Packet #1049536 Success

NEIGHBORINFO_APP packet from Meshtastic 7154 (7154) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
106
Payload Bytes
Packet Information
Database ID: 1049536
Mesh Packet ID: 0x53cd769e
Used for correlation across gateways
Timestamp: 2026-03-18 02:21:42 UTC
From Node: Meshtastic 7154 (7154)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: Meshtastic 7154 (7154)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 106 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: Meshtastic 7154 (7154)
Last Sent By: Meshtastic 7154 (7154)
Broadcast Interval:14400 seconds
Neighbors Found:7
7

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
!547ecbd5 (cbd5) 6.2 dB Unknown Unknown Excellent
Meshtastic 3bf4 (3bf4) -12.2 dB Unknown Unknown Poor
iammna (mna) -18.8 dB Unknown Unknown Poor
Meshtastic fc74 (fc74) -16.5 dB Unknown Unknown Poor
around home node (kru1) -8.8 dB Unknown Unknown Poor
c808📻 (SPR2) -15.2 dB Unknown Unknown Poor
SVET (svet) 3.0 dB Unknown Unknown Good
This neighbor information was reported by Meshtastic 7154 (7154) 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:106 bytes
Gateway:!9e9d7154
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
âš  Default channel - no encryption
âš  Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e9d7154
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (106 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661118292
Source node ID
uint32
to 1
Target node ID
uint32
decoded.portnum 71
NEIGHBORINFO_APP
enum
decoded.payload_length 106 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
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 1773786112
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
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 84
Relay node ID
uint32
tx_after Not set uint32
timestamp 1773786102.0161357
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !9e9d7154
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:106 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2661118292, "last_sent_by_id": 2661118292, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1417595861, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!547ecbd5" }, { "node_id": 1771781108, "snr": -12.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 3bf4 (3bf4)" }, { "node_id": 3749099715, "snr": -18.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "iammna (mna)" }, { "node_id": 2661416052, "snr": -16.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic fc74 (fc74)" }, { "node_id": 1770338164, "snr": -8.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "around home node (kru1)" }, { "node_id": 2666579976, "snr": -15.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "c808📻 (SPR2)" }, { "node_id": 2556570331, "snr": 3.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "SVET (svet)" } ], "neighbor_count": 7, "node_name": "Meshtastic 7154 (7154)", "last_sent_by_name": "Meshtastic 7154 (7154)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9d7154", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661118292, "to": 1, "id": 1405974174, "rx_time": 1773786112, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 84, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08d4e2f5f40910d4e2f5f40918c070220b08d597fba305150000c840220b08f4f7eccc0615000044c1220b08c3f1dafb0d15000096c1220b08f4f887f50915000084c1220b08f4ee94cc061500000cc1220b088890c3f70915000074c1220b08dbd588c3091500004040", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 2661118292, "last_sent_by_id": 2661118292, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 1417595861, "snr": 6.25 }, { "node_id": 1771781108, "snr": -12.25 }, { "node_id": 3749099715, "snr": -18.75 }, { "node_id": 2661416052, "snr": -16.5 }, { "node_id": 1770338164, "snr": -8.75 }, { "node_id": 2666579976, "snr": -15.25 }, { "node_id": 2556570331, "snr": 3.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (106 bytes)
08d4e2f5f40910d4e2f5f40918c070220b08d597fba305150000c840220b08f4f7eccc0615000044c1220b08c3f1dafb0d15000096c1220b08f4f887f50915000084c1220b08f4ee94cc061500000cc1220b088890c3f70915000074c1220b08dbd588c3091500004040
Hex Analysis:
Size:106 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 Channel Timestamp Actions
Meshtastic 7154 (7154) Primary 0.000s
Reference
Unknown Unknown 0 LongFast 2026-03-18 02:21:42 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways