Packet #18115873 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: 18115873
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: LongFast
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:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ba664180
Node ID format
channel_id LongFast
Default public channel
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 1774667883.447868
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-28 03:18:03 UTC Current
Meshtastic 4180 (4180) -0.327s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.294s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.272s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.243s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.216s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.178s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.143s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.112s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.062s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) -0.025s
Before
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.020s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.052s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.074s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.097s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.120s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.142s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.163s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.202s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.231s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.255s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.278s
After
Unknown Unknown 0 80 4180 MediumFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.301s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.323s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.351s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.371s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.391s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.412s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.436s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.458s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.482s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.504s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.525s
After
Unknown Unknown 0 80 4180 ShortFast 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.546s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:03 UTC View
Meshtastic 4180 (4180) +0.566s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.589s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.614s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.637s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.660s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.681s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.702s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.723s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.744s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.771s
After
Unknown Unknown 0 80 4180 ShortTurbo 2026-03-28 03:18:04 UTC View
Meshtastic 4180 (4180) +0.794s
After
Unknown Unknown 0 80 4180 LongFast 2026-03-28 03:18:04 UTC View
45

Total Receptions

1

Unique Gateways