Packet #913645 Success

TRACEROUTE_APP packet from Cereal Killer (CK) to DustyHeatsink - Phlm.sh (DSTY)

3
Total Receptions
3
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 913645
Mesh Packet ID: 0xd418669c
Used for correlation across gateways
Timestamp: 2026-07-28 03:21:34 UTC
From Node: Cereal Killer (CK)
To Node: DustyHeatsink - Phlm.sh (DSTY)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: homebase.mesh.sdr.lol (SDRB)
Channel: MediumSlow
RSSI: -106 dBm
SNR: 1.5 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: b0 CK
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 b554 (b554)
Hop Count: 0 hops
Status: Complete
SNR Towards: -8.75 dB -1.25 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Cereal Killer (CK) Meshtastic b554 (b554) 3.78 km -8.75 dB Origin Hops
Total Forward Distance
3.78 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:!43571a2c
Channel:MediumSlow
Payload Type:TRACEROUTE_APP
Hop Count:0 / 3
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

FieldValue
gateway_id !43571a2c
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2224782000
Source node ID 		uint32
to 3949493749
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr 1.50 dB
Signal quality at gateway 		float
rx_time 1785208892
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 176
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
  • ✓ 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: !43571a2c
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -106.0 dBm
SNR: 1.50 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": [ 730772820 ], "snr_towards": [ -8.75, -1.25 ], "route_back": [], "snr_back": [], "route_node_names": { "2224782000": "Cereal Killer (CK)", "730772820": "Meshtastic b554 (b554)", "3949493749": "DustyHeatsink - Phlm.sh (DSTY)" }, "traceroute_packet": { "packet_data": { "id": 913645, "timestamp": 1785208894.4661756, "from_node_id": 2224782000, "to_node_id": 3949493749, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!43571a2c", "channel_id": "MediumSlow", "mesh_packet_id": 3558368924, "rssi": -106, "snr": 1.5, "hop_limit": 3, "hop_start": 3, "payload_length": 28, "processed_successfully": 1, "raw_payload": "0a0454b58e2b1214ddffffffffffffffff01fbffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1785208892, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "raw_service_envelope": "0a5c0db07a9b8415f57d68eb18182a270cf5c14c89d28ba70f1f17ea4e0bc230f03883bcfb3d03127d80dcac6eb4bc8d0919e429e78bf6359c6618d43d3c20686a450000c03f480350016096ffffffffffffffff0178039801b001a80101120a4d656469756d536c6f771a09213433353731613263", "timestamp_str": "2026-07-28 03:21:34 UTC", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "Cereal Killer (CK)", "to_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "relay_hex": "b0", "relay_candidates": [ { "node_id": 2224782000, "node_name": "Cereal Killer", "hex_id": "!849b7ab0", "short_name": "CK", "last_byte": "b0" } ], "gateway_name": "homebase.mesh.sdr.lol (SDRB)", "gateway_location": { "node_id": 1129781804, "latitude": 39.9245312, "longitude": -75.1566848, "altitude": null, "timestamp": 1785255411.57008, "timestamp_str": "2026-07-28 16:16:51", "display_name": "homebase.mesh.sdr.lol", "long_name": "homebase.mesh.sdr.lol", "short_name": "SDRB", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 913645, "from_node_id": 2224782000, "to_node_id": 3949493749, "timestamp": 1785208894.4661756, "gateway_id": "!43571a2c", "raw_payload": "0a0454b58e2b1214ddffffffffffffffff01fbffffffffffffffff01", "hop_limit": 3, "hop_start": 3, "from_node_name": "Cereal Killer (CK)", "to_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "route_data": { "route_nodes": [ 730772820 ], "snr_towards": [ -8.75, -1.25 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2224782000, 730772820 ], "node_names": [ "Cereal Killer (CK)", "Meshtastic b554 (b554)" ], "snr_values": [ -8.75, -1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2224782000, "to_node_id": 730772820, "from_node_name": "Cereal Killer (CK)", "to_node_name": "Meshtastic b554 (b554)", "snr": -8.75, "direction": "forward", "is_target_hop": false, "distance_meters": 3778.2475436199056, "from_location_timestamp": 1785208658.0730627, "to_location_timestamp": 1785208864.953231, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 0.0h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 3949493749, 730772820, 2224782000 ], "node_names": [ "DustyHeatsink - Phlm.sh (DSTY)", "Meshtastic b554 (b554)", "Cereal Killer (CK)" ], "snr_values": [ -8.75, -1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3949493749, "to_node_id": 730772820, "from_node_name": "DustyHeatsink - Phlm.sh (DSTY)", "to_node_name": "Meshtastic b554 (b554)", "snr": -8.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 18052.269756359365, "from_location_timestamp": 1785179224.5195808, "to_location_timestamp": 1785208864.953231, "from_location_age_warning": "from 8.2h ago", "to_location_age_warning": "from 0.0h ago" }, { "hop_number": 2, "from_node_id": 730772820, "to_node_id": 2224782000, "from_node_name": "Meshtastic b554 (b554)", "to_node_name": "Cereal Killer (CK)", "snr": -1.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 3778.2475436199056, "from_location_timestamp": 1785208864.953231, "to_location_timestamp": 1785208658.0730627, "from_location_age_warning": "from 0.0h ago", "to_location_age_warning": "from 0.1h ago" } ], "is_complete": true, "total_hops": 2 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "Cereal Killer (CK) → Meshtastic b554 (b554)", "return_path_display": null, "actual_rf_path_display": "DustyHeatsink - Phlm.sh (DSTY) → Meshtastic b554 (b554) → Cereal Killer (CK)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2224782000, "to_node_id": 730772820, "from_node_name": "Cereal Killer (CK)", "to_node_name": "Meshtastic b554 (b554)", "snr": -8.75, "direction": "forward", "is_target_hop": false, "distance_meters": 3778.2475436199056, "from_location_timestamp": 1785208658.0730627, "to_location_timestamp": 1785208864.953231, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 0.0h ago" } ], "return_hops": [], "total_forward_distance": 3778.2475436199056, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2224782000, "to": 3949493749, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgRUtY4rEhTd//////////8B+///////////AQ==", "request_id": 443857461, "bitfield": 1 }, "id": 3558368924, "rx_time": 1785208892, "rx_snr": 1.5, "hop_limit": 3, "want_ack": true, "rx_rssi": -106, "hop_start": 3, "relay_node": 176, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "MediumSlow", "gateway_id": "!43571a2c" }, "mesh_packet": { "from": 2224782000, "to": 3949493749, "channel": 24, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgRUtY4rEhTd//////////8B+///////////AQ==", "request_id": 443857461, "bitfield": 1, "parsed_payload": { "route": [ 730772820 ], "snr_towards": [ -35, -5 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 3558368924, "rx_time": 1785208892, "rx_snr": 1.5, "hop_limit": 3, "want_ack": true, "rx_rssi": -106, "hop_start": 3, "relay_node": 176, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (28 bytes)
0a0454b58e2b1214ddffffffffffffffff01fbffffffffffffffff01
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
homebase.mesh.sdr.lol (SDRB) Primary 0.000s
Reference 		-106.0 dBm 1.50 dB 0 b0 CK MediumSlow 2026-07-28 03:21:34 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
Cereal Killer (CK) +2.250s
After 		Unknown Unknown 0 b0 CK MediumSlow 2026-07-28 03:21:36 UTC View
3 hops Gateways that received this packet after 3 hops
Hazelwood Palantir (HWPa) +4.470s
After 		-41.0 dBm 8.75 dB 3 95 HWTb MediumSlow 2026-07-28 03:21:38 UTC View
3

Total Receptions

3

Unique Gateways