This free utility app quickly calculates subnet masks and wildcard masks for IPv4 networks. It's designed for IT professionals and students to simplify complex networking tasks and aid in certification preparation, offering offline functionality.



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This free utility app quickly calculates subnet masks and wildcard masks for IPv4 networks. It's designed for IT professionals and students to simplify complex networking tasks and aid in certification preparation, offering offline functionality.


This tool efficiently calculates IPv4 and IPv6 subnets, simplifying complex network configuration and analysis tasks. It's designed for networking professionals and enthusiasts who need a reliable way to manage subnets.


Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.


This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.


Explore your network with detailed insights into IP addresses, geolocation, and connectivity. Understand your public IP, DNS servers, and Wi-Fi details. Discover information about any public IP worldwide, including its location, ISP, and network prefixes.


Access and manage all your remote connections and passwords from a single application. Centralize your data sources and connect to servers, virtual machines, and workstations with a single tap. Securely store and automatically input credentials for various services.


A comprehensive suite of network diagnostic tools for professionals. It offers features like ARP/NDP lookup, DNS queries, IP calculations, bandwidth testing, and port scanning. Securely manage two-factor authentication codes and view network routing tables.




This utility simplifies IPv4 subnet calculations for network professionals and students. Quickly obtain detailed subnet information like network address, broadcast address, and host ranges by entering an IP address and CIDR or subnet mask.