Packet #2238898 Success

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

2
Total Receptions
1
Unique Gateways
0
Hop Count
131
Payload Bytes
Packet Information
Database ID: 2238898
Mesh Packet ID: 0x55e552e3
Used for correlation across gateways
Timestamp: 2026-04-08 17:05:11 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: 131 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:9
9

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
BRC5 🇧🇬🌞 (BRC5) 11.2 dB Unknown Unknown Excellent
BRC61 TD 🇧🇬📡 (BRN4) 12.5 dB Unknown Unknown Excellent
BRC9 SC 🇧🇬📡🌞 (BRC9) 11.2 dB Unknown Unknown Excellent
BRC17 Т1КЕ 🇧🇬📡 (BRN2) 12.8 dB Unknown Unknown Excellent
BRC7 Pocket 🇧🇬 (BRC7) 11.0 dB Unknown Unknown Excellent
BRC16 TL1 🇧🇬📡 (BRN1) 12.2 dB Unknown Unknown Excellent
BRC82 T1 🇧🇬🌞 (BRT2) -1.8 dB Unknown Unknown Fair
BRC18 Т1КЕ 🇧🇬📡 (BRN3) 13.2 dB Unknown Unknown Excellent
BRC80 T1 🇧🇬🌞 (BRT0) 11.5 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:131 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 (131 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 131 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 1775667910
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:131 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2997320592, "last_sent_by_id": 2997320592, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 116732236, "snr": 11.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC5 🇧🇬🌞 (BRC5)" }, { "node_id": 4055636756, "snr": 12.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC61 TD 🇧🇬📡 (BRN4)" }, { "node_id": 2646280654, "snr": 11.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC9 SC 🇧🇬📡🌞 (BRC9)" }, { "node_id": 2718312138, "snr": 12.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC17 Т1КЕ 🇧🇬📡 (BRN2)" }, { "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)" }, { "node_id": 3572716438, "snr": 12.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC16 TL1 🇧🇬📡 (BRN1)" }, { "node_id": 3025795833, "snr": -1.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC82 T1 🇧🇬🌞 (BRT2)" }, { "node_id": 3458669088, "snr": 13.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC18 Т1КЕ 🇧🇬📡 (BRN3)" }, { "node_id": 3781224455, "snr": 11.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC80 T1 🇧🇬🌞 (BRT0)" } ], "neighbor_count": 9, "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": "CJD3nZULEJD3nZULGMBwIgoIzOLUNxUAADRBIgsIlLbwjQ8VAABIQSILCM6T7O0JFQAANEEiCwjKzZiQChUAAExBIgsI1vvL4gMVAAAwQSILCJanzacNFQAAREEiCwj59eeiCxUAAOC/IgsIoLSc8QwVAABUQSILCIfQg4sOFQAAOEE=", "bitfield": 1 }, "id": 1441092323, "rx_time": 1775667910, "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": "CJD3nZULEJD3nZULGMBwIgoIzOLUNxUAADRBIgsIlLbwjQ8VAABIQSILCM6T7O0JFQAANEEiCwjKzZiQChUAAExBIgsI1vvL4gMVAAAwQSILCJanzacNFQAAREEiCwj59eeiCxUAAOC/IgsIoLSc8QwVAABUQSILCIfQg4sOFQAAOEE=", "bitfield": 1, "parsed_payload": { "node_id": 2997320592, "last_sent_by_id": 2997320592, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 116732236, "snr": 11.25 }, { "node_id": 4055636756, "snr": 12.5 }, { "node_id": 2646280654, "snr": 11.25 }, { "node_id": 2718312138, "snr": 12.75 }, { "node_id": 1012071894, "snr": 11.0 }, { "node_id": 3572716438, "snr": 12.25 }, { "node_id": 3025795833, "snr": -1.75 }, { "node_id": 3458669088, "snr": 13.25 }, { "node_id": 3781224455, "snr": 11.5 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 1441092323, "rx_time": 1775667910, "hop_limit": 2, "priority": "BACKGROUND", "hop_start": 2, "relay_node": 144 } }
Raw Packet Data (131 bytes)
0890f79d950b1090f79d950b18c070220a08cce2d4371500003441220b0894b6f08d0f1500004841220b08ce93eced091500003441220b08cacd98900a1500004c41220b08d6fbcbe2031500003041220b0896a7cda70d1500004441220b08f9f5e7a20b150000e0bf220b08a0b49cf10c1500005441220b0887d0838b0e1500003841
Hex Analysis:
Size:131 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
BRC81 V4 GW 🇧🇬 (BRG1) Primary 0.000s
Reference 		Unknown Unknown 0 90 BRG1 Silistra 2026-04-08 17:05:11 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
BRC81 V4 GW 🇧🇬 (BRG1) -0.126s
Before 		Unknown Unknown 0 90 BRG1 Silistra 2026-04-08 17:05:11 UTC View
2

Total Receptions

1

Unique Gateways