Packet #2848680 Success

NEIGHBORINFO_APP packet from Meshtastic 92a0 (92a0) to !ffffffff

1
Total Receptions
1
Unique Gateways
3
Hop Count
145
Payload Bytes
Packet Information
Database ID: 2848680
Mesh Packet ID: 0x18859ab8
Used for correlation across gateways
Timestamp: 2026-04-17 05:45:46 UTC
From Node: Meshtastic 92a0 (92a0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: Paxy (7eac)
Channel: MediumFast
RSSI: -118 dBm
SNR: -6.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 145 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: Meshtastic 92a0 (92a0)
Last Sent By: Meshtastic c64c (c64c)
Broadcast Interval:571 seconds
Neighbors Found:10
10

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Meshtastic c64c (c64c) 9.0 dB Unknown Unknown Excellent
PeaceaZemun_5 (PxZ5) -7.8 dB Unknown Unknown Poor
Obrenovac004 (Obr4) -6.0 dB Unknown Unknown Poor
crms.bg.zemun (CRM) 4.0 dB Unknown Unknown Good
Obr A Pristanište (ObrA) -5.5 dB Unknown Unknown Poor
VoZhdOvAtZ M3 (Obr6) -3.8 dB Unknown Unknown Fair
Vršac - Kula RPT ⛰️ (ZiVS) -11.2 dB Unknown Unknown Poor
BG Vidikovac GTI (BGVD) -8.8 dB Unknown Unknown Poor
Radio-Klub_PA🗼 (RK.P) 6.2 dB Unknown Unknown Excellent
YT5KIZ (Cer) -3.8 dB Unknown Unknown Fair
This neighbor information was reported by Meshtastic 92a0 (92a0) 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:145 bytes
Gateway:!43b77eac
Channel:MediumFast
Payload Type:NEIGHBORINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43b77eac
Node ID format
channel_id MediumFast
packet MeshPacket (145 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1127977632
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 145 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -118.0 dBm
Signal strength at gateway 		int32
rx_snr -6.50 dB
Signal quality at gateway 		float
rx_time 1776404744
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 Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node Not set uint32
tx_after Not set uint32
timestamp 1776404746.5668268
Unix timestamp 		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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b77eac
Signal Metrics: RSSI: -118.0 dBm
SNR: -6.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:145 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 1127977632, "last_sent_by_id": 1129956940, "node_broadcast_interval_secs": 571, "neighbors": [ { "node_id": 1129956940, "snr": 9.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic c64c (c64c)" }, { "node_id": 2654678536, "snr": -7.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "PeaceaZemun_5 (PxZ5)" }, { "node_id": 1128046960, "snr": -6.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Obrenovac004 (Obr4)" }, { "node_id": 3701431620, "snr": 4.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "crms.bg.zemun (CRM)" }, { "node_id": 3664034088, "snr": -5.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Obr A Pristanište (ObrA)" }, { "node_id": 1343930078, "snr": -3.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "VoZhdOvAtZ M3 (Obr6)" }, { "node_id": 1128114080, "snr": -11.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Vršac - Kula RPT ⛰️ (ZiVS)" }, { "node_id": 2224706372, "snr": -8.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "BG Vidikovac GTI (BGVD)" }, { "node_id": 3663132280, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Radio-Klub_PA🗼 (RK.P)" }, { "node_id": 2661329952, "snr": -3.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "YT5KIZ (Cer)" } ], "neighbor_count": 10, "node_name": "Meshtastic 92a0 (92a0)", "last_sent_by_name": "Meshtastic c64c (c64c)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b77eac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1127977632, "to": 4294967295, "id": 411409080, "rx_time": 1776404744, "rx_snr": -6.5, "rx_rssi": -118, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08a0a5ee990410cc8ce79a0418bb04220b08cc8ce79a041500001041220b0888dcecf109150000f8c0220b08f0c2f29904150000c0c0220b08c4bafde40d1500008040220b08a8f292d30d150000b0c0220b08defdea800515000070c0220b08a0cff6990415000034c1220b08c4a6e9a4081500000cc1220b08f8ecdbd20d150000c840220b08a0d882f50915000070c0", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 1127977632, "last_sent_by_id": 1129956940, "node_broadcast_interval_secs": 571, "neighbors": [ { "node_id": 1129956940, "snr": 9.0 }, { "node_id": 2654678536, "snr": -7.75 }, { "node_id": 1128046960, "snr": -6.0 }, { "node_id": 3701431620, "snr": 4.0 }, { "node_id": 3664034088, "snr": -5.5 }, { "node_id": 1343930078, "snr": -3.75 }, { "node_id": 1128114080, "snr": -11.25 }, { "node_id": 2224706372, "snr": -8.75 }, { "node_id": 3663132280, "snr": 6.25 }, { "node_id": 2661329952, "snr": -3.75 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (145 bytes)
08a0a5ee990410cc8ce79a0418bb04220b08cc8ce79a041500001041220b0888dcecf109150000f8c0220b08f0c2f29904150000c0c0220b08c4bafde40d1500008040220b08a8f292d30d150000b0c0220b08defdea800515000070c0220b08a0cff6990415000034c1220b08c4a6e9a4081500000cc1220b08f8ecdbd20d150000c840220b08a0d882f50915000070c0
Hex Analysis:
Size:145 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
Paxy (7eac) Primary 0.000s
Reference 		-118.0 dBm -6.50 dB 3 MediumFast 2026-04-17 05:45:46 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways