Subnet

The user has to specify the network IP, network subnet and the subnet mask to which he wants the network to be broken down to.Text descriptions can be attached to any given subnet/subnet mask combination. Platforms: Windows, Mac, *nix, Python, BSD Solaris

Subnet Creator is a GUI tool that takes a range of IP addresses and returns the contiguous IP subnets needed to reproduce that range in subnets. It includes a useful library of IP manipulation routines for Qt Platforms: *nix

Free Subnet Calculator from Solarwinds generates all subnets with real-time DNS, PING and CIDR tests.This networking tool performs DNS resolution, address translation, supports CIDR and Address Class information. It calculates subnets based on Subnet Mask, Mask Bits, Host Bits, Number of Subnets... Platforms: Windows

Subnet ScanPro is a quick, easy, and FREE solution for network professionals who need computer inventory data. No installation, no client-side software, just click and run, small enough to fit on a floppy, flexible enough to meet the needs of a wide variety of environments. You get your inventory... Platforms: Windows

Subnet calculator for Microsoft Windows with support for CIDR (Classless Internet Domain Routing) and wildcard masks. Platforms: Windows

Whatmask provides a subnet info utility. Whatmask is a small C program that helps with network settings. Notations supported are CIDR (e.g. /24), Netmask (e.g. 255.255.255.0), and Wilcard Bits (e.g. 0.0.0.255). These notations are all identical. CIDR notation commonly has a "/" in front of... Platforms: *nix

A freeware program designed to find the MAC Address of any IPv4 device on your local network (subnet) even if that device is protected by a personal firewall. This program uses ARP discovery and can even find active devices that do not respond to PING. Full install/uninstall. Platforms: Windows

arphaxad is a tool providing fast subnet arp-request based scanning. It is also able to isolate a specific host (just by passing the option -p ) from the Ethernet-based network. Platforms: *nix

The Advanced IP Address Calculator is a freeware Windows 95/98/NT/2000/XP utility that lets you to calculate every aspect of your subnet configuration in a few mouse clicks! It was designed for any network engineer who needs a fast way to determine subnets. Platforms: Windows

DhcpExplorer tool allows you to discover DHCP servers on your local subnet or LAN. This is useful for locating servers that are not supposed to be on your network ( rogue DHCP servers ) as well as checking the expected output of known servers. DHCP Explorer broadcasts on the local physical subnet... Platforms: Windows

The Advanced IP Address Calculator is a freeware Windows 95/98/NT/2000/XP utility that lets you to calculate every aspect of your subnet configuration in a few mouse clicks! It was designed for any network engineer who needs a fast way to determine subnets. Platforms: Windows

The Network Development group maintains two web-accessible database systems: the Network Registration system (NetReg) and the Network Monitoring (NetMon) system. These systems were designed from the ground up at Carnegie Mellon. NetReg NetReg provides administrators a central platform for... Platforms: *nix

PHAT is a browser-based network management solution with a heavy lean toward switches, routers, and other traffic handlers which can be used to control either a single node, subnet, or vlan. As you can probably see if youre reading this, PHAT is not the worlds most useful tool... yet. The... Platforms: *nix

httpScanner is a cocoa java utility to scan the subnet entered for http servers running on the most common ports and attempt to identify them. This application, like all of my scanners, is multi-threaded for efficiency and speed. httpScanner was developed and tested using OS X, Jaguar. Platforms: Mac

TCP Profiles Manager is a utility to easily change local IP address, subnet mask, network, gateway, DNS ... all without rebooting.You can store multiple profiles per network interface (ex : MyHome, MyOffice...).Useful when you connect to multiple networks, it supports DHCP and is very easy to... Platforms: Windows

A small utility for calculating IPv4 addresses and subnet masks. It is particularly useful when designing hierarchical addressing plans. Also warns when non-CIDR address and mask combinations are attempted. - Adds option to invert (complement) critical values. Useful for determining masks. Platforms: Mac

Simple IP Config is a simple tool wrote in AutoIt to easily change common network settings. Using this application you can modify the IP address, subnet mask, gateway and DNS server. Now you can easily change your network configuration any time you want. Platforms: Windows, Windows Vista, 7

IP Configurator is a handy and reliable utility designed to enable you to quickly switch through various configurations of your network cards (IP address, subnet mask, DNS servers). It is very usefull when you must connect your PC to several LANs and each of them requires different configuration. Platforms: Windows

Pinkie is a suite of network troubleshooting utilities packaged in an intuitive, easy to use user interface. It can continuously ping multiple hosts at the same time, perform forward & reverse DNS lookups as well as traceroute automatically. Results can be logged to disk or coppied to the... Platforms: Windows

Simple IP Config is a small utility to change common Windows network settings quickly and easily. This includes IP Address, Subnet Mask, Gateway, and DNS Server. The program was written using AutoIt. Visit the Home tab to see more! Platforms: Windows