Internet service providers (ISP) come with all kinds of options and issues. Learn about all of it right here.
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A woman sitting on a bed browsing a laptop with a smartphone and notebook next to her
Is Verizon Down... Or Is It Just You?
Mediacom outage map
Is Mediacom Down... Or Is It Just You?
Suddenlink outage map.
Is Suddenlink Down... Or Is It Just You?
AT&T outage chart from Downdetector
Is AT&T Down... Or Is It Just You?
Sample TMobile outage map from DownDetector.
Is T-Mobile Down... Or Is It Just You?
Optimum status from Downdetector.
Is Optimum Down... Or Is It Just You?
A man sits at a desk smiling at a laptop
Is Comcast Down... Or Is It You?
SpeedOf.Me internet speed test
Need to Test Your Internet Speed? Try SpeedOf.Me
Typing in the Shadows
How to Change Your IP Address
Default Gateway on Windows 10 Desktop
How to Find Your Default Gateway IP Address
Windows Internet Connection setting that shows IP4 connectivity to Internet, but IPv6 shows "No network access"
How to Fix an IPv6 No Network Access Error
Bandwidth throttling illustration
What Is Bandwidth Throttling?
A city's wireless network over a cityscape at night
What Address Resolution Protocol (ARP) Does for Your Computer Network
Network connections
What Is an IP Address & What Are the Different Kinds of IP Addresses?
Comcast/Xfinity Speed Test: A Complete Look
Cannot connect to DNS server errors
What to do with 'DNS Server Not Responding' issues on your network
Person using a computer with inset of DNS server illustrated
What You Need to Know About Network DNS Servers
Picture of four hands using smartphones
What Is DHCP? (Dynamic Host Configuration Protocol)
An image representing the internet and the traffic it produces
What Exactly Does an ISP Do?
Illustration of a cubicle group all connected with the IP
What Is the IP Address?
Home full of people using internet-connected devices
Are You Getting the Internet Speed You're Paying For?
An illustration of a router log-in.
Looking for the Username and Password? Here's What to Do
White router on tabletop in a home
Need to Know Your IP Address? Here's How to Find It
How to use the IP Address 192..168.100.1 to make admin changes to a router.
What Is
DDNS illustration of world and website
Need to Get to Your Computer Remotely? Use a DDNS Service
DNS cloud showing major public DNS providers and IP addresses
The Best Free and Public DNS Servers (October 2022)
Person looking at the IP address of Google
The IP Addresses Used by Google
The Private Network IP Address Notation.
How to Work With IP Address
Static IP Addresses: Everything You Need to Know
Red map of the world with 3 servers and wifi symbol above it. A Common Router IP Address
DNS Server field in Windows 10 showing
What's so Special About in Computer Networking?
A young network administrator looks at a server rack.
The Internet Protocol (IP) Explained
Two people using different IP addresses
What Are the and IP Addresses?
Person using a computer with a displaydns command on the screen
A Brief Overview of DNS Caching and How It Makes the Internet Better
Transmission Control Protocol (TCP) Header
An Inside Look at TCP Headers and UDP Headers
An inkjet printer connected to a network
Your Printer Has Its Own IP Address
An illustration of a laptop with the address on a network.
What Does the IP Address Mean?
Ethernet - Cables and Switch
Among Many Thousands of TCP and UDP Ports, Only a Few Are Very Popular
Chef using tablet with wifi symbol at home
What Is the IP Address?
Human figures connected as in a computer network
What Is a Dynamic IP Address?
An illustration of how the address works for local area networks.
A Brief Explanation of the IP Address
Two friends riding tandem bicycle in opposite directions
IP Address Conflicts: What They Are and How to Fix Them
Command Prompt in Windows showing IP address
How to Work With IP Address
Illustration of a person using the internet from various private IP addresses via a single public IP address
What Is a Public IP Address? (and How to Find Yours)
Person pinging a computer or website
Follow This Three Step Method to Ping Computers and Websites
Troubleshooting tips to try if you can't connect to the internet.
Can't Connect to the Internet? These 10 Tips Can Help
How Do You Work With and 192.168.1.x IP Address Ranges?
Close-up of fiber optic cabling
The Fate of IPv5
Person finding the registered owner of an IP address
Wondering Who Owns an IP Address? Here's How to Find Out
An illustration of house to address is used.
What Is the IP Address Used For?
LAN cables in routers, used an nodes in IP networks
The Structure of an IP Packet
Hands thrown up in frustration at a 169 IP address error.
How to Fix a 169 IP Address Error
Finger pressing a lock icon in superimposed network illustration
What is the Significance of the IP Address
Illustration of two people in one room with a virtual "fence" with the IP on it
Master the Secrets of the Subnet Mask
Communications satellite in orbit around Earth
Does IP Address Location (Geolocation) Really Work?
Binary code in digital readout Why This IP Address Means Trouble
What is TCP/UDP Port 0?
Why Is the Port 0 Special on TCP and UDP Networks?
Transmission Control Protocol (TCP) Header
What Is the Nagle Algorithm for TCP Network Communication?
Person finding a MAC address via Terminal app on an iMac
How to Use an IP Address to Find a MAC Address