Of all the metaphors used to describe the internet, one of the most appropriate might be the “ Wild West. ” The Wild West, equitable like the internet, was expansive and difficult to regulate, and filled with bandits and marauders who would take advantage of person without batting an eye .
While technical progress has fortified internet security, in reality there are however many ways for regretful actors to infiltrate a business or person ’ mho web site, e-mail, or on-line character in order to wreak havoc .

How to Block an IP Address

precisely as it would have been in the Wild West, it ’ s important to learn how to protect yourself from external threats. The basic security offered by internet servers can ward off some percolation attempts, but much crafty criminals slip through the cracks .
Learning how to identify and block the IP address of an on-line pest is possibly the best room to improve your security on the internet.

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What is an IP Address?

Blocking IP addresses might be the most effective means to bolster your internet security, but what good is that cognition if you don ’ triiodothyronine know what an IP address is ?
The best way to think of an IP address is by comparing it to a street address. Think about your place of residence—you receive bills, packages, and guide friends to your theater by giving them a combination of numbers and letters. That combination—your address—is used to single out your location in relation to all early possible locations .
IP addresses work in the accurate lapp way .

  • Each device that’s connected to the internet is assigned a unique IP address.
  • A device’s IP address allows the device to interact with, receive information from, and otherwise contact other devices and networks on the internet.

Simply put, an IP address places internet users on the grid. Without it, they would be unable to communicate with other networks .

What do IP Addresses Look Like?

even though most internet users connect to the internet using an IP address on a daily basis, the huge majority of people don ’ thymine know what an IP address looks like .
There are two forms that an IP cover can take. The first is IPv4, which stands for “ Internet Protocol adaptation 4. ” The second is IPv6, which stands for — can you guess ? — “ Internet Protocol version 6. ”


Invented all the way spinal column in the 70s, IPv4 was the first wave of IP addresses. Most devices are still connected to the internet using an IPv4 address, but that started to change in 2011 with the let go of of IPv6 .

  • IPv4 addresses are composed of four numbers between 0-255, separated by dots or periods.
  • An IPv4 address might look like:

From the origin of the internet, IP addresses were provided using the IPv4 model. however, all of the available IPv4 addresses have been allocated, necessitating the go to IPv6 .


On June 6, 2012, IPv6 was launched by organizations like the Internet Society, among others. IPv6 addresses use a hexadecimal finger organization, separates groups using colons, and may include letters .

  • The number of conceivable IPv6 addresses is enormous and won’t run out anytime soon.
  • An IPv6 address might look like: 2001:0db8:85a3:0000:0000:8a2e:0370:7334.

The complexity of an IPv6 address means that the internet will be prepared to host an even larger number of connect devices in the future .

Why Block an IP Address?

There are several reasons a business, educational initiation, or internet drug user would attempt to block an IP address. In general, the most common reasons are :

  • Blocking Bots, Spammers, and Hackers: When bots, spammers, and hackers attempt to infiltrate your website, it can put a heavy strain on your bandwidth and decrease the speed with which you and other users can access your website. If you run a business online, this can be detrimental to sales.  
  • Limiting Website Access: Many academic institutions and businesses use IP blocking to limit the websites that students or employees can visit. The goal is typically to increase productivity by limiting distractions.
  • Protecting Data: Hackers often attempt to infiltrate websites to steal data or other important information. That information can be used to blackmail or otherwise undermine a company.
  • Maintaining Confidentiality: Many academic institutions and companies who keep sensitive records—like transcripts, health records, etc.—are regularly targeted by hackers. Identifying threatening IP addresses and placing them on a blacklist is an essential step to keep those records safe and confidential.

This list should only be seen as the topple of the crisphead lettuce. There are countless reasons that an individual or constitution might want to block certain IP addresses, and there should be no underestimate how malicious certain internet hackers can be .

How to Block an IP Address

ultimately, blocking an IP address allows administrators and web site owners to control web site traffic. The procedure of blocking an IP address—or several—changes depending on the operate system that ’ south being used .
While there are several unlike operating systems, the most common are Windows and Mac. We ’ ll cover the steps for blocking an IP address using both of these systems, which achieve the lapp goal through slenderly different means .

Blocking an IP Address for Mac Users

To block an IP address on your Mac calculator, you ’ re going to need entree to your wireless router ( or LAN router, which connects to the internet using an Ethernet cable ). Knowing the password is essential, which can often be found print or stuck on the outside of the modem.

  1. System Preferences: Find the Apple menu, represented as the Apple logo in the top left corner of your computer screen. Open the dropdown menu and select “System Preferences.” Once your System Preferences menu appears, find the icon labeled “Network.” Then, press the “Advanced…” bar at the bottom of the screen. Navigate to the TCP/IP tab, where you should find your IPv4 or IPv6 address.
  2. Access Router: Next, you’re going to have log into your router. Again, password information can typically be found on the outside of the router, but if you’re having trouble you can always contact your network administrator.
  3. Restrict Access: Once you’ve logged into your router, a list of enabled and disabled IP addresses should appear. From there, most routers will give you the option to deny access to unique IP addresses or an entire range of addresses. You should also have the option to block a website. After blocking the IP address, your network will be protected from that address.

