Packet #905351 Success

TRACEROUTE_APP packet from Bryn Mawr Base (BRYN) to phillymesh.net-03 (PM03)

6
Total Receptions
6
Unique Gateways
3
Hop Count
46
Payload Bytes
Packet Information
Database ID: 905351
Mesh Packet ID: 0xa17d6ef8
Used for correlation across gateways
Timestamp: 2026-07-27 08:20:09 UTC
From Node: Bryn Mawr Base (BRYN)
To Node: phillymesh.net-03 (PM03)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Cereal Killer (CK)
Channel: MediumSlow
RSSI: -41 dBm
SNR: 8.5 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Relay Node: 11 LdNi
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: 46 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Yeah.Buoy.DST (BUOY) → Meshtastic b554 (b554) → Lord Nikon (LdNi)
Hop Count: 2 hops
Status: Incomplete - Final destination not reached
SNR Towards: -13.0 dB -4.5 dB -11.25 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 Bryn Mawr Base (BRYN) Yeah.Buoy.DST (BUOY) 23.65 km -13.0 dB Origin Hops
2 Yeah.Buoy.DST (BUOY) Meshtastic b554 (b554) 16.38 km -4.5 dB Relay Hops
3 Meshtastic b554 (b554) Lord Nikon (LdNi) Unknown -11.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
40.03 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
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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:46 bytes
Gateway:!849b7ab0
Channel:MediumSlow
Payload Type:TRACEROUTE_APP
Hop Count:3 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !849b7ab0
Node ID format
channel_id MediumSlow
packet MeshPacket (46 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 382653768
Source node ID 		uint32
to 2733366240
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 46 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -41.0 dBm
Signal strength at gateway 		int32
rx_snr 8.50 dB
Signal quality at gateway 		float
rx_time 1785140408
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 17
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
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !849b7ab0
Signal Metrics: RSSI: -41.0 dBm
SNR: 8.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:46 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3883574171, 730772820, 2565808401 ], "snr_towards": [ -13.0, -4.5, -11.25 ], "route_back": [], "snr_back": [], "route_node_names": { "2733366240": "phillymesh.net-03 (PM03)", "382653768": "Bryn Mawr Base (BRYN)", "2565808401": "Lord Nikon (LdNi)", "730772820": "Meshtastic b554 (b554)", "3883574171": "Yeah.Buoy.DST (BUOY)" }, "traceroute_packet": { "packet_data": { "id": 905351, "timestamp": 1785140409.281217, "from_node_id": 382653768, "to_node_id": 2733366240, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!849b7ab0", "channel_id": "MediumSlow", "mesh_packet_id": 2709352184, "rssi": -41, "snr": 8.5, "hop_limit": 4, "hop_start": 7, "payload_length": 46, "processed_successfully": 1, "raw_payload": "0a0c9ba37ae754b58e2b1121ef98121eccffffffffffffffff01eeffffffffffffffff01d3ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1785140408, "pki_encrypted": 0, "next_hop": 0, "relay_node": 17, "tx_after": 0, "raw_service_envelope": "0a6a0d48d5ce1615e0dbeba218182a36df3ebf5beed925cd643e5f4ba192cd5be326297e9028a2e6cf3180ff1ece1d364285693060c0f8ee54ce86812c2e8bfa51df55da4cd535f86e7da13db814676a45000008414804500160d7ffffffffffffffff017807980111a80101120a4d656469756d536c6f771a09213834396237616230", "timestamp_str": "2026-07-27 08:20:09 UTC", "hop_count": 3, "has_payload": true, "success": 1, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "phillymesh.net-03 (PM03)", "relay_hex": "11", "relay_candidates": [ { "node_id": 2565808401, "node_name": "Lord Nikon", "hex_id": "!98ef2111", "short_name": "LdNi", "last_byte": "11" } ], "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": 905351, "from_node_id": 382653768, "to_node_id": 2733366240, "timestamp": 1785140409.281217, "gateway_id": "!849b7ab0", "raw_payload": "0a0c9ba37ae754b58e2b1121ef98121eccffffffffffffffff01eeffffffffffffffff01d3ffffffffffffffff01", "hop_limit": 4, "hop_start": 7, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "!a2ebdbe0", "route_data": { "route_nodes": [ 3883574171, 730772820, 2565808401 ], "snr_towards": [ -13.0, -4.5, -11.25 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 382653768, 3883574171, 730772820, 2565808401 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Yeah.Buoy.DST (BUOY)", "Meshtastic b554 (b554)", "Lord Nikon (LdNi)" ], "snr_values": [ -13.0, -4.5, -11.25 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 3883574171, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": -13.0, "direction": "forward", "is_target_hop": false, "distance_meters": 23650.429320936175, "from_location_timestamp": 1785136989.4893663, "to_location_timestamp": 1785131769.864756, "from_location_age_warning": "from 0.9h ago", "to_location_age_warning": "from 