Packet #1729128 Success

NEIGHBORINFO_APP packet from BRC81 V4 GW 🇧🇬 (BRG1) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
93
Payload Bytes
Packet Information
Database ID: 1729128
Mesh Packet ID: 0x18ffee7f
Used for correlation across gateways
Timestamp: 2026-04-03 22:48:56 UTC
From Node: BRC81 V4 GW 🇧🇬 (BRG1)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: BRC81 V4 GW 🇧🇬 (BRG1)
Channel: Silistra
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 90 BRG1
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: 93 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: BRC81 V4 GW 🇧🇬 (BRG1)
Last Sent By: BRC81 V4 GW 🇧🇬 (BRG1)
Broadcast Interval:14400 seconds
Neighbors Found:6
6

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
BRC18 Т1КЕ 🇧🇬📡 (BRN3) 13.8 dB Unknown Unknown Excellent
BRC9 SC 🇧🇬📡🌞 (BRC9) 12.2 dB Unknown Unknown Excellent
BRC16 TL1 🇧🇬📡 (BRN1) 12.8 dB Unknown Unknown Excellent
BRC17 Т1КЕ 🇧🇬📡 (BRN2) 12.5 dB Unknown Unknown Excellent
BRC80 T1 🇧🇬🌞 (BRT0) 11.0 dB Unknown Unknown Excellent
BRC7 Pocket 🇧🇬 (BRC7) 11.0 dB Unknown Unknown Excellent
This neighbor information was reported by BRC81 V4 GW 🇧🇬 (BRG1) 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:93 bytes
Gateway:!b2a77b90
Channel:Silistra
Payload Type:NEIGHBORINFO_APP
Hop Count:0 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
âš  Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !b2a77b90
Node ID format
channel_id Silistra
packet MeshPacket (93 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2997320592
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum NEIGHBORINFO_APP
NEIGHBORINFO_APP 		enum
decoded.payload_length 93 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 Not set int32
rx_snr Not set float
rx_time 1775256535
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 41
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 144
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
  • ✓ Custom channel: Silistra
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b2a77b90
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:93 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2997320592, "last_sent_by_id": 2997320592, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3458669088, "snr": 13.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC18 Т1КЕ 🇧🇬📡 (BRN3)" }, { "node_id": 2646280654, "snr": 12.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC9 SC 🇧🇬📡🌞 (BRC9)" }, { "node_id": 3572716438, "snr": 12.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC16 TL1 🇧🇬📡 (BRN1)" }, { "node_id": 2718312138, "snr": 12.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC17 Т1КЕ 🇧🇬📡 (BRN2)" }, { "node_id": 3781224455, "snr": 11.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC80 T1 🇧🇬🌞 (BRT0)" }, { "node_id": 1012071894, "snr": 11.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC7 Pocket 🇧🇬 (BRC7)" } ], "neighbor_count": 6, "node_name": "BRC81 V4 GW 🇧🇬 (BRG1)", "last_sent_by_name": "BRC81 V4 GW 🇧🇬 (BRG1)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2997320592, "to": 1, "channel": 41, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CJD3nZULEJD3nZULGMBwIgsIoLSc8QwVAABcQSILCM6T7O0JFQAAREEiCwiWp82nDRUAAExBIgsIys2YkAoVAABIQSILCIfQg4sOFQAAMEEiCwjW+8viAxUAADBB", "bitfield": 1 }, "id": 419425919, "rx_time": 1775256535, "hop_limit": 2, "priority": "BACKGROUND", "hop_start": 2, "relay_node": 144 }, "channel_id": "Silistra", "gateway_id": "!b2a77b90" }, "mesh_packet": { "from": 2997320592, "to": 1, "channel": 41, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CJD3nZULEJD3nZULGMBwIgsIoLSc8QwVAABcQSILCM6T7O0JFQAAREEiCwiWp82nDRUAAExBIgsIys2YkAoVAABIQSILCIfQg4sOFQAAMEEiCwjW+8viAxUAADBB", "bitfield": 1, "parsed_payload": { "node_id": 2997320592, "last_sent_by_id": 2997320592, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3458669088, "snr": 13.75 }, { "node_id": 2646280654, "snr": 12.25 }, { "node_id": 3572716438, "snr": 12.75 }, { "node_id": 2718312138, "snr": 12.5 }, { "node_id": 3781224455, "snr": 11.0 }, { "node_id": 1012071894, "snr": 11.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 419425919, "rx_time": 1775256535, "hop_limit": 2, "priority": "BACKGROUND", "hop_start": 2, "relay_node": 144 } }
Raw Packet Data (93 bytes)
0890f79d950b1090f79d950b18c070220b08a0b49cf10c1500005c41220b08ce93eced091500004441220b0896a7cda70d1500004c41220b08cacd98900a1500004841220b0887d0838b0e1500003041220b08d6fbcbe2031500003041
Hex Analysis:
Size:93 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
BRC81 V4 GW 🇧🇬 (BRG1) Primary 0.000s
Reference 		Unknown Unknown 0 90 BRG1 Silistra 2026-04-03 22:48:56 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways