Packet #2874400 Success

TRACEROUTE_APP packet from K2XAP V4 MS (XAP4) to ZLLA 🦖 (ZLLA)

4
Total Receptions
4
Unique Gateways
1
Hop Count
9
Payload Bytes
Packet Information
Database ID: 2874400
Mesh Packet ID: 0x65378400
Used for correlation across gateways
Timestamp: 2025-11-29 02:43:55 UTC
From Node: K2XAP V4 MS (XAP4)
To Node: ZLLA 🦖 (ZLLA)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Meshtastic 61d0 (61d0)
Channel: MediumSlow
RSSI: -118 dBm
SNR: -17.0 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: 1c pb! , 631c
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: 9 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Poncho@MediumSlowBase (pb!)
Hop Count: 0 hops
Status: Incomplete - Final destination not reached
SNR Towards: 4.0 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 K2XAP V4 MS (XAP4) Poncho@MediumSlowBase (pb!) 2.69 km 4.0 dB Origin Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
2.69 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:9 bytes
Gateway:!9e7661d0
Channel:MediumSlow
Payload Type:TRACEROUTE_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
âš  Packet visible to MQTT subscribers
âš  Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7661d0
Node ID format
channel_id MediumSlow
packet MeshPacket (9 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2996806560
Source node ID 		uint32
to 3984684602
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 9 bytes size
hop_limit 6
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -118.0 dBm
Signal strength at gateway 		int32
rx_snr -17.00 dB
Signal quality at gateway 		float
rx_time 1764384343
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 28
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764384235.721123
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (1 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !9e7661d0
Signal Metrics: RSSI: -118.0 dBm
SNR: -17.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:9 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 1770275868 ], "snr_towards": [ 4.0 ], "route_back": [], "snr_back": [], "route_node_names": { "2996806560": "K2XAP V4 MS (XAP4)", "3984684602": "ZLLA 🦖 (ZLLA)", "1770275868": "Poncho@MediumSlowBase (pb!)" }, "traceroute_packet": { "packet_data": { "id": 2874400, "timestamp": 1764384235.721123, "from_node_id": 2996806560, "to_node_id": 3984684602, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!9e7661d0", "channel_id": "MediumSlow", "mesh_packet_id": 1698137088, "rssi": -118, "snr": -17.0, "hop_limit": 6, "hop_start": 7, "payload_length": 9, "processed_successfully": 1, "raw_payload": "0a041c448469120110", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1764384343, "pki_encrypted": 0, "next_hop": 0, "relay_node": 28, "tx_after": 0, "timestamp_str": "2025-11-29 02:43:55 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "K2XAP V4 MS (XAP4)", "to_node_name": "ZLLA 🦖 (ZLLA)", "relay_hex": "1c", "relay_candidates": [ { "node_id": 1770275868, "node_name": "Poncho@MediumSlowBase", "hex_id": "!6984441c", "short_name": "pb!", "last_byte": "1c" }, { "node_id": 3679544092, "node_name": "Meshtastic 631c", "hex_id": "!db51631c", "short_name": "631c", "last_byte": "1c" } ], "gateway_name": "Meshtastic 61d0 (61d0)", "gateway_location": { "node_id": 2658558416, "latitude": 40.6585344, "longitude": -74.0032512, "altitude": 20, "timestamp": 1764386001.6505446, "timestamp_str": "2025-11-28 22:13:21", "display_name": "Meshtastic 61d0", "long_name": "Meshtastic 61d0", "short_name": "61d0", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 2874400, "from_node_id": 2996806560, "to_node_id": 3984684602, "timestamp": 1764384235.721123, "gateway_id": "!9e7661d0", "raw_payload": "0a041c448469120110", "hop_limit": 6, "hop_start": 7, "from_node_name": "K2XAP V4 MS (XAP4)", "to_node_name": "!ed81763a", "route_data": { "route_nodes": [ 1770275868 ], "snr_towards": [ 4.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2996806560, 1770275868 ], "node_names": [ "K2XAP V4 MS (XAP4)", "Poncho@MediumSlowBase (pb!)" ], "snr_values": [ 4.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2996806560, "to_node_id": 1770275868, "from_node_name": "K2XAP V4 MS (XAP4)", "to_node_name": "Poncho@MediumSlowBase (pb!)", "snr": 4.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2694.289383338934, "from_location_timestamp": 1764343858.7833943, "to_location_timestamp": 1764343738.7171452, "from_location_age_warning": "from 11.2h ago", "to_location_age_warning": "from 11.2h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2996806560, 1770275868 ], "node_names": [ "K2XAP V4 MS (XAP4)", "Poncho@MediumSlowBase (pb!)" ], "snr_values": [ 4.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2996806560, "to_node_id": 1770275868, "from_node_name": "K2XAP V4 MS (XAP4)", "to_node_name": "Poncho@MediumSlowBase (pb!)", "snr": 4.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2694.289383338934, "from_location_timestamp": 1764343858.7833943, "to_location_timestamp": 1764343738.7171452, "from_location_age_warning": "from 11.2h ago", "to_location_age_warning": "from 11.2h ago" } ], "is_complete": false, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "K2XAP V4 MS (XAP4) → Poncho@MediumSlowBase (pb!)", "return_path_display": null, "actual_rf_path_display": "K2XAP V4 MS (XAP4) → Poncho@MediumSlowBase (pb!)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2996806560, "to_node_id": 1770275868, "from_node_name": "K2XAP V4 MS (XAP4)", "to_node_name": "Poncho@MediumSlowBase (pb!)", "snr": 4.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2694.289383338934, "from_location_timestamp": 1764343858.7833943, "to_location_timestamp": 1764343738.7171452, "from_location_age_warning": "from 11.2h ago", "to_location_age_warning": "from 11.2h ago" } ], "return_hops": [], "total_forward_distance": 2694.289383338934, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7661d0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2996806560, "to": 3984684602, "id": 1698137088, "rx_time": 1764384343, "rx_snr": -17.0, "rx_rssi": -118, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 28, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a041c448469120110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1770275868 ], "snr_towards": [ 16 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (9 bytes)
0a041c448469120110
Hex Analysis:
Size:9 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
Meshtastic 61d0 (61d0) Primary 0.000s
Reference 		-118.0 dBm -17.00 dB 1 1c pb! , 631c MediumSlow 2025-11-29 02:43:55 UTC Current
K2XAP V4 MS (XAP4) -2.584s
Before 		Unknown Unknown 0 a0 3ba0 , XAP4 MediumSlow 2025-11-29 02:43:53 UTC View
K2XAP R1int MS (XAPM) -1.906s
Before 		-55.0 dBm 9.00 dB 0 a0 3ba0 , XAP4 MediumSlow 2025-11-29 02:43:53 UTC View
Poncho@pft! | MedSlow (pft!) -1.871s
Before 		-111.0 dBm -1.00 dB 0 a0 XAP4 MediumSlow 2025-11-29 02:43:53 UTC View
4

Total Receptions

4

Unique Gateways