NetPenguin
NetPenguin - including following network tools:IP Scanner which can find IP address;LAN Scanner which can scan IP addresses in ethernet LAN;Ping;netstat;Port Scanner;Domain Name Search which can...
http://www.netpenguin.net/software/NetPenguin.exe - 9Mb - Download - Screenshot

a-Change Mac Address
Change Mac Address in seconds! Scan Mac Address within any range of IP address. Exports the scanning results from a Mac Address Lookup list. Spoofing the Mac Address of your network card to any new Mac Address. It makes ping mac address possible. Use this mac address finder to search proper mac... It scan any range of IP for the proper Mac Address. ... It checks your Mac Address inputting. ... your computer name, Mac Addresses and IP etc. ... It displays the information of your computer. ... ) It support changing mac address searching speed.
http://amac.paqtool.com/images/amac.exe - 689Kb - Download - Screenshot

Show IP
Show IP is a simple utility to recognize your real internet IP. Show IP is a little utility that will return your actual Internet IP address even if you're behind a Firewall or Router. In addition it will retrieve the Host name and Network IPs from your Computer connected to your Network. ... Show IP automatically extracts all IP addresses from the message headers, and displays the information about these IP addresses. ... Show IP was made to help those who do not have or are unable to get a static IP address.
http://www.fastshowip.com/showIP_setup.exe - 109Kb - Download

Address Magic Personal Edition
Address Magic quickly and easily copies addresses books between many popular e-mail programs, including Outlook, Outlook Express, Hotmail Plus, Eudora, Mozilla, Netscape, and Lotus Notes. Address Magic preserves all your contact information, including phone numbers, addresses, notes, and...
http://www.connectedsw.com/Downloads/MagicDmo.exe - 427Kb - Download - Screenshot

Contacts Verifier
Contacts Verifier is the first add-in for Microsoft Outlook 2000, 2002/XP and 2003; designed to monitor the validity of e-mail addresses in your contacts. It is able to check your address-book throughout in a matter of minutes notifying you of contacts that contain e-mail addresses which are no... When checking an address, CV imitates the sending of the message to the address being checked, and after receiving the answer from the server (to which the address belongs) as to whether the address exists or not, it terminates message sending and ends the session correctly.
http://www.mapilab.com - 4Kb - Download - Screenshot

SMAC
SMAC is a powerful, yet easy to use MAC Address Changer for Windows 2000, XP, and 2003 systems, regardless of whether the manufacturers allow this option or not. The new MAC addresses you change will sustain from reboots. Features: Change MAC Address in 3 clicks || validate MAC Address ||...
http://www.klcconsulting.net/smac/default.htm#download - 5Mb - Download - Screenshot

Actual Contacts for Outlook
Actual Contacts for Outlook(ACO) is a Microsoft Outlook add-in for updating your address book and monitoring validity of e-mail addresses in the contacts. Select the contacts you wish to update and ACO will send them a message containing a form to fill. ... So, address verification is technically correct and cannot be noticed by the address owner. ... 4) Updating your contact information in your respondents' address books. ... In order to check an address, ACO imitates sending a message to this address.
http://www.mapilab.com/files/actual_contacts.zip - 3Mb - Download - Screenshot

MailOut Professional
MailOut can send personal text and HTML series emails and transmitting. The email - Addresses become with additional information (like address, first name etc.. ) in an internal data base stored. These data can be integrated in the personal emails with a substitute symbol (variable), thus each...
http://www.in-mediakg.de/products/mailout/mailout_setup.exe - 6Mb - Download - Screenshot

Handy Address Book
Handy Address Book is easy to use, yet powerful software that makes keeping track of your contacts simple and fun. The user interface is designed to minimize keystrokes or mouse movements necessary to get your information quickly. It has all the features you'd expect in an address book, plus... Handy Address Book has powerful importing and exporting capabilities, with built in profiles to quickly import from other popular programs such as Outlook, Palm, or the Windows Address Book. ... Handy Address Book offers complete support for vCards.
http://www.beiley.com/programs/addrbk21.exe - 644Kb - Download - Screenshot

Advanced Email Locator
AEL is designed for processing e-mail address lists to obtain detailed information, including country of e-mail address registration (and state for addresses in USA), domain owner's name, address, and some other data. With AEL you can find out if an e-mail is hosted on a "Free email" server... To discover the country of e-mail registration, AEL is using information obtained from whois servers (servers that store information about domain names) and processed with special algorithms to retrieve the requested data.
http://www.mailutilities.com/ael/ael.zip - 1Mb - Download - Screenshot