Packet #1761086 Success

NEIGHBORINFO_APP packet from GW Nadejda SF 🇧🇬🏢🛰️ (SFGN) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
105
Payload Bytes
Packet Information
Database ID: 1761086
Mesh Packet ID: 0x88f15794
Used for correlation across gateways
Timestamp: 2026-04-05 19:00:14 UTC
From Node: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 08 SFGN
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: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
Last Sent By: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
Broadcast Interval:14400 seconds
Neighbors Found:7
7

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
LZ1NGD/R (ngdR) -3.2 dB Unknown Unknown Fair
LZ1DBM 9da0 (9da0) -1.8 dB Unknown Unknown Fair
Miro LZ3MVM (Miro) 1.8 dB Unknown Unknown Good
!e2bd81e8 (81e8) -9.0 dB Unknown Unknown Poor
OMEGA-STA-0 (🐍) -8.5 dB Unknown Unknown Poor
Vitoshko Rele (VRR) 9.5 dB Unknown Unknown Excellent
Meshtastic 3f04 (3f04) -2.8 dB Unknown Unknown Fair
This neighbor information was reported by GW Nadejda SF 🇧🇬🏢🛰️ (SFGN) 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:!9ea08f08
Channel:ShortFast
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:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !9ea08f08
Node ID format
channel_id ShortFast
packet MeshPacket (105 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2661322504
Source node ID 		uint32
to 1
Target node ID 		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 Not set int32
rx_snr Not set float
rx_time 1775415612
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 112
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 8
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: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !9ea08f08
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:105 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2661322504, "last_sent_by_id": 2661322504, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3339536890, "snr": -3.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "LZ1NGD/R (ngdR)" }, { "node_id": 2997329312, "snr": -1.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "LZ1DBM 9da0 (9da0)" }, { "node_id": 49176336, "snr": 1.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Miro LZ3MVM (Miro)" }, { "node_id": 3804070376, "snr": -9.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!e2bd81e8" }, { "node_id": 1617475120, "snr": -8.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "OMEGA-STA-0 (🐍)" }, { "node_id": 2996805976, "snr": 9.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vitoshko Rele (VRR)" }, { "node_id": 2956672772, "snr": -2.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 3f04 (3f04)" } ], "neighbor_count": 7, "node_name": "GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)", "last_sent_by_name": "GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2661322504, "to": 1, "channel": 112, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CIiegvUJEIiegvUJGMBwIgsI+pO1uAwVAABQwCILCKC7npULFQAA4L8iCgiQvrkXFQAA4D8iCwjog/aVDhUAABDBIgsIsOyigwYVAAAIwSILCNjC/pQLFQAAGEEiCwiE/uyBCxUAADDA", "bitfield": 1 }, "id": 2297517972, "rx_time": 1775415612, "hop_limit": 2, "priority": "BACKGROUND", "hop_start": 2, "relay_node": 8 }, "channel_id": "ShortFast", "gateway_id": "!9ea08f08" }, "mesh_packet": { "from": 2661322504, "to": 1, "channel": 112, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CIiegvUJEIiegvUJGMBwIgsI+pO1uAwVAABQwCILCKC7npULFQAA4L8iCgiQvrkXFQAA4D8iCwjog/aVDhUAABDBIgsIsOyigwYVAAAIwSILCNjC/pQLFQAAGEEiCwiE/uyBCxUAADDA", "bitfield": 1, "parsed_payload": { "node_id": 2661322504, "last_sent_by_id": 2661322504, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3339536890, "snr": -3.25 }, { "node_id": 2997329312, "snr": -1.75 }, { "node_id": 49176336, "snr": 1.75 }, { "node_id": 3804070376, "snr": -9.0 }, { "node_id": 1617475120, "snr": -8.5 }, { "node_id": 2996805976, "snr": 9.5 }, { "node_id": 2956672772, "snr": -2.75 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 2297517972, "rx_time": 1775415612, "hop_limit": 2, "priority": "BACKGROUND", "hop_start": 2, "relay_node": 8 } }
Raw Packet Data (105 bytes)
08889e82f50910889e82f50918c070220b08fa93b5b80c15000050c0220b08a0bb9e950b150000e0bf220a0890beb917150000e03f220b08e883f6950e15000010c1220b08b0eca2830615000008c1220b08d8c2fe940b1500001841220b0884feec810b15000030c0
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
GW Nadejda SF 🇧🇬🏢🛰️ (SFGN) Primary 0.000s
Reference 		Unknown Unknown 0 08 SFGN ShortFast 2026-04-05 19:00:14 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways