Packet #39471633 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: 39471633
Mesh Packet ID: 0xb1e1cacf
Used for correlation across gateways
Timestamp: 2026-05-16 06:47:46 UTC
From Node: Mechanicus Alpha (M1)
To Node: not a toaster (daw)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
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:LongFast
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
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ 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 LongFast
Default public channel
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 1778914066.775638
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:
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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
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
Mechanicus Alpha (M1) Primary 0.000s
Reference
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:46 UTC Current
Mechanicus Alpha (M1) -8.590s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:38 UTC View
Mechanicus Alpha (M1) -2.090s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -2.042s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -1.781s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:44 UTC View
Mechanicus Alpha (M1) -1.430s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.940s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.912s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:45 UTC View
Mechanicus Alpha (M1) -0.694s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.588s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.535s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.360s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.167s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) -0.057s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.132s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:46 UTC View
Mechanicus Alpha (M1) +0.279s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.478s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.530s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.578s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.685s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.780s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +0.980s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.138s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:47 UTC View
Mechanicus Alpha (M1) +1.428s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +1.562s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +1.812s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +1.858s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +1.879s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.043s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.128s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.199s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:48 UTC View
Mechanicus Alpha (M1) +2.264s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.343s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.619s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.706s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.861s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +2.996s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.019s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.200s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:49 UTC View
Mechanicus Alpha (M1) +3.267s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.315s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.381s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.519s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.585s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 06:47:50 UTC View
Mechanicus Alpha (M1) +3.654s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 06:47:50 UTC View
45

Total Receptions

1

Unique Gateways