Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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Critical persistent xss vulnerabilities at IPAY : Myanmar Online payment Official Site

This evening, I found a fascinated  big bill board “IPAY” http://www.ipay.com.mm at Thamine Junction, Yangon, Myanmar. Then, I said my friend “googl3group” about it, and said  “NO XSS, NO SQL

Subnetting an IP address

IP subnetting is a fundamental subject that’s critical for any IP network engineer to understand, yet students have traditionally had a difficult time grasping it. Over the years, I’ve watched

TCP/IP Tutorial

This tutorial is intended to supply a brief overview of TCP/IP protocol. Explanations of IP addresses, classes, netmasks, subnetting, and routing are provided, and several example networks are considered. The