2.4h 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": -4.5, "direction": "forward", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785131769.864756, "to_location_timestamp": 1785140221.049478, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 3, "from_node_id": 730772820, "to_node_id": 2565808401, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Lord Nikon (LdNi)", "snr": -11.25, "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": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 382653768, 3883574171, 730772820, 2565808401 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Yeah.Buoy.DST (BUOY)", "Meshtastic b554 (b554)", "Lord Nikon (LdNi)" ], "snr_values": [ -13.0, -4.5, -11.25 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 3883574171, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": -13.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 23650.429320936175, "from_location_timestamp": 1785136989.4893663, "to_location_timestamp": 1785131769.864756, "from_location_age_warning": "from 0.9h ago", "to_location_age_warning": "from 2.4h 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": -4.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785131769.864756, "to_location_timestamp": 1785140221.049478, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 3, "from_node_id": 730772820, "to_node_id": 2565808401, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Lord Nikon (LdNi)", "snr": -11.25, "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" } ], "is_complete": false, "total_hops": 3 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Yeah.Buoy.DST (BUOY) → Meshtastic b554 (b554) → Lord Nikon (LdNi)", "return_path_display": null, "actual_rf_path_display": "Bryn Mawr Base (BRYN) → Yeah.Buoy.DST (BUOY) → Meshtastic b554 (b554) → Lord Nikon (LdNi)", "forward_hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 3883574171, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Yeah.Buoy.DST (BUOY)", "snr": -13.0, "direction": "forward", "is_target_hop": false, "distance_meters": 23650.429320936175, "from_location_timestamp": 1785136989.4893663, "to_location_timestamp": 1785131769.864756, "from_location_age_warning": "from 0.9h ago", "to_location_age_warning": "from 2.4h 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": -4.5, "direction": "forward", "is_target_hop": false, "distance_meters": 16379.095028719854, "from_location_timestamp": 1785131769.864756, "to_location_timestamp": 1785140221.049478, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 3, "from_node_id": 730772820, "to_node_id": 2565808401, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Lord Nikon (LdNi)", "snr": -11.25, "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": [], "total_forward_distance": 40029.52434965603, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 382653768, "to": 2733366240, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Cgybo3rnVLWOKxEh75gSHsz//////////wHu//////////8B0///////////AQ==", "want_response": true, "bitfield": 3 }, "id": 2709352184, "rx_time": 1785140408, "rx_snr": 8.5, "hop_limit": 4, "want_ack": true, "rx_rssi": -41, "hop_start": 7, "relay_node": 17, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "MediumSlow", "gateway_id": "!849b7ab0" }, "mesh_packet": { "from": 382653768, "to": 2733366240, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Cgybo3rnVLWOKxEh75gSHsz//////////wHu//////////8B0///////////AQ==", "want_response": true, "bitfield": 3, "parsed_payload": { "route": [ 3883574171, 730772820, 2565808401 ], "snr_towards": [ -52, -18, -45 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 2709352184, "rx_time": 1785140408, "rx_snr": 8.5, "hop_limit": 4, "want_ack": true, "rx_rssi": -41, "hop_start": 7, "relay_node": 17, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (46 bytes)
0a0c9ba37ae754b58e2b1121ef98121eccffffffffffffffff01eeffffffffffffffff01d3ffffffffffffffff01
Hex Analysis:
Size:46 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 		-41.0 dBm 8.50 dB 3 11 LdNi MediumSlow 2026-07-27 08:20:09 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
Bryn Mawr Base (BRYN) -7.293s
Before 		Unknown Unknown 0 48 BRYN MediumSlow 2026-07-27 08:20:01 UTC View
1 hop Gateways that received this packet after 1 hop
Hazelwood Palantir (HWPa) -4.456s
Before 		-40.0 dBm 8.75 dB 1 95 HWTb MediumSlow 2026-07-27 08:20:04 UTC View
DustyHeatsink.Pager.NJ (DSTP) -5.528s
Before 		-54.0 dBm 9.75 dB 1 9b BUOY MediumSlow 2026-07-27 08:20:03 UTC View
DustyHeatsink - Phlm.sh (DSTY) -6.010s
Before 		-20.0 dBm 9.50 dB 1 9b BUOY MediumSlow 2026-07-27 08:20:03 UTC View
3 hops Gateways that received this packet after 3 hops
homebase.mesh.sdr.lol (SDRB) +0.025s
After 		-108.0 dBm 0.25 dB 3 11 LdNi MediumSlow 2026-07-27 08:20:09 UTC View
6

Total Receptions

6

Unique Gateways