Packet #141692 Success

TRACEROUTE_APP packet from !b2515c57 to Bryn Mawr Base (BRYN)

1
Total Receptions
1
Unique Gateways
5
Hop Count
97
Payload Bytes
Packet Information
Database ID: 141692
Mesh Packet ID: 0x6667714a
Used for correlation across gateways
Timestamp: 2026-06-08 06:51:20 UTC
From Node: !b2515c57 (5c57)
To Node: Bryn Mawr Base (BRYN)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: IsenMesh.Base2.PA (ISB2)
Channel: LongFast
RSSI: -104 dBm
SNR: -8.5 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Relay Node: a3
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TRACEROUTE_APP
Size: 97 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Bryn Mawr Base (BRYN) → !b2515c57
Hop Count: 1 hops
Status: Forward incomplete, Return in progress
SNR Towards: 0.0 dB -15.5 dB
Return Path: Meshtastic 51a8 (51a8) → Columbidae (PIJN) → Fox H2T 170b (170b) → Preem (PR3M) → GCARC Clubhouse (HAM1)
SNR Back: -17.0 dB -14.75 dB -7.75 dB -17.25 dB -8.5 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) Bryn Mawr Base (BRYN) 0 m 0.0 dB Origin Hops
2 Bryn Mawr Base (BRYN) !b2515c57 Unknown -15.5 dB Relay Hops
3 !b2515c57 !b2515c57 Unknown Unknown Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 !b2515c57 Meshtastic 51a8 (51a8) Unknown -17.0 dB Return Start Hops
2 Meshtastic 51a8 (51a8) Columbidae (PIJN) Unknown -14.75 dB Return Relay Hops
3 Columbidae (PIJN) Fox H2T 170b (170b) Unknown -7.75 dB Return Relay Hops
4 Fox H2T 170b (170b) Preem (PR3M) 0 m -17.25 dB Return Relay Hops
5 Preem (PR3M) GCARC Clubhouse (HAM1) 34.98 km -8.5 dB Return End Hops
Total Return Distance
34.98 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:97 bytes
Gateway:!6985941c
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:5 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !6985941c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (97 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2991676503
Source node ID 		uint32
to 382653768
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 97 bytes size
hop_limit Not set uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 5
Calculated: hop_start - hop_limit 		derived
rx_rssi -104.0 dBm
Signal strength at gateway 		int32
rx_snr -8.50 dB
Signal quality at gateway 		float
rx_time 1780901439
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 163
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)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6985941c
Signal Metrics: RSSI: -104.0 dBm
SNR: -8.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:97 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 382653768, 2991676503 ], "snr_towards": [ 0.0, -15.5 ], "route_back": [ 1771852200, 2145518103, 4240578315, 1770331924, 3376478883 ], "snr_back": [ -17.0, -14.75, -7.75, -17.25, -8.5 ], "route_node_names": { "3376478883": "GCARC Clubhouse (HAM1)", "382653768": "Bryn Mawr Base (BRYN)", "1771852200": "Meshtastic 51a8 (51a8)", "4240578315": "Fox H2T 170b (170b)", "1770331924": "Preem (PR3M)", "2991676503": "!b2515c57", "2145518103": "Columbidae (PIJN)" }, "traceroute_packet": { "packet_data": { "id": 141692, "timestamp": 1780901480.4228978, "from_node_id": 2991676503, "to_node_id": 382653768, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!6985941c", "channel_id": "LongFast", "mesh_packet_id": 1718055242, "rssi": -104, "snr": -8.5, "hop_limit": 0, "hop_start": 5, "payload_length": 97, "processed_successfully": 1, "raw_payload": "0a0848d5ce16575c51b2120b00c2ffffffffffffffff011a14a8519c691702e27f0b17c2fc141f8569a3fa40c92232bcffffffffffffffff01c5ffffffffffffffff01e1ffffffffffffffff01bbffffffffffffffff01deffffffffffffffff01", "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1780901439, "pki_encrypted": 0, "next_hop": 0, "relay_node": 163, "tx_after": 0, "raw_service_envelope": "0a9d010d575c51b21548d5ce1618082a6ce6b27b6e2b5edba3f94d9375550b35ba0440e7d74950883db4c1e977f09861a06cac64f7347657476ae895001fc2563d3f05cc6b27c05fd15c8ee2ee0f7c9826e4964818f5239a502db4c8a46cef601daed0bf93129f891234db2f535226a19a80c4ca5bd3e5bb55c6db4632354a7167663d3f66266a45000008c16098ffffffffffffffff0178059801a301a8010112084c6f6e67466173741a09213639383539343163", "timestamp_str": "2026-06-08 06:51:20 UTC", "hop_count": 5, "has_payload": true, "success": 1, "from_node_name": "!b2515c57", "to_node_name": "Bryn Mawr Base (BRYN)", "relay_hex": "a3", "relay_candidates": [], "gateway_name": "IsenMesh.Base2.PA (ISB2)", "gateway_location": { "node_id": 1770361884, "latitude": 39.8393344, "longitude": -75.464704, "altitude": 53, "timestamp": 1782063640.1785848, "timestamp_str": "2026-06-21 17:40:40", "display_name": "IsenMesh.Base2.PA", "long_name": "IsenMesh.Base2.PA", "short_name": "ISB2", "hw_model": "HELTEC_V4" } }, "resolve_names": true, "packet_id": 141692, "from_node_id": 2991676503, "to_node_id": 382653768, "timestamp": 1780901480.4228978, "gateway_id": "!6985941c", "raw_payload": "0a0848d5ce16575c51b2120b00c2ffffffffffffffff011a14a8519c691702e27f0b17c2fc141f8569a3fa40c92232bcffffffffffffffff01c5ffffffffffffffff01e1ffffffffffffffff01bbffffffffffffffff01deffffffffffffffff01", "hop_limit": 0, "hop_start": 5, "from_node_name": "!b2515c57", "to_node_name": "Bryn Mawr Base (BRYN)", "route_data": { "route_nodes": [ 382653768, 2991676503 ], "snr_towards": [ 0.0, -15.5 ], "route_back": [ 1771852200, 2145518103, 4240578315, 1770331924, 3376478883 ], "snr_back": [ -17.0, -14.75, -7.75, -17.25, -8.5 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 382653768, 382653768, 2991676503, 2991676503 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Bryn Mawr Base (BRYN)", "!b2515c57", "!b2515c57" ], "snr_values": [ 0.0, -15.5 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780888449.409984, "to_location_timestamp": 1780888449.409984, "from_location_age_warning": "from 3.6h ago", "to_location_age_warning": "from 3.6h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "!b2515c57", "snr": -15.5, "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": 2991676503, "to_node_id": 2991676503, "from_node_name": "!b2515c57", "to_node_name": "!b2515c57", "snr": null, "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": [ 2991676503, 1771852200, 2145518103, 4240578315, 1770331924, 3376478883 ], "node_names": [ "!b2515c57", "Meshtastic 51a8 (51a8)", "Columbidae (PIJN)", "Fox H2T 170b (170b)", "Preem (PR3M)", "GCARC Clubhouse (HAM1)" ], "snr_values": [ -17.0, -14.75, -7.75, -17.25, -8.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2991676503, "to_node_id": 1771852200, "from_node_name": "!b2515c57", "to_node_name": "Meshtastic 51a8 (51a8)", "snr": -17.0, "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": 2, "from_node_id": 1771852200, "to_node_id": 2145518103, "from_node_name": "Meshtastic 51a8 (51a8)", "to_node_name": "Columbidae (PIJN)", "snr": -14.75, "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": 3, "from_node_id": 2145518103, "to_node_id": 4240578315, "from_node_name": "Columbidae (PIJN)", "to_node_name": "Fox H2T 170b (170b)", "snr": -7.75, "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": 4240578315, "to_node_id": 1770331924, "from_node_name": "Fox H2T 170b (170b)", "to_node_name": "Preem (PR3M)", "snr": -17.25, "direction": "return", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780898982.781082, "to_location_timestamp": 1781266288.699982, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 4.2d later" }, { "hop_number": 5, "from_node_id": 1770331924, "to_node_id": 3376478883, "from_node_name": "Preem (PR3M)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -8.5, "direction": "return", "is_target_hop": false, "distance_meters": 34978.89942037357, "from_location_timestamp": 1781266288.699982, "to_location_timestamp": 1780898834.6505764, "from_location_age_warning": "from 4.2d later", "to_location_age_warning": "from 0.7h ago" } ], "is_complete": false, "total_hops": 5 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 382653768, 2991676503, 1771852200, 2145518103, 4240578315, 1770331924, 3376478883 ], "node_names": [ "Bryn Mawr Base (BRYN)", "!b2515c57", "Meshtastic 51a8 (51a8)", "Columbidae (PIJN)", "Fox H2T 170b (170b)", "Preem (PR3M)", "GCARC Clubhouse (HAM1)" ], "snr_values": [ 0.0, -15.5, -17.0, -14.75, -7.75, -17.25, -8.5 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780888449.409984, "to_location_timestamp": 1780888449.409984, "from_location_age_warning": "from 3.6h ago", "to_location_age_warning": "from 3.6h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "!b2515c57", "snr": -15.5, "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": 2991676503, "to_node_id": 1771852200, "from_node_name": "!b2515c57", "to_node_name": "Meshtastic 51a8 (51a8)", "snr": -17.0, "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": 4, "from_node_id": 1771852200, "to_node_id": 2145518103, "from_node_name": "Meshtastic 51a8 (51a8)", "to_node_name": "Columbidae (PIJN)", "snr": -14.75, "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": 5, "from_node_id": 2145518103, "to_node_id": 4240578315, "from_node_name": "Columbidae (PIJN)", "to_node_name": "Fox H2T 170b (170b)", "snr": -7.75, "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": 6, "from_node_id": 4240578315, "to_node_id": 1770331924, "from_node_name": "Fox H2T 170b (170b)", "to_node_name": "Preem (PR3M)", "snr": -17.