Packet #39471721 Success

NODEINFO_APP packet from Mechanicus Alpha (M1) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 39471721
Mesh Packet ID: 0xb1e1cacf
Used for correlation across gateways
Timestamp: 2026-05-16 06:47:48 UTC
From Node: Mechanicus Alpha (M1)
To Node: not a toaster (daw)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 8c M1
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: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:Mechanicus Alpha
Short Name:M1
Node ID:!433e868c
MAC Address:SMpDPoaM
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:81 bytes
Gateway:!433e868c
Channel:ShortTurbo
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
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 !433e868c
Node ID format
channel_id ShortTurbo
packet MeshPacket (81 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128171148
Source node ID
uint32
to 2571147703
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 81 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
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 1778914033
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778914068.818569
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !433e868c
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:81 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128171148, "to": 2571147703, "id": 2984364751, "rx_time": 1778914033, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3", "role": "CLIENT_BASE", "public_key": "xO5ohs1gMjja3iG9sNabiZB1NOb9tCrUR/+CnOpnoH8=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801
Hex Analysis:
Size:81 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 Relay Channel Timestamp Actions
Mechanicus Alpha (M1) Primary 0.000s
Reference
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC Current
Mechanicus Alpha (M1) -10.633s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:38 UTC View
Mechanicus Alpha (M1) -4.133s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -4.085s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -3.824s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -3.473s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -2.983s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -2.955s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -2.737s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.631s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.578s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.403s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.210s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.100s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -2.043s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -1.911s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -1.763s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.565s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.513s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.465s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.358s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.263s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -1.063s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -0.905s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) -0.615s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) -0.481s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) -0.231s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) -0.185s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) -0.164s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +0.085s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +0.156s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +0.221s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.300s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.576s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.664s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.818s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.953s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +0.977s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +1.157s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +1.224s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +1.272s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +1.338s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +1.476s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +1.542s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +1.611s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
45

Total Receptions

1

Unique Gateways