastic 8a94 (8a94)", "snr": 12.0, "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": 2, "from_node_id": 2997324436, "to_node_id": 2794857604, "from_node_name": "Meshtastic 8a94 (8a94)", "to_node_name": "LZ2PAJ (Nik)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 478.6044540580941, "from_location_timestamp": 1775308805.6263864, "to_location_timestamp": 1773101450.0297484, "from_location_age_warning": "from 1.1w later", "to_location_age_warning": "from 2.5w ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 2794857604, "to_node_id": 2996805976, "from_node_name": "LZ2PAJ (Nik)", "to_node_name": "Vitoshko Rele (VRR)", "snr": -8.25, "direction": "return", "is_target_hop": false, "distance_meters": 12373.249108776785, "from_location_timestamp": 1773101450.0297484, "to_location_timestamp": 1774552484.5929167, "from_location_age_warning": "from 2.5w ago", "to_location_age_warning": "from 20.7h ago" } ], "total_forward_distance": 478.6044540580941, "total_return_distance": 12373.249108776785 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!69854280", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2794857604, "to": 501864320, "id": 354501555, "rx_time": 1774627053, "rx_snr": 4.5, "rx_rssi": -61, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 88, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a04948aa7b2120230001a0458a19fb2220adfffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 2997324436 ], "snr_towards": [ 48, 0 ], "route_back": [ 2996805976 ], "snr_back": [ -33 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (28 bytes)
0a04948aa7b2120230001a0458a19fb2220adfffffffffffffffff01
Hex Analysis:
Size:28 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
TheGoldTower (Gold) Primary 0.000s
Reference 		-61.0 dBm 4.50 dB 0 58 VRR Bulgaria 2026-03-27 15:57:33 UTC Current
Vitoshko Rele (VRR) -0.147s
Before 		-67.0 dBm -8.25 dB 0 84 Nik , e784 Bulgaria 2026-03-27 15:57:33 UTC View
Bin Cho (BCGW) -0.115s
Before 		-103.0 dBm -9.25 dB 0 84 Nik , e784 Bulgaria 2026-03-27 15:57:33 UTC View
TheDarkTower (cde0) +2019.146s
After 		-118.0 dBm -4.50 dB 0 58 VRR Bulgaria 2026-03-27 16:31:12 UTC View
4

Total Receptions

4

Unique Gateways