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780898982.781082, "to_location_timestamp": 1781266288.699982, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 4.2d later" }, { "hop_number": 7, "from_node_id": 1770331924, "to_node_id": 3376478883, "from_node_name": "Preem (PR3M)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -8.5, "direction": "return_rf", "is_target_hop": false, "distance_meters": 34978.89942037357, "from_location_timestamp": 1781266288.699982, "to_location_timestamp": 1780898834.6505764, "from_location_age_warning": "from 4.2d later", "to_location_age_warning": "from 0.7h ago" } ], "is_complete": false, "total_hops": 7 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Bryn Mawr Base (BRYN) → !b2515c57 → !b2515c57", "return_path_display": "!b2515c57 → Meshtastic 51a8 (51a8) → Columbidae (PIJN) → Fox H2T 170b (170b) → Preem (PR3M) → GCARC Clubhouse (HAM1)", "actual_rf_path_display": "Bryn Mawr Base (BRYN) → !b2515c57 → Meshtastic 51a8 (51a8) → Columbidae (PIJN) → Fox H2T 170b (170b) → Preem (PR3M) → GCARC Clubhouse (HAM1)", "forward_hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780888449.409984, "to_location_timestamp": 1780888449.409984, "from_location_age_warning": "from 3.6h ago", "to_location_age_warning": "from 3.6h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "!b2515c57", "snr": -15.5, "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": 2991676503, "to_node_id": 2991676503, "from_node_name": "!b2515c57", "to_node_name": "!b2515c57", "snr": null, "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": 2991676503, "to_node_id": 1771852200, "from_node_name": "!b2515c57", "to_node_name": "Meshtastic 51a8 (51a8)", "snr": -17.0, "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": 2, "from_node_id": 1771852200, "to_node_id": 2145518103, "from_node_name": "Meshtastic 51a8 (51a8)", "to_node_name": "Columbidae (PIJN)", "snr": -14.75, "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": 3, "from_node_id": 2145518103, "to_node_id": 4240578315, "from_node_name": "Columbidae (PIJN)", "to_node_name": "Fox H2T 170b (170b)", "snr": -7.75, "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": 4240578315, "to_node_id": 1770331924, "from_node_name": "Fox H2T 170b (170b)", "to_node_name": "Preem (PR3M)", "snr": -17.25, "direction": "return", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1780898982.781082, "to_location_timestamp": 1781266288.699982, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 4.2d later" }, { "hop_number": 5, "from_node_id": 1770331924, "to_node_id": 3376478883, "from_node_name": "Preem (PR3M)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -8.5, "direction": "return", "is_target_hop": false, "distance_meters": 34978.89942037357, "from_location_timestamp": 1781266288.699982, "to_location_timestamp": 1780898834.6505764, "from_location_age_warning": "from 4.2d later", "to_location_age_warning": "from 0.7h ago" } ], "total_forward_distance": 0.0, "total_return_distance": 34978.89942037357 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2991676503, "to": 382653768, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CghI1c4WV1xRshILAML//////////wEaFKhRnGkXAuJ/CxfC/BQfhWmj+kDJIjK8//////////8Bxf//////////AeH//////////wG7//////////8B3v//////////AQ==", "request_id": 1363365432, "bitfield": 1 }, "id": 1718055242, "rx_time": 1780901439, "rx_snr": -8.5, "rx_rssi": -104, "hop_start": 5, "relay_node": 163, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!6985941c" }, "mesh_packet": { "from": 2991676503, "to": 382653768, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CghI1c4WV1xRshILAML//////////wEaFKhRnGkXAuJ/CxfC/BQfhWmj+kDJIjK8//////////8Bxf//////////AeH//////////wG7//////////8B3v//////////AQ==", "request_id": 1363365432, "bitfield": 1, "parsed_payload": { "route": [ 382653768, 2991676503 ], "snr_towards": [ 0, -62 ], "route_back": [ 1771852200, 2145518103, 4240578315, 1770331924, 3376478883 ], "snr_back": [ -68, -59, -31, -69, -34 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 1718055242, "rx_time": 1780901439, "rx_snr": -8.5, "rx_rssi": -104, "hop_start": 5, "relay_node": 163, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (97 bytes)
0a0848d5ce16575c51b2120b00c2ffffffffffffffff011a14a8519c691702e27f0b17c2fc141f8569a3fa40c92232bcffffffffffffffff01c5ffffffffffffffff01e1ffffffffffffffff01bbffffffffffffffff01deffffffffffffffff01
Hex Analysis:
Size:97 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
IsenMesh.Base2.PA (ISB2) Primary 0.000s
Reference 		-104.0 dBm -8.50 dB 5 a3 LongFast 2026-06-08 06:51:20 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways