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THE IP ADDRESS 19216811 - 192.168.l.l

To be able to connect to the Internet, you need to use devices called Routers. Routers allow a "dialogue" between different networks, in our case between the Internet and our local area network. Routers can be either Wireless (without Ethernet cable) or Wired (with Ethernet cable). Almost all of them use the IP address 192.168.l.l to connect to the network.

The configuration of the local internet network

A router is a layer-3 device of the OSI (open systems interconnection) model that is responsible for routing, or sending, data from one network to another network. The router uses a routing table that resides in its memory to determine the networks that the router knows how to send data to.

How to do this ?, On your computer, you have to set the IP address to (you can choose the last numeric value in a range between 2 and 254) and the Netmask to This way your PC can communicate with the Router since both devices are in the same address class. PC -> 192.168.l.l Router. To verify that everything is fine, open a DOS window using the CMD command prompt and type PING 192.168.l.l. If you get an answer, it means that everything is ok. Once you have done this, you need to open a browser (such as Chrome, Firefox, Edge, etc.) and type in the address bar the value 192.168.l.l. Subsequentially, you should see the configuration screen of the router; Now you must know the configuration parameters that you have obtained from your Internet provider and set them in the corresponding fields. You can also follow the steps shown in this video guide 192.168.l.l Wireless Router

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Router IP User Pass
3Com 192.168.l.l admin admin
BenQ 192.168.l.l admin admin
D-Link admin
TP-Link 192.168.l.l admin admin
Digicom admin michelangelo
Digicom user password
Digicom admin michelangelo
Linksys 192.168.l.l admin admin
Netgear admin password
Sitecom admin admin
Sitecom sitecom
Thomson user user
US Robotics 192.168.l.l admin admin

Don't forget to change the username and password of your router's control panel. A good rule is to use passwords that are complex enough to be difficult to guess..

  1. NEVER use the Default Password NEVER use the Default Password
  2. Do not use a Password equal to the Username Do not use a Password equal to the Username
  3. Do not use a Password equal to your date of birth Do not use a Password equal to your date of birth
  4. Do not use your First or Last Name as a Password Do not use your First or Last Name as a Password
  5. Do not use your PET name as a password Do not use your PET name as a password
  6. Do not use a numeric password Do not use a numeric password
  7. Tips for choosing the password The Password must contain at least a capital letter, a number and a special character. For example : MyPa$$word2018
  8. The Password must have at least 8 characters The Password must have at least 8 characters

These rules ALWAYS apply when creating a Password. Please avoid using the same password for all services, for example, the password for accessing your home banking must not be the same as the password for accessing a forum.

19216811 avatar

192.168.l.l NETMASK

192.168.l.l NETMASK


If you always have wondered what netmask is and what it is supposed to do, I am going to explain it to you in the easiest way possible :) Once you open the control panel of your router, you can read two values, its IP address 192.168.l.l and Netmask If you notice, these two numeric notations are made up of 4 digits separated by decimal points.

Now before proceeding, we shall rewrite the 4 digits in binary format and obtain 11111111.11111111.11111111.00000000. As you can see, now we have transformed the decimal "255" into binary, resulting in 11111111 while the 0 has become 00000000.

So what is a Netmask? It is merely the number of network devices that can be used :) How do you calculate it? The formula is 2^(elevated to the number of zeros)-2
So 2^8-2=254 here is the number of network devices that can be used. The 2 addresses that cannot be used are (the network identifier) and (the broadcast address), instead, the addresses that can be used range from 192.168.l.l to
The 1s represent the number of networks.
19216811 avatar

Pratical example of using the Netmask

We have understood in the previous paragraph what a netmask is; now we have to see how it is used and when it can be useful. Let's start by saying that usually at home we do not need to use the netmask differently from the usual one (usually you simply leave the default value:, but let's consider the following problem. You receive a IP address class, and you are asked to create 6 subnets (perhaps 1 per classroom) each of which must contain 30 PCs.
In this case, the netmask comes into play. This operation is called SUBNETTING.
We have seen that the netmask is equivalent to 11111111.11111111.11111111.00000000, now we have to use the last octet, 00000000, to be able to manage the required 6 sub-networks. To represent 6 subnets, we need 3 bits because 2^3=8, this means that among the 8 bits available we need to use 3 bits, therefore, the last octet shall be converted into 11100000
If we transform 11100000 to decimal places, we get 224. Hence the new netmask allows you to manage the 6 required subnetworks, but for each subnet, how many PCs can we manage? Out of the 8 bits set to 0, now 5 are currently wasted. From here we can deduce that we can manage 2^5-2=30 PCs for each subnet. Keep in mind that when subnetting, not all 254 IP addresses may be used.