Developer
Fernando Valler
A personal corner of the web to record ideas, projects and learnings about development — from Android apps on Google Play to things I build for the web.
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Works & projects
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My IP Info
2026App that shows your public IP and location with precision: country, state, city, ZIP code, latitude, longitude, connection type, and a history of detected IPs. Clean interface, ideal for developers, IT professionals, or anyone who wants to monitor their internet connection.
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IP Toolkit
2026A set of network utilities for Android: IPv4/IPv6 generation and validation, format conversion, CIDR calculation, DNS lookups, HTTP/HTTPS status checks, port scanning, SSL/TLS certificate inspection, and local lookup history. Built for developers, IT professionals, and students.
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