Packet #17794489 Success

NODEINFO_APP packet from Big IRN2 (IRN2) to !ffffffff

47
Total Receptions
3
Unique Gateways
2
Hop Count
73
Payload Bytes
Packet Information
Database ID: 17794489
Mesh Packet ID: 0x5945ea87
Used for correlation across gateways
Timestamp: 2026-03-27 09:32:44 UTC
From Node: Big IRN2 (IRN2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Dominus (M4)
Channel: ShortFast
RSSI: -104 dBm
SNR: -18.25 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Relay Node: 75
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 73 bytes
Decoded: Yes
Decoded Data:
Long Name:Big IRN2
Short Name:IRN2
Node ID:!0407cef8
MAC Address:rKcEB874
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:73 bytes
Gateway:!6984d8b8
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id ShortFast
packet MeshPacket (73 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 67620600
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 73 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -104.0 dBm
Signal strength at gateway
int32
rx_snr -18.25 dB
Signal quality at gateway
float
rx_time 1774603963
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 117
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774603964.8474474
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: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6984d8b8
Signal Metrics: RSSI: -104.0 dBm
SNR: -18.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:73 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!0407cef8", "long_name": "Big IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67620600, "to": 4294967295, "id": 1497754247, "rx_time": 1774603963, "rx_snr": -18.25, "rx_rssi": -104, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 117, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921303430376365663812084269672049524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!0407cef8", "long_name": "Big IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3", "public_key": "Gag1THrTAZhcoOTgX5UJgGSpm6boTBHURK+Oym7otxA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (73 bytes)
0a0921303430376365663812084269672049524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800
Hex Analysis:
Size:73 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 Dominus (M4) Primary 0.000s
Reference
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC Current
Mechanicus Dominus (M4) -0.532s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.482s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.447s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.426s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.402s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.380s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.356s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.332s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.309s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.288s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.266s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.246s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.225s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.202s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.178s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.155s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.131s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.109s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.088s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.066s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.045s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.024s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.024s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.047s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.069s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.091s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.112s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.133s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.156s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.180s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.203s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.226s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.248s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.270s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.291s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.312s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.335s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.359s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.382s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.406s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.428s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.450s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.471s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.500s
After
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
Mechanicus Cadia (M3) +0.524s
After
-128.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
Mechanicus Alpha (M1) +0.547s
After
-111.0 dBm -3.75 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
47

Total Receptions

3

Unique Gateways