Packet #1706627 Success

NEIGHBORINFO_APP packet from BRC5 LILY 🇧🇬🌞 (BRC5) to !ffffffff

1
Total Receptions
1
Unique Gateways
0
Hop Count
91
Payload Bytes
Packet Information
Database ID: 1706627
Mesh Packet ID: 0xc2c589d9
Used for correlation across gateways
Timestamp: 2026-04-02 14:41:57 UTC
From Node: BRC5 LILY 🇧🇬🌞 (BRC5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: BRC81 V4 GW 🇧🇬 (BRG1)
Channel: Silistra
RSSI: -84 dBm
SNR: 9.0 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 4c BRC5
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: 91 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: BRC5 LILY 🇧🇬🌞 (BRC5)
Last Sent By: BRC5 LILY 🇧🇬🌞 (BRC5)
Broadcast Interval:14400 seconds
Neighbors Found:6
6

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
BRC18 Т1КЕ 🇧🇬📡 (BRN3) -5.0 dB Unknown Unknown Fair
BRC80 T1 🇧🇬🌞 (BRT0) 1.2 dB Unknown Unknown Good
BRC82 T1 🇧🇬🌞 (BRT2) 9.2 dB Unknown Unknown Excellent
BRC9 SC 🇧🇬📡🌞 (BRC9) 8.8 dB Unknown Unknown Excellent
BRC61 TD 🇧🇬📡 (BRN4) -5.5 dB Unknown Unknown Poor
BRC81 V4 GW 🇧🇬 (BRG1) 8.0 dB Unknown Unknown Excellent
This neighbor information was reported by BRC5 LILY 🇧🇬🌞 (BRC5) 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:91 bytes
Gateway:!b2a77b90
Channel:Silistra
Payload Type:NEIGHBORINFO_APP
Hop Count:0 / 2
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: Silistra
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !b2a77b90
Node ID format
channel_id Silistra
packet MeshPacket (91 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 116732236
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum NEIGHBORINFO_APP
NEIGHBORINFO_APP 		enum
decoded.payload_length 91 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 -84.0 dBm
Signal strength at gateway 		int32
rx_snr 9.00 dB
Signal quality at gateway 		float
rx_time 1775140917
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 41
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 76
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: Silistra
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b2a77b90
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -84.0 dBm
SNR: 9.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:91 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 116732236, "last_sent_by_id": 116732236, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3458669088, "snr": -5.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC18 Т1КЕ 🇧🇬📡 (BRN3)" }, { "node_id": 3781224455, "snr": 1.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC80 T1 🇧🇬🌞 (BRT0)" }, { "node_id": 3025795833, "snr": 9.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC82 T1 🇧🇬🌞 (BRT2)" }, { "node_id": 2646280654, "snr": 8.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC9 SC 🇧🇬📡🌞 (BRC9)" }, { "node_id": 4055636756, "snr": -5.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC61 TD 🇧🇬📡 (BRN4)" }, { "node_id": 2997320592, "snr": 8.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BRC81 V4 GW 🇧🇬 (BRG1)" } ], "neighbor_count": 6, "node_name": "BRC5 LILY 🇧🇬🌞 (BRC5)", "last_sent_by_name": "BRC5 LILY 🇧🇬🌞 (BRC5)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 116732236, "to": 4294967295, "channel": 41, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CMzi1DcQzOLUNxjAcCILCKC0nPEMFQAAoMAiCwiH0IOLDhUAAKA/IgsI+fXnogsVAAAUQSILCM6T7O0JFQAADEEiCwiUtvCNDxUAALDAIgsIkPedlQsVAAAAQQ==", "bitfield": 1 }, "id": 3267725785, "rx_time": 1775140917, "rx_snr": 9.0, "hop_limit": 2, "rx_rssi": -84, "hop_start": 2, "relay_node": 76, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "Silistra", "gateway_id": "!b2a77b90" }, "mesh_packet": { "from": 116732236, "to": 4294967295, "channel": 41, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CMzi1DcQzOLUNxjAcCILCKC0nPEMFQAAoMAiCwiH0IOLDhUAAKA/IgsI+fXnogsVAAAUQSILCM6T7O0JFQAADEEiCwiUtvCNDxUAALDAIgsIkPedlQsVAAAAQQ==", "bitfield": 1, "parsed_payload": { "node_id": 116732236, "last_sent_by_id": 116732236, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3458669088, "snr": -5.0 }, { "node_id": 3781224455, "snr": 1.25 }, { "node_id": 3025795833, "snr": 9.25 }, { "node_id": 2646280654, "snr": 8.75 }, { "node_id": 4055636756, "snr": -5.5 }, { "node_id": 2997320592, "snr": 8.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 3267725785, "rx_time": 1775140917, "rx_snr": 9.0, "hop_limit": 2, "rx_rssi": -84, "hop_start": 2, "relay_node": 76, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (91 bytes)
08cce2d43710cce2d43718c070220b08a0b49cf10c150000a0c0220b0887d0838b0e150000a03f220b08f9f5e7a20b1500001441220b08ce93eced091500000c41220b0894b6f08d0f150000b0c0220b0890f79d950b1500000041
Hex Analysis:
Size:91 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 		-84.0 dBm 9.00 dB 0 4c BRC5 Silistra 2026-04-02 14:41:57 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways