Packet #2821014 Success

NEIGHBORINFO_APP packet from LZ4NY🙋📟🇧🇬 (MIRO) to !ffffffff

1
Total Receptions
1
Unique Gateways
0
Hop Count
105
Payload Bytes
Packet Information
Database ID: 2821014
Mesh Packet ID: 0x97dee44e
Used for correlation across gateways
Timestamp: 2026-06-17 14:01:03 UTC
From Node: LZ4NY🙋📟🇧🇬 (MIRO)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: LondarVRService (a018)
Channel: Bulgaria
RSSI: -97 dBm
SNR: 6.5 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 38 VRG1
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: 105 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: LZ4NY🙋📟🇧🇬 (MIRO)
Last Sent By: Vratsa G1 🇧🇬🌐🛰️ (VRG1)
Broadcast Interval:14400 seconds
Neighbors Found:7
7

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Vratsa MK 🇧🇬🏚️🛰️ (VRMK) -6.5 dB Unknown Unknown Poor
Vratsa G2 🇧🇬 📬S&F (VRG2) 14.8 dB Unknown Unknown Excellent
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) 0.5 dB Unknown Unknown Good
Vratsa D1 🇧🇬🌞🔋🏕️ (VRD1) -1.0 dB Unknown Unknown Fair
LZ2VTK Solar (2vtk) -2.8 dB Unknown Unknown Fair
TC2-BBS VR 📬🇧🇬 (TBBS) 15.2 dB Unknown Unknown Excellent
Vratsa G1 🇧🇬🌐🛰️ (VRG1) 12.0 dB Unknown Unknown Excellent
This neighbor information was reported by LZ4NY🙋📟🇧🇬 (MIRO) 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:105 bytes
Gateway:!9e3ca018
Channel:Bulgaria
Payload Type:NEIGHBORINFO_APP
Hop Count:0 / 2
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: Bulgaria
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !9e3ca018
Node ID format
channel_id Bulgaria
packet MeshPacket (105 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1786817921
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum NEIGHBORINFO_APP
NEIGHBORINFO_APP
enum
decoded.payload_length 105 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -97.0 dBm
Signal strength at gateway
int32
rx_snr 6.50 dB
Signal quality at gateway
float
rx_time 1781704863
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 37
Channel index
uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 56
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: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: Bulgaria
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e3ca018
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -97.0 dBm
SNR: 6.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:105 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 1786817921, "last_sent_by_id": 600846648, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1128131680, "snr": -6.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vratsa MK 🇧🇬🏚️🛰️ (VRMK)" }, { "node_id": 1770175048, "snr": 14.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vratsa G2 🇧🇬 📬S&F (VRG2)" }, { "node_id": 600925432, "snr": 0.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB)" }, { "node_id": 1128049856, "snr": -1.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vratsa D1 🇧🇬🌞🔋🏕️ (VRD1)" }, { "node_id": 2314192438, "snr": -2.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "LZ2VTK Solar (2vtk)" }, { "node_id": 14241268, "snr": 15.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "TC2-BBS VR 📬🇧🇬 (TBBS)" }, { "node_id": 600846648, "snr": 12.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vratsa G1 🇧🇬🌐🛰️ (VRG1)" } ], "neighbor_count": 7, "node_name": "LZ4NY🙋📟🇧🇬 (MIRO)", "last_sent_by_name": "Vratsa G1 🇧🇬🌐🛰️ (VRG1)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1786817921, "to": 4294967295, "channel": 37, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CIHbgtQGELjiwJ4CGMBwIgsI4Nj3mQQVAADQwCILCMj0iswGFQAAbEEiCwj4ycWeAhUAAAA/IgsIwNnymQQVAACAvyILCLaMv88IFQAAMMAiCgj0m+UGFQAAdEEiCwi44sCeAhUAAEBB", "bitfield": 1 }, "id": 2547967054, "rx_time": 1781704863, "rx_snr": 6.5, "hop_limit": 2, "rx_rssi": -97, "hop_start": 2, "relay_node": 56, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "Bulgaria", "gateway_id": "!9e3ca018" }, "mesh_packet": { "from": 1786817921, "to": 4294967295, "channel": 37, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CIHbgtQGELjiwJ4CGMBwIgsI4Nj3mQQVAADQwCILCMj0iswGFQAAbEEiCwj4ycWeAhUAAAA/IgsIwNnymQQVAACAvyILCLaMv88IFQAAMMAiCgj0m+UGFQAAdEEiCwi44sCeAhUAAEBB", "bitfield": 1, "parsed_payload": { "node_id": 1786817921, "last_sent_by_id": 600846648, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1128131680, "snr": -6.5 }, { "node_id": 1770175048, "snr": 14.75 }, { "node_id": 600925432, "snr": 0.5 }, { "node_id": 1128049856, "snr": -1.0 }, { "node_id": 2314192438, "snr": -2.75 }, { "node_id": 14241268, "snr": 15.25 }, { "node_id": 600846648, "snr": 12.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 2547967054, "rx_time": 1781704863, "rx_snr": 6.5, "hop_limit": 2, "rx_rssi": -97, "hop_start": 2, "relay_node": 56, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (105 bytes)
0881db82d40610b8e2c09e0218c070220b08e0d8f79904150000d0c0220b08c8f48acc061500006c41220b08f8c9c59e02150000003f220b08c0d9f2990415000080bf220b08b68cbfcf0815000030c0220a08f49be5061500007441220b08b8e2c09e021500004041
Hex Analysis:
Size:105 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
LondarVRService (a018) Primary 0.000s
Reference
-97.0 dBm 6.50 dB 0 38 VRG1 Bulgaria 2026-06-17 14:01:03 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways