Packet #337308 Success

NEIGHBORINFO_APP packet from CD3APS V4 (APV4) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
145
Payload Bytes
Packet Information
Database ID: 337308
Mesh Packet ID: 0xfcd09f1a
Used for correlation across gateways
Timestamp: 2026-05-18 17:20:09 UTC
From Node: CD3APS V4 (APV4)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: CD3APS V4 (APV4)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: ec APV4
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 145 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: CD3APS V4 (APV4)
Last Sent By: CD3APS V4 (APV4)
Broadcast Interval:14400 seconds
Neighbors Found:10
10

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Meshtastic b2d4 (b2d4) -18.0 dB Unknown Unknown Poor
Grayskull (💀) 6.2 dB Unknown Unknown Excellent
Tokugawa⛩🏯 (👺) -14.0 dB Unknown Unknown Poor
NG00 Solar Node 📡 (NG00) -12.2 dB Unknown Unknown Poor
CD3APS WIP (WIP1) 5.8 dB Unknown Unknown Excellent
!5b0b6122 (6122) -20.0 dB Unknown Unknown Poor
Meshtastic 5f7c (5f7c) 6.8 dB Unknown Unknown Excellent
Meshtastic 97f0 (97f0) -9.2 dB Unknown Unknown Poor
!98882341 (2341) -18.5 dB Unknown Unknown Poor
!69831a0c (1a0c) -13.2 dB Unknown Unknown Poor
This neighbor information was reported by CD3APS V4 (APV4) and shows which nodes it can directly communicate with and their signal quality.
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:145 bytes
Gateway:!69852dec
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:0 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !69852dec
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (145 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1770335724
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum NEIGHBORINFO_APP
NEIGHBORINFO_APP 		enum
decoded.payload_length 145 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1779124809
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority BACKGROUND
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 236
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !69852dec
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:145 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 1770335724, "last_sent_by_id": 1770335724, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 2661266132, "snr": -18.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic b2d4 (b2d4)" }, { "node_id": 3694968843, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Grayskull (💀)" }, { "node_id": 978079681, "snr": -14.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Tokugawa⛩🏯 (👺)" }, { "node_id": 2784210995, "snr": -12.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "NG00 Solar Node 📡 (NG00)" }, { "node_id": 1341622088, "snr": 5.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "CD3APS WIP (WIP1)" }, { "node_id": 1527472418, "snr": -20.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!5b0b6122" }, { "node_id": 785735548, "snr": 6.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 5f7c (5f7c)" }, { "node_id": 730258759, "snr": -9.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 97f0 (97f0)" }, { "node_id": 2559058753, "snr": -18.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!98882341" }, { "node_id": 1770199564, "snr": -13.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!69831a0c" } ], "neighbor_count": 10, "node_name": "CD3APS V4 (APV4)", "last_sent_by_name": "CD3APS V4 (APV4)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1770335724, "to": 1, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "COzblMwGEOzblMwGGMBwIgsI1OX+9AkVAACQwSILCIuA8+ENFQAAyEAiCwjBn7HSAxUAAGDBIgsIs+DOrwoVAABEwSILCMiO3v8EFQAAuEAiCwiiwq3YBRUAAKDBIgsI/L7V9gIVAADYQCILCMe6m9wCFQAAFMEiCwjBxqDECRUAAJTBIgsIjLSMzAYVAABUwQ==" }, "id": 4241530650, "rx_time": 1779124809, "hop_limit": 7, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 236 }, "channel_id": "LongFast", "gateway_id": "!69852dec" }, "mesh_packet": { "from": 1770335724, "to": 1, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "COzblMwGEOzblMwGGMBwIgsI1OX+9AkVAACQwSILCIuA8+ENFQAAyEAiCwjBn7HSAxUAAGDBIgsIs+DOrwoVAABEwSILCMiO3v8EFQAAuEAiCwiiwq3YBRUAAKDBIgsI/L7V9gIVAADYQCILCMe6m9wCFQAAFMEiCwjBxqDECRUAAJTBIgsIjLSMzAYVAABUwQ==", "parsed_payload": { "node_id": 1770335724, "last_sent_by_id": 1770335724, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 2661266132, "snr": -18.0 }, { "node_id": 3694968843, "snr": 6.25 }, { "node_id": 978079681, "snr": -14.0 }, { "node_id": 2784210995, "snr": -12.25 }, { "node_id": 1341622088, "snr": 5.75 }, { "node_id": 1527472418, "snr": -20.0 }, { "node_id": 785735548, "snr": 6.75 }, { "node_id": 730258759, "snr": -9.25 }, { "node_id": 2559058753, "snr": -18.5 }, { "node_id": 1770199564, "snr": -13.25 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 4241530650, "rx_time": 1779124809, "hop_limit": 7, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 236 } }
Raw Packet Data (145 bytes)
08ecdb94cc0610ecdb94cc0618c070220b08d4e5fef40915000090c1220b088b80f3e10d150000c840220b08c19fb1d20315000060c1220b08b3e0ceaf0a15000044c1220b08c88edeff04150000b840220b08a2c2add805150000a0c1220b08fcbed5f602150000d840220b08c7ba9bdc0215000014c1220b08c1c6a0c40915000094c1220b088cb48ccc0615000054c1
Hex Analysis:
Size:145 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
CD3APS V4 (APV4) Primary 0.000s
Reference 		Unknown Unknown 0 ec APV4 LongFast 2026-05-18 17:20:09 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways