If you are refering to port 21 (networking) then it is the port used by the FTP process (File Transfer Protocol).
The person may be referring to AspenTech ip.21 which is a process control historian. See related link.
255.255.248.0
internal ip is ur lan ip external ip is ip of wan that is provided by isp
There are several sites that one can get help on the topic "What is my IP Address?" These sites include What Is My IP Address, What Is My IP, My IP Address, and Trace My IP.
Brian Komar has written: 'SAMS teach yourself TCP/IP network administration in 21 days' -- subject(s): TCP/IP (Computer network protocol) 'MCSE Training Guide (70-240)'
Your Minecraft IP is just your computer's ip. Go on google and ask what your ip is.
IP stands for Internet Protocol.If you want to know your IP address,visit Ip-details.com .
An IP scrambler is a device that scrambles your IP address making it nearly untraceable.
There are 2 main IP protocols. In IP version 4, each IP address has 4 octets. In IP version 6, each IP address has 16 octets.If somebody says "IP address" without further qualifications, he probably means IP version 4, since that is the current standard. IP version 6 is the planned future standard.There are 2 main IP protocols. In IP version 4, each IP address has 4 octets. In IP version 6, each IP address has 16 octets.If somebody says "IP address" without further qualifications, he probably means IP version 4, since that is the current standard. IP version 6 is the planned future standard.There are 2 main IP protocols. In IP version 4, each IP address has 4 octets. In IP version 6, each IP address has 16 octets.If somebody says "IP address" without further qualifications, he probably means IP version 4, since that is the current standard. IP version 6 is the planned future standard.There are 2 main IP protocols. In IP version 4, each IP address has 4 octets. In IP version 6, each IP address has 16 octets.If somebody says "IP address" without further qualifications, he probably means IP version 4, since that is the current standard. IP version 6 is the planned future standard.
Private IP Address
In IP version 4, an IP address has 32 bits, or 4 bytes.In IP version 4, an IP address has 32 bits, or 4 bytes.In IP version 4, an IP address has 32 bits, or 4 bytes.In IP version 4, an IP address has 32 bits, or 4 bytes.
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An Internet Protocol address (IP address) is a numerical label assigned to each connection.The computer uses this to establish the connection.Two versions of the IP are in use: IP Version 4 and IP Version 6.In IPv4 an address consists of 32 bits and the IP v6 uses from 32 to 128 bits. IP address is of two types,Internal IP and an External IP. Internal IP is one that each device like computer,printer has. The external IP is the one through which one gets connected to the internet.The External IP is got from the ISP and is classified into static and dynamic where static IP does not tend to change and the dynamic IP varies each time the modem is switched ON and OFF.You can use Ip-details.com which displays your public/external IP.