Blocking an IP Address for Windows Users

Blocking IP addresses on a Windows calculator requires going through the “ Windows Firewall. ” In technical school terms, a firewall is a component that allows your computer to block access to your network without inhibiting your ability to communicate with outside networks .
This guidebook is going to explain how to locate and block the IP address of a web site. Windows Firewall makes this a relatively dim-witted serve. If you already know the IP address you want to block, begin with footstep 3 .

  • 1 – Locate Website to Block: Open your internet browser and locate the website you want to block. Highlight and copy everything that comes after the “www” in the web address.
  • 2 – Open Command Prompt: Navigate to your start menu and open “Command Prompt (Admin).” Paste the website’s web address into the first line of code. Command Prompt should respond by generating several lines of code, which should reveal the website’s IP address. Highlight and copy the IPv4 or IPv6 address. Return to your internet browser, paste it into the search bar, and press enter. Confirm that it takes you back to the website.  
  • 3 – Open Windows Firewall: Open the start menu. Locate “Control Panel.” From there, find “Windows Firewall.” Open it.
  • 4 – Advanced Settings + Windows Inbound Rules: With Windows Firewall open, locate and click on “Advanced settings” on the left of the screen. Then, locate “Inbound Rules,” which should also be found near the top left of the screen. This should change the menu options. On the right portion of the window, find and click on “New Rule…”
  • 5 – New Rule: With the New Rule tab open, select the “Custom” option and press “Next.”  Advance by pressing Next two more times, until you arrive at a window which asks “Which remote IP addresses does this rule apply to?” Click the option that reads, “These IP Addresses.”
  • 6 – Add IP Addresses: Click on the “Add…” button. From there, you can paste the website’s IP address (or any other IP address) into the box that reads “This IP address or subnet:” Repeat this process, adding all IP addresses you wish to block. Once they’re added, click “Next” at the bottom of the screen.
  • 7 – Block: Three options should appear on the next page. The bottom option will read “Block the connection.” Click this and advance to a page which prompts you to “Name,” the blocked IP addresses. After you’ve named it, press Next until the “Finish” bar appears. Click Finish.
  • 8 – Repeat Process with “Outbound Rules”: Return to the Advanced settings window and repeat the process you completed under “Inbound Rules” with “Outbound Rules.”

once steps 1-8 are complete, the IP address or addresses that you ’ ve isolated will be blocked from your network .

Why Have I Been Blocked?

If you ’ ve attempted to visit a web site and discovered that you ’ ve been blocked or have otherwise been denied access, there are several potential reasons .
The most common include :

  • Viruses in your Device
  • Software Extensions
  • History of Illegal Actions

Viruses in your Device

One of the most park reasons that IP addresses are blocked from accessing distant servers is because the outside server detects a virus contained within your IP address. It ’ s often the case that internet users don ’ deoxythymidine monophosphate even know that they have picked up a virus .
once you ’ ve removed the virus from your network, feel free to reach out to the web site you attempted to access and explain why you should be removed from the blacklist .

Software Extensions

There are many ways to customize your internet browser. Some of the extensions that you can add will eliminate pop fly ads from websites or attack to detect viruses that might be hiding within a web site .
While there ’ second nothing illegal about adding extensions to your browser, some websites will ban users who run ad-blockers. They may see this as a disturbance of their tax income hang .

History of Illegal Actions

If you have a history of conducting illegal action on-line, many website admins will block your IP address as a preventive measure, deeming you untrustworthy. Online illegal activities may include illicit trade, activity in the black vane, or cyber-crimes .

Inappropriate Website Content

If you operate a web site that contains potentially offensive contented like pornographic substantial or illegal trade, you will likely be blacklisted from many websites on the grounds that your message is subjectively inappropriate .
While you may disagree with the decisiveness of another admin to blacklist your web site, there is much no way around the blacklist outside of a direct attract to the admin .

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Recapping How to Block an IP Address

To recap, IP addresses are used to connect devices to the internet at big. They help locate a connect device in relation back to all other devices. By discovering the IP address of a device or web site that is causing trouble to an internet drug user, that drug user can block the address using a preferably straightforward process .
The march of blocking an IP address may change depending on the operating system that is used by the internet connected device. While there are more steps required for personal computer users, the action is equally straightforward, and possibly even easier than the process required by Mac users.

If your IP address has been blocked, there are several possible reasons. The first, and most common reason, is that your IP address is associated with a virus—usually one that you ’ ve picked up by accident. By using antivirus software, you can purge that virus from your computer and then appeal to the web site admin to remove you from the IP blacklist .

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