Packet #17794479 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: 17794479
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: MediumFast
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:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
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 1774603964.6227684
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: MediumFast
  • ✓ 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": "MediumFast", "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
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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 Dominus (M4) Primary 0.000s
Reference
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC Current
Mechanicus Dominus (M4) -0.308s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.257s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.223s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.201s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.178s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.155s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.131s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.107s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.084s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.063s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.042s
Before
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) -0.021s
Before
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.022s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.047s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.070s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.093s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.116s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.137s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.158s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.179s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.201s
After
-104.0 dBm -18.25 dB 2 75 MediumFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.225s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.249s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.272s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.294s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.315s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.337s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.358s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:44 UTC View
Mechanicus Dominus (M4) +0.380s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.404s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.428s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.451s
After
-104.0 dBm -18.25 dB 2 75 ShortFast 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.473s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.494s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.516s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.537s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.559s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.583s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.607s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.630s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.653s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.675s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.696s
After
-104.0 dBm -18.25 dB 2 75 ShortTurbo 2026-03-27 09:32:45 UTC View
Mechanicus Dominus (M4) +0.724s
After
-104.0 dBm -18.25 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
Mechanicus Cadia (M3) +0.748s
After
-128.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
Mechanicus Alpha (M1) +0.772s
After
-111.0 dBm -3.75 dB 2 75 LongFast 2026-03-27 09:32:45 UTC View
47

Total Receptions

3

Unique Gateways