Packet #39456095 Success

NODEINFO_APP packet from Mechanicus Alpha (M1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 39456095
Mesh Packet ID: 0x8679f6cb
Used for correlation across gateways
Timestamp: 2026-05-16 05:54:22 UTC
From Node: Mechanicus Alpha (M1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
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 / 7
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 !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 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 81 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
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 1778910860
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778910862.6288245
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: !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": 4294967295, "id": 2256139979, "rx_time": 1778910860, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "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 05:54:22 UTC Current
Mechanicus Alpha (M1) -0.131s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) -0.109s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) -0.089s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) -0.068s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) -0.047s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) -0.024s
Before
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.023s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.046s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.067s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.104s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.125s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.145s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.169s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.192s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.216s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.240s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.262s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.283s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.305s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.327s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.351s
After
Unknown Unknown 0 8c M1 MediumFast 2026-05-16 05:54:22 UTC View
Mechanicus Alpha (M1) +0.375s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.398s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.422s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.443s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.473s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.501s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.522s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.859s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.880s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.900s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.927s
After
Unknown Unknown 0 8c M1 ShortFast 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.958s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +0.981s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +1.002s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:23 UTC View
Mechanicus Alpha (M1) +1.445s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.466s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.487s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.508s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.529s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.551s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.575s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.598s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-05-16 05:54:24 UTC View
Mechanicus Alpha (M1) +1.620s
After
Unknown Unknown 0 8c M1 LongFast 2026-05-16 05:54:24 UTC View
45

Total Receptions

1

Unique Gateways