Packet #3109420 Success

NEIGHBORINFO_APP packet from 111 Roberts St (111R) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
42
Payload Bytes
Packet Information
Database ID: 3109420
Mesh Packet ID: 0x0f51c1a5
Used for correlation across gateways
Timestamp: 2026-04-03 23:56:24 UTC
From Node: 111 Roberts St (111R)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: 111 Roberts St (111R)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: d4 111R
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 42 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: 111 Roberts St (111R)
Last Sent By: 111 Roberts St (111R)
Broadcast Interval:21600 seconds
Neighbors Found:2
2

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Sunset Ridge | ctmesh.org (SSRG) -15.5 dB Unknown Unknown Poor
Thunderstruck (OakT) 5.2 dB Unknown Unknown Excellent
This neighbor information was reported by 111 Roberts St (111R) and shows which nodes it can directly communicate with and their signal quality.
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:42 bytes
Gateway:!435692d4
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:0 / 7
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

FieldValue
gateway_id !435692d4
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (42 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1129747156
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum NEIGHBORINFO_APP
NEIGHBORINFO_APP 		enum
decoded.payload_length 42 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 1775260583
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority BACKGROUND
Packet priority level 		enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 212
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set 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: !435692d4
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:42 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 1129747156, "last_sent_by_id": 1129747156, "node_broadcast_interval_secs": 21600, "neighbors": [ { "node_id": 2095555142, "snr": -15.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Sunset Ridge | ctmesh.org (SSRG)" }, { "node_id": 1770316816, "snr": 5.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Thunderstruck (OakT)" } ], "neighbor_count": 2, "node_name": "111 Roberts St (111R)", "last_sent_by_name": "111 Roberts St (111R)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1129747156, "to": 1, "channel": 8, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CNSl2poEENSl2poEGOCoASILCMbEnucHFQAAeMEiCwiQyJPMBhUAAKhA", "bitfield": 1 }, "id": 257016229, "rx_time": 1775260583, "hop_limit": 7, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 212 }, "channel_id": "LongFast", "gateway_id": "!435692d4" }, "mesh_packet": { "from": 1129747156, "to": 1, "channel": 8, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CNSl2poEENSl2poEGOCoASILCMbEnucHFQAAeMEiCwiQyJPMBhUAAKhA", "bitfield": 1, "parsed_payload": { "node_id": 1129747156, "last_sent_by_id": 1129747156, "node_broadcast_interval_secs": 21600, "neighbors": [ { "node_id": 2095555142, "snr": -15.5 }, { "node_id": 1770316816, "snr": 5.25 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 257016229, "rx_time": 1775260583, "hop_limit": 7, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 212 } }
Raw Packet Data (42 bytes)
08d4a5da9a0410d4a5da9a0418e0a801220b08c6c49ee70715000078c1220b0890c893cc06150000a840
Hex Analysis:
Size:42 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
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
111 Roberts St (111R) Primary 0.000s
Reference 		Unknown Unknown 0 d4 111R LongFast 2026-04-03 23:56:24 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways