ping

traceroute

tracert

portscan

port scanner

Free IP Tools is a convenient way to keep all important network utilities in one place. The program includes twelve popular network tools that are essential for troubleshooting network problems and for debugging network applications and services. All the tools are neatly packed inside a single program featuring a user-friendly graphical interface and adjustable settings.

Among the included utilities are customizable ping and traceroute, capable of presenting results in a convenient form.

PortScan is a port scanner utility will allow you to scan your network for open ports. It supports both the full connect mode and the stealth scanning.

HostAlive is a tool for monitoring availability of a remote host and network services provided by the host (such as HTTP or FTP server).

EmailVerify will check if a certain email address is valid by asking the corresponding server.

SNMPAudit is an advanced SNMP device scanner that can quickly and easily locate SNMP devices.

SysFiles offers an easy way to edit five system files that are important for networking: services, protocol, networks, hosts, and lmhosts.

IPBlackList is a utility that checks if the provided IP address or host is black listed at spam databases, open proxies and other popular services. This allows understanding why certain services are denied to a host.

NBScan will scan your network for available Windows shares, which includes shared files, folders, printers and other devices. This NetBIOS scanner works quickly due to the parallel scanning feature, so it can scan and enumerate all shared resources in a class C network within a minute.

RawSocket can create low-level TCP and UDP sockets to test and adjust different network services.

Shares monitors shared resources on the computer and monitors who connects to your shared files and devices. It can also be used to connect to remote shares easily.

NSLookup resolves hostnames to IP addresses and the other way around.