๐ NetG - the most complete networking toolkit for Android.
Whether you're a network engineer, sysadmin, DevOps engineer, cybersecurity professional, or IT student โ NetG has every tool you need in one fast, beautiful, offline-first app.
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๐ก SUBNET CALCULATOR
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โข Full IPv4 subnet calculator
โข Network address, broadcast, first & last host
โข Subnet mask, wildcard mask, CIDR notation
โข Binary representation with octet breakdown
โข IP class detection (A/B/C/D/E)
โข Private vs public detection
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๐งฎ ADVANCED TOOLS
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โข VLSM Calculator โ variable-length subnet masking
โข IPv6 Calculator โ full 128-bit subnet support
โข IP Converter โ decimal, binary, hex
โข Subnet Calculator
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๐ง NETWORK UTILITIES
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โข Ping Tool โ TCP-based reachability with RTT stats
โข DNS Lookup โ A, AAAA, MX, NS, TXT, CNAME, SOA via DNS-over-HTTPS
โข Port Scanner โ check open TCP ports (advanced)
โข IP Geolocation โ country, ISP, ASN, coordinates
โข WiFi Info โ local IP, gateway, DNS, signal
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๐จโ๐ป DEVELOPER TOOLS
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โข Base64 encode/decode
โข Hash generator: MD5, SHA-1, SHA-256, SHA-512
โข JWT decoder โ inspect token claims instantly
โข JSON formatter and prettifier
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๐ LEARN SUBNETTING
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โข 7 in-depth lessons with examples and tips
โข IPv4, IPv6, VLSM, routing, network design
โข 22-question quiz with Easy, Medium & Hard modes
โข Explanations for every answer
โข Perfect for CCNA, CompTIA Network+ exam prep
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โจ APP FEATURES
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โข 100% OFFLINE โ all calculations work without internet
โข Calculation history with favorites and search
โข Save networks with custom labels
โข Copy any result to clipboard with one tap
โข Dark mode, light mode & Material You dynamic color
โข Material Design 3 โ smooth and modern UI
Built by engineers, for engineers.
--- PERMISSIONS ---
INTERNET: required for ping, DNS lookup, IP geolocation, and ads.
WIFI STATE: used to display local network info.
No location, camera, or storage permissions.