Packet #18115884 Success

NODEINFO_APP packet from Meshtastic 4180 (4180) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 18115884
Mesh Packet ID: 0x3c6e4523
Used for correlation across gateways
Timestamp: 2026-03-28 03:18:03 UTC
From Node: Meshtastic 4180 (4180)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 4180 (4180)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 80 4180
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 4180
Short Name:4180
Node ID:!ba664180
MAC Address:ECC6ZkGA
Hardware:HELTEC_V3
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:80 bytes
Gateway:!ba664180
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ba664180
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3127263616
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 80 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 1774667882
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 128
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774667883.725691
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !ba664180
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!ba664180", "long_name": "Meshtastic 4180", "short_name": "4180", "macaddr": "ECC6ZkGA", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ba664180", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127263616, "to": 4294967295, "id": 1013859619, "rx_time": 1774667882, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 128, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216261363634313830120f4d65736874617374696320343138301a043431383022061020ba664180282b42208be049275dbde670fa8a4e9649304c4718de3953da46d5b003a06b6bc87f176f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ba664180", "long_name": "Meshtastic 4180", "short_name": "4180", "macaddr": "ECC6ZkGA", "hw_model": "HELTEC_V3", "public_key": "i+BJJ1295nD6ik6WSTBMRxjeOVPaRtWwA6Bra8h/F28=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216261363634313830120f4d65736874617374696320343138301a043431383022061020ba664180282b42208be049275dbde670fa8a4e9649304c4718de3953da46d5b003a06b6bc87f176f4800
Hex Analysis:
Size:80 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
Loading...

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Meshtastic 4180 (4180) Primary 0.000s
Reference
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC Current
Meshtastic 4180 (4180) -0.605s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.572s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.550s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.521s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.494s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.456s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.421s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.390s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.339s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.302s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.278s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.258s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.226s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.204s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.181s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.158s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.136s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.115s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.075s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.046s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.023s
Before
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.023s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.045s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.073s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.093s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.113s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.135s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.158s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.181s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.204s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.226s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.247s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.268s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.288s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.311s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.336s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.359s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.382s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.403s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.424s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.445s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.466s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.493s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.516s
After
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:04 UTC View
45

Total Receptions

1

Unique Gateways