Packet #15755877 Success

NEIGHBORINFO_APP packet from Mashino GW4 1W (MSH4) to Meshtastic 976c (976c)

2
Total Receptions
2
Unique Gateways
0
Hop Count
89
Payload Bytes
Packet Information
Database ID: 15755877
Mesh Packet ID: 0xec450904
Used for correlation across gateways
Timestamp: 2026-04-15 22:12:05 UTC
From Node: Mashino GW4 1W (MSH4)
To Node: Meshtastic 976c (976c)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: Mashino GW4 1W (MSH4)
Channel: PKI
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 89 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: Mashino GW4 1W (MSH4)
Last Sent By: Mashino GW4 1W (MSH4)
Broadcast Interval:43200 seconds
Neighbors Found:6
6

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
!d91f8790 (8790) 0.0 dB Unknown Unknown Good
Uglich GW4 2W (UGL4) 6.5 dB Unknown Unknown Excellent
R6FKA_RTR_POVAROVO4 (RPR4) -20.8 dB Unknown Unknown Poor
Kedr GW4 1W (KEDR) -10.5 dB Unknown Unknown Poor
Apollo_Baumanka_433 (ApB4) -0.5 dB Unknown Unknown Fair
ZAO Price ML 275°-085° 🇷🇺 (PML4) -17.5 dB Unknown Unknown Poor
This neighbor information was reported by Mashino GW4 1W (MSH4) 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:89 bytes
Gateway:!2f88caf0
Channel:PKI
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 4
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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !2f88caf0
Node ID format
channel_id PKI
packet MeshPacket (89 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 797494000
Source node ID
uint32
to 4187592556
Target node ID
uint32
decoded.portnum 71
NEIGHBORINFO_APP
enum
decoded.payload_length 89 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 4
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 1776280325
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 240
Relay node ID
uint32
tx_after Not set uint32
timestamp 1776280325.9139545
Unix timestamp
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: PKI
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !2f88caf0
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:89 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 797494000, "last_sent_by_id": 797494000, "node_broadcast_interval_secs": 43200, "neighbors": [ { "node_id": 3642722192, "snr": 0.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!d91f8790" }, { "node_id": 499991588, "snr": 6.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Uglich GW4 2W (UGL4)" }, { "node_id": 873969516, "snr": -20.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "R6FKA_RTR_POVAROVO4 (RPR4)" }, { "node_id": 860959292, "snr": -10.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Kedr GW4 1W (KEDR)" }, { "node_id": 2193906592, "snr": -0.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Apollo_Baumanka_433 (ApB4)" }, { "node_id": 698576788, "snr": -17.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "ZAO Price ML 275°-085° 🇷🇺 (PML4)" } ], "neighbor_count": 6, "node_name": "Mashino GW4 1W (MSH4)", "last_sent_by_name": "Mashino GW4 1W (MSH4)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!2f88caf0", "channel_id": "PKI", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 797494000, "to": 4187592556, "id": 3963947268, "rx_time": 1776280325, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 240, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08f095a3fc0210f095a3fc0218c0d102220608908ffec80d220b08a488b5ee01150000d040220b08eceedea003150000a6c1220b08bce4c49a0315000028c1220b08a0b791960815000000bf220b0894df8dcd021500008cc1", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 797494000, "last_sent_by_id": 797494000, "node_broadcast_interval_secs": 43200, "neighbors": [ { "node_id": 3642722192 }, { "node_id": 499991588, "snr": 6.5 }, { "node_id": 873969516, "snr": -20.75 }, { "node_id": 860959292, "snr": -10.5 }, { "node_id": 2193906592, "snr": -0.5 }, { "node_id": 698576788, "snr": -17.5 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (89 bytes)
08f095a3fc0210f095a3fc0218c0d102220608908ffec80d220b08a488b5ee01150000d040220b08eceedea003150000a6c1220b08bce4c49a0315000028c1220b08a0b791960815000000bf220b0894df8dcd021500008cc1
Hex Analysis:
Size:89 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
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Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Mashino GW4 1W (MSH4) Primary 0.000s
Reference
Unknown Unknown 0 PKI 2026-04-15 22:12:05 Current
ZAO Price ML 275°-085° 🇷🇺 (PML4) +38.522s
After
-84.0 dBm -7.75 dB 1 PKI 2026-04-15 22:12:44 View
2

Total Receptions

2

Unique Gateways