Packet #668386 Success

TRACEROUTE_APP packet from Lain Iwakura (LAIN) to MeshtasticA (ju37)

3
Total Receptions
3
Unique Gateways
4
Hop Count
93
Payload Bytes
Packet Information
Database ID: 668386
Mesh Packet ID: 0xb195b968
Used for correlation across gateways
Timestamp: 2026-01-10 20:01:52 UTC
From Node: Lain Iwakura (LAIN)
To Node: MeshtasticA (ju37)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Babushkina29 (B29)
Channel: LongFast
RSSI: -110 dBm
SNR: -3.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: TRACEROUTE_APP
Size: 93 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: 69 (82c0) → !ffffffff
Hop Count: 1 hops
Status: Forward incomplete, Return in progress
SNR Towards: -14.75 dB -32.0 dB -17.25 dB
Return Path: NewHeight (K21) → ceres (crs) → Meshtastic 7c88 (7c88) → Meshtastic e85c (e85c)
SNR Back: -0.25 dB -12.75 dB 3.0 dB -13.25 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 MeshtasticA (ju37) 69 (82c0) Unknown -14.75 dB Origin Hops
2 69 (82c0) !ffffffff Unknown -32.0 dB Relay Hops
3 !ffffffff Lain Iwakura (LAIN) Unknown -17.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Lain Iwakura (LAIN) NewHeight (K21) 3.80 km -0.25 dB Return Start Hops
2 NewHeight (K21) ceres (crs) 5.78 km -12.75 dB Return Relay Hops
3 ceres (crs) Meshtastic 7c88 (7c88) Unknown 3.0 dB Return Relay Hops
4 Meshtastic 7c88 (7c88) Meshtastic e85c (e85c) Unknown -13.25 dB Return End Hops
Total Return Distance
9.59 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:93 bytes
Gateway:!db516588
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:4 / 4
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 !db516588
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (93 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661112324
Source node ID 		uint32
to 48608760
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 93 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -110.0 dBm
Signal strength at gateway 		int32
rx_snr -3.00 dB
Signal quality at gateway 		float
rx_time 1768075249
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 92
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768075312.8478272
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !db516588
Signal Metrics: RSSI: -110.0 dBm
SNR: -3.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:93 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 1770160832, 4294967295 ], "snr_towards": [ -14.75, -32.0, -17.25 ], "route_back": [ 1770354772, 1439112488, 3006233736, 2475419740 ], "snr_back": [ -0.25, -12.75, 3.0, -13.25 ], "route_node_names": { "1770160832": "69 (82c0)", "2661112324": "Lain Iwakura (LAIN)", "1439112488": "ceres (crs)", "3006233736": "Meshtastic 7c88 (7c88)", "1770354772": "NewHeight (K21)", "48608760": "MeshtasticA (ju37)", "2475419740": "Meshtastic e85c (e85c)", "4294967295": "!ffffffff" }, "traceroute_packet": { "packet_data": { "id": 668386, "timestamp": 1768075312.8478272, "from_node_id": 2661112324, "to_node_id": 48608760, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!db516588", "channel_id": "LongFast", "mesh_packet_id": 2979379560, "rssi": -110, "snr": -3.0, "hop_limit": 0, "hop_start": 4, "payload_length": 93, "processed_successfully": 1, "raw_payload": "0a08c0828269ffffffff121ec5ffffffffffffffff0180ffffffffffffffff01bbffffffffffffffff011a1054788569281dc755887c2fb35ce88b93221fffffffffffffffffff01cdffffffffffffffff010ccbffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1768075249, "pki_encrypted": 0, "next_hop": 0, "relay_node": 92, "tx_after": 0, "timestamp_str": "2026-01-10 20:01:52", "hop_count": 4, "has_payload": true, "success": 1, "from_node_name": "Lain Iwakura (LAIN)", "to_node_name": "MeshtasticA (ju37)", "gateway_name": "Babushkina29 (B29)", "gateway_location": { "node_id": 3679544712, "latitude": 59.8867968, "longitude": 30.4218112, "altitude": 20, "timestamp": 1768127343.3153687, "timestamp_str": "2026-01-11 10:29:03", "display_name": "Babushkina29", "long_name": "Babushkina29", "short_name": "B29", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 668386, "from_node_id": 2661112324, "to_node_id": 48608760, "timestamp": 1768075312.8478272, "gateway_id": "!db516588", "raw_payload": "0a08c0828269ffffffff121ec5ffffffffffffffff0180ffffffffffffffff01bbffffffffffffffff011a1054788569281dc755887c2fb35ce88b93221fffffffffffffffffff01cdffffffffffffffff010ccbffffffffffffffff01", "hop_limit": 0, "hop_start": 4, "from_node_name": "Lain Iwakura (LAIN)", "to_node_name": "MeshtasticA (ju37)", "route_data": { "route_nodes": [ 1770160832, 4294967295 ], "snr_towards": [ -14.75, -32.0, -17.25 ], "route_back": [ 1770354772, 1439112488, 3006233736, 2475419740 ], "snr_back": [ -0.25, -12.75, 3.0, -13.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 48608760, 1770160832, 4294967295, 2661112324 ], "node_names": [ "MeshtasticA (ju37)", "69 (82c0)", "!ffffffff", "Lain Iwakura (LAIN)" ], "snr_values": [ -14.75, -32.0, -17.25 ], "hops": [ { "hop_number": 1, "from_node_id": 48608760, "to_node_id": 1770160832, "from_node_name": "MeshtasticA (ju37)", "to_node_name": "69 (82c0)", "snr": -14.75, "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": 1770160832, "to_node_id": 4294967295, "from_node_name": "69 (82c0)", "to_node_name": "!ffffffff", "snr": -32.0, "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": 3, "from_node_id": 4294967295, "to_node_id": 2661112324, "from_node_name": "!ffffffff", "to_node_name": "Lain Iwakura (LAIN)", "snr": -17.25, "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": 3 }, "return_path": { "path_type": "return", "node_ids": [ 2661112324, 1770354772, 1439112488, 3006233736, 2475419740 ], "node_names": [ "Lain Iwakura (LAIN)", "NewHeight (K21)", "ceres (crs)", "Meshtastic 7c88 (7c88)", "Meshtastic e85c (e85c)" ], "snr_values": [ -0.25, -12.75, 3.0, -13.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2661112324, "to_node_id": 1770354772, "from_node_name": "Lain Iwakura (LAIN)", "to_node_name": "NewHeight (K21)", "snr": -0.25, "direction": "return", "is_target_hop": false, "distance_meters": 3801.338386574358, "from_location_timestamp": 1768054626.2666743, "to_location_timestamp": 1767694405.8576214, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 4.4d ago" }, { "hop_number": 2, "from_node_id": 1770354772, "to_node_id": 1439112488, "from_node_name": "NewHeight (K21)", "to_node_name": "ceres (crs)", "snr": -12.75, "direction": "return", "is_target_hop": false, "distance_meters": 5783.773062056535, "from_location_timestamp": 1767694405.8576214, "to_location_timestamp": 1768065008.9140506, "from_location_age_warning": "from 4.4d ago", "to_location_age_warning": "from 2.9h ago" }, { "hop_number": 3, "from_node_id": 1439112488, "to_node_id": 3006233736, "from_node_name": "ceres (crs)", "to_node_name": "Meshtastic 7c88 (7c88)", "snr": 3.0, "direction": "return", "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": 3006233736, "to_node_id": 2475419740, "from_node_name": "Meshtastic 7c88 (7c88)", "to_node_name": "Meshtastic e85c (e85c)", "snr": -13.25, "direction": "return", "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": 4 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 48608760, 1770160832, 4294967295, 2661112324, 1770354772, 1439112488, 3006233736, 2475419740 ], "node_names": [ "MeshtasticA (ju37)", "69 (82c0)", "!ffffffff", "Lain Iwakura (LAIN)", "NewHeight (K21)", "ceres (crs)", "Meshtastic 7c88 (7c88)", "Meshtastic e85c (e85c)" ], "snr_values": [ -14.75, -32.0, -17.25, -0.25, -12.75, 3.0, -13.25 ], "hops": [ { "hop_number": 1, "from_node_id": 48608760, "to_node_id": 1770160832, "from_node_name": "MeshtasticA (ju37)", "to_node_name": "69 (82c0)", "snr": -14.75, "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": 1770160832, "to_node_id": 4294967295, "from_node_name": "69 (82c0)", "to_node_name": "!ffffffff", "snr": -32.0, "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": 3, "from_node_id": 4294967295, "to_node_id": 2661112324, "from_node_name": "!ffffffff", "to_node_name": "Lain Iwakura (LAIN)", "snr": -17.25, "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" }, { "hop_number": 4, "from_node_id": 2661112324, "to_node_id": 1770354772, "from_node_name": "Lain Iwakura (LAIN)", "to_node_name": "NewHeight (K21)", "snr": -0.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 3801.338386574358, "from_location_timestamp": 1768054626.2666743, "to_location_timestamp": 1767694405.8576214, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 4.4d ago" }, { "hop_number": 5, "from_node_id": 1770354772, "to_node_id": 1439112488, "from_node_name": "NewHeight (K21)", "to_node_name": "ceres (crs)", "snr": -12.75, "direction": "return_rf", "is_target_hop": false, "distance_meters": 5783.773062056535, "from_location_timestamp": 1767694405.8576214, "to_location_timestamp": 1768065008.9140506, "from_location_age_warning": "from 4.4d ago", "to_location_age_warning": "from 2.9h ago" }, { "hop_number": 6, "from_node_id": 1439112488, "to_node_id": 3006233736, "from_node_name": "ceres (crs)", "to_node_name": "Meshtastic 7c88 (7c88)", "snr": 3.0, "direction": "return_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": 7, "from_node_id": 3006233736, "to_node_id": 2475419740, "from_node_name": "Meshtastic 7c88 (7c88)", "to_node_name": "Meshtastic e85c (e85c)", "snr": -13.25, "direction": "return_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": 7 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "MeshtasticA (ju37) → 69 (82c0) → !ffffffff → Lain Iwakura (LAIN)", "return_path_display": "Lain Iwakura (LAIN) → NewHeight (K21) → ceres (crs) → Meshtastic 7c88 (7c88) → Meshtastic e85c (e85c)", "actual_rf_path_display": "MeshtasticA (ju37) → 69 (82c0) → !ffffffff → Lain Iwakura (LAIN) → NewHeight (K21) → ceres (crs) → Meshtastic 7c88 (7c88) → Meshtastic e85c (e85c)", "forward_hops": [ { "hop_number": 1, "from_node_id": 48608760, "to_node_id": 1770160832, "from_node_name": "MeshtasticA (ju37)", "to_node_name": "69 (82c0)", "snr": -14.75, "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": 1770160832, "to_node_id": 4294967295, "from_node_name": "69 (82c0)", "to_node_name": "!ffffffff", "snr": -32.0, "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": 3, "from_node_id": 4294967295, "to_node_id": 2661112324, "from_node_name": "!ffffffff", "to_node_name": "Lain Iwakura (LAIN)", "snr": -17.25, "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": [ { "hop_number": 1, "from_node_id": 2661112324, "to_node_id": 1770354772, "from_node_name": "Lain Iwakura (LAIN)", "to_node_name": "NewHeight (K21)", "snr": -0.25, "direction": "return", "is_target_hop": false, "distance_meters": 3801.338386574358, "from_location_timestamp": 1768054626.2666743, "to_location_timestamp": 1767694405.8576214, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 4.4d ago" }, { "hop_number": 2, "from_node_id": 1770354772, "to_node_id": 1439112488, "from_node_name": "NewHeight (K21)", "to_node_name": "ceres (crs)", "snr": -12.75, "direction": "return", "is_target_hop": false, "distance_meters": 5783.773062056535, "from_location_timestamp": 1767694405.8576214, "to_location_timestamp": 1768065008.9140506, "from_location_age_warning": "from 4.4d ago", "to_location_age_warning": "from 2.9h ago" }, { "hop_number": 3, "from_node_id": 1439112488, "to_node_id": 3006233736, "from_node_name": "ceres (crs)", "to_node_name": "Meshtastic 7c88 (7c88)", "snr": 3.0, "direction": "return", "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": 3006233736, "to_node_id": 2475419740, "from_node_name": "Meshtastic 7c88 (7c88)", "to_node_name": "Meshtastic e85c (e85c)", "snr": -13.25, "direction": "return", "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" } ], "total_forward_distance": 0, "total_return_distance": 9585.111448630894 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db516588", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661112324, "to": 48608760, "id": 2979379560, "rx_time": 1768075249, "rx_snr": -3.0, "rx_rssi": -110, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 92, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08c0828269ffffffff121ec5ffffffffffffffff0180ffffffffffffffff01bbffffffffffffffff011a1054788569281dc755887c2fb35ce88b93221fffffffffffffffffff01cdffffffffffffffff010ccbffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1770160832, 4294967295 ], "snr_towards": [ -59, -128, -69 ], "route_back": [ 1770354772, 1439112488, 3006233736, 2475419740 ], "snr_back": [ -1, -51, 12, -53 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (93 bytes)
0a08c0828269ffffffff121ec5ffffffffffffffff0180ffffffffffffffff01bbffffffffffffffff011a1054788569281dc755887c2fb35ce88b93221fffffffffffffffffff01cdffffffffffffffff010ccbffffffffffffffff01
Hex Analysis:
Size:93 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 Channel Timestamp Actions
Babushkina29 (B29) Primary 0.000s
Reference 		-110.0 dBm -3.00 dB 4 LongFast 2026-01-10 20:01:52 Current
ub0jbx.ru — мост в TG (PBOT) -16.505s
Before 		-117.0 dBm -6.50 dB 1 LongFast 2026-01-10 20:01:36 View
Revolucii 50 (RE50) -0.767s
Before 		-91.0 dBm -11.25 dB 4 LongFast 2026-01-10 20:01:52 View
3

Total Receptions

3

Unique Gateways