Internet Services, Modems & Routers, Tech Reviews, Computer Networking, Security, and more!
Afroz Ahmad – Main Author of AfrozAhmad.com
Welcome to Afroz Ahmad – I’ve been writing about computer network technologies on my blog since 2012. My name is Afroz Ahmad, and I am a seasoned Network Engineer and author of AfrozAhmad.com.
I’m a CCIE with more than 20 years of experience in Computer Networking, Data Centers, Telecom, Internet Services, Cloud and ISPs. Currently, I work as a Network Designer for a leading ISP equipment vendor. I share my expertise through my blog and courses, aiming to help people solve everyday internet issues, select the appropriate equipment for their tech needs, and simplify complex networking concepts for both beginners and experienced professionals.
Reach out to me with any questions you have on Computer Networking, Modems, Routers, Internet services, etc.
Free networking and internet tools
Eight free tools I use myself: no signup, no account, and nothing you type leaves your device. Every one runs in your browser.
Wi-Fi Channel Overlap Visualiser
Find the clearest 2.4, 5 or 6 GHz channel for your building.
Open the tool
What is a Router, and What does it do?
This in-depth guide covers everything you need to know about what routers are, how they work, their key features, and why they are critical components of both home and enterprise networks.
What is a Hub in Computer Networking?
This comprehensive guide covers everything you need to know about hubs including what they are, how they work, their key features, types, and how they compare to switches.
What is an Ethernet Switch and What do ethernet switches do?
This comprehensive guide will explain what is an ethernet switch, what do it do , how it works, and its key benefits.
Xfinity xFi Pods Review (Gen 2): A Budget-Friendly Mesh WiFi Extender
Xfinity xFi Pods Review: Discover the seamless mesh WiFi experience with Gen 2 Pods, offering tri-band support and superior range.
How to Pay Your Spectrum Bill (2026): Online, App, Phone, Auto Pay, In‑Store
The simplest, current ways to pay your Spectrum bill—online, in the My Spectrum App, by phone, with Auto Pay, or in‑store—plus verified phone numbers, fees, and Spectrum Mobile rules.
Guide: How to Check Browsing History on WiFi Router?
Discover how to check browsing history on your WiFi router with our simplified guide. Secure your network and monitor activity with ease today.
Can You Have Two Modems In One House?
Discover the possibilities of dual internet access! Can You Have Two Modems In One House? Find out as we explain the process and benefits for you.
How to Change Spectrum WiFi Password and Name
Explore our easy guide on changing your Spectrum WiFi password and name. Enhance network security and optimize your home internet instantly with our efficient, actionable insights.
How to Reset Spectrum Router/Modem? – With Infographic
Experiencing issues with your Spectrum router? Learn how to reset Spectrum router and restore seamless network connectivity in easy, simple steps.
How to Increase Upload Speed Xfinity: A Practical Guide
Unlock the potential of your internet connection! Discover how to increase upload speed Xfinity with our comprehensive, user-friendly guide. Maximize your Xfinity today!
What Is an SSID? Your Wi‑Fi Network Name Explained (Find, Change, Secure)
Uncover what is SSID for WiFi and how it impacts your connectivity. Understand its role in wireless networking to optimize your internet experience.
What is Data Roaming? A Comprehensive Guide
This comprehensive guide aims to explain everything you need to know about data roaming, including how it works, how to avoid excessive charges, and alternatives that you can consider.
Is 60 Mbps Fast? [Speed Comparisons + Infographic]
60 Mbps can still be a solid mid‑tier choice for small households. See how it handles 4K streaming, gaming, Zoom, and multiple devices—plus what’s changed with the FCC benchmark and ISP plans.
30 Mbps Speed: Is It Fast Enough in 2026?
30 Mbps supports browsing, HD streaming and video calls, but it has limits for 4K, large downloads and busy homes. See realistic 2026 examples.
How Google/Nest WiFi Works: Mesh Basics, Setup, Coverage
Discover how Google Nest Wi-Fi Mesh works and enhances home internet with our detailed guide on setup, features, pros and cons for seamless connectivity.
Xfinity Remote Flashes Green Then Red: Causes and Easy Fixes
If your Xfinity remote is flashing green then red, it indicates a connectivity problem. Learn what causes this issue and easy troubleshooting steps to get your remote working again.
How to Unpause Xfinity WiFi and Fix a Stuck Device (2026)
Learn how to unpause Xfinity WiFi, fix a device stuck on pause, check schedules and roles, and restore access when app controls do not work.
How to Cancel Google Fiber – No-Fuss, No Hidden Fees (With Infographic)
How to Cancel Google Fiber: Cancel online or contact support. Avoid fees by understanding policies and returns.
How Many Megabits in a Gigabit? Gbps to Mbps Calculator
How many megabits in a gigabit – 1000 megabits are in one Gigabit. In simple terms, a gigabit is 1000 times larger than a megabit. Let’s break it down further.