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Professional local Wi-Fi scanner, subnet analyzer, and TCP port auditor.
WiFi Scanner is a powerful, standalone, and professional tool designed for wireless network analysis, radio spectrum monitoring, and comprehensive security auditing of local subnets directly from your Android device. Built specifically for network administrators, sysadmins, developers, and power users, this application provides ultimate control over your network infrastructure with 100% offline processing—no external servers, no cloud tracking. Key Features: 1. Radio Spectrum Monitoring (Air Scanner) • Passive discovery of all surrounding Wi-Fi access points across 2.4 GHz and 5 GHz bands. • Real-time display of physical addresses (BSSID), signal strength (RSSI in dBm), frequencies, and wireless channels. • Automatic hardware manufacturer (vendor) detection via a local OUI database based on the BSSID. • Intelligent interference calculation and best-channel recommendations to optimize your router’s performance. • Hidden Network Detector: identify hidden access points that might be used by standalone IoT cameras or unauthorized hardware. 2. Subnet Device Discovery (Network Scanner) • High-speed multi-threaded scanning of your current Wi-Fi network or your own Hotspot clients. • Discover all active hosts with their current IP addresses and verified physical MAC addresses. • Legally bypasses modern Android (11-15) limitations to extract device MAC addresses using a combined Netlink neighbor cache and system interface parsing. • Network security checks for ARP-Spoofing and MITM (Man-in-the-Middle) vulnerabilities by detecting duplicate hardware addresses. 3. Targeted Service Auditing (TCP Port Scanner) • Flexible port scanning integrated directly into the detailed sheet of any selected device. • Two modes: fast check of a single custom port or a full deep sweep of the entire range (1–65535). • Advanced OS Fingerprinting: identifies the operating system and device type based on open network service patterns. • Automated detection of Apple MacBooks (via signature AirPlay ports 5000 & 7000), databases (MySQL, PostgreSQL, Redis), remote servers (SSH, Telnet, RDP), network printers, IP cameras, and smart home hubs. • Built-in HTTP banner grasping and RTSP analysis to safely identify specific router and hardware models. 4. Admin Utilities & Local History Logs • Send Wake-on-LAN (WOL) magic packets to remote workstations using verified physical MAC addresses. • Fully local history logger powered by an internal SQLite database: easily keep track of new, unknown, or suspicious devices joining your network over time. • Visual filtering and color-coded status badges for fast layout navigation. Absolute Privacy: The Application is completely autonomous. WiFi Scanner does not collect, transmit, or store your personal or network data on remote servers. All diagnostics are processed locally on your smartphone, ensuring 100% privacy and confidentiality