23Sys IP Scanner
Open Source Free DSGVO Konform
Desktop network scanner built with Python and Tkinter. Fast, lightweight, and feature-rich.
120
Parallel threads
3
Scan modes
3
Languages
🔍 Scanning
- Scan any IPv4 network in CIDR notation (e.g.
192.168.1.0/24) - Three scan modes: TCP only, ICMP only, Standard (ICMP + TCP)
- Parallel scanning with up to 120 threads for fast results
- Real-time progress bar and live results table
- Stop scan at any time
📊 Results Table
- Columns: IP, Hostname, MAC address, Manufacturer, Detection method, RTT (ms), Open ports
- Live search and filter across all columns
- Compare current scan with a previous one to see new/lost hosts
🔌 Smart Detection
- MAC & Manufacturer: ARP-based lookup, offline OUI database (30+ vendors), online fallback
- Port Profiles: web (80, 443, 8080), database (1433, 3306, 5432, 27017), remote (22, 3389, 5900), all, or custom
💾 Export & UI
- Export formats: CSV, JSON, HTML
- Themes: Light and Dark modes
- Languages: English, Russian, German
- Context menu: Copy IP/Hostname/MAC, Open in browser, RDP