cracks me up. I show my students how to do this. they didn't understand. So, I happen to have a copy of the video that helped me learn CIDR. They still don't get it. I pick a random video on KZfaq about CIDR (this one) and it just clicked for every one of them. I didn't exactly follow his way of doing it, but hey, every student started getting the correct answer each time so, if it works, it works. Good job Mr. Butcher.

That disappoint you feel when you realize that this is the only networking video he has. :(

This by far is the best video out there breaking down CIDR math on how to find the network ID, broadcast ID, and usable IP range. Thanks a ton Josh! And like Eric M says, the disappointment you feel when realizing this is the only networking video you have.

This video actually helped me understand subnetting. You actually went through the whole process from start to finish and broke it down to a granular level unlike everyone else who only went through a portion of it. Awesome tutorial!!

After three years finaly I got it👍👍👍👍 Thanks 100 times👏👏👏

Have a networking exam in 3 hours and this is the first time I understand this, thank you 😊

Most of the valuable lessons on IT are the old ones with the low quality. I am having an exam next month and this turorial has just boosted my convidence further. Thank you very much.

thanks for a very comprehensive and easy to understand video , this is by far the best explanation for CIDR I have came across !!

This was a great teaching. I should have learned this 15 years ago but I hope the saying "better late than never" is true. Thanks man!

Thank you very much. 3 years, multiple instructors and tons of videos and finally your tutorial clicked with me.

Thank you so much! I really appreciate how you even did three examples just to make it incredibly clear. You are the best!

Thank you for the explanation. I've looked at several videos and your approach was great. No BS and straight forward and clear delivery was on point!

Hi sir, I was very confused but after watching this movie I learnt Subnetting. Alhamdulillah 👍

Honestly, this is by far the best video on subnetting ever, with this video everyone is able to understand subnetting, you really have a gift for teaching.

The best lecture i have seen on subnetting... amazing!

I've been trying to get m head around this for nearly 12 weeks!! and this has just made so much sense to me!!!

Thank you, thank you, thank you!!! I was struggling with this so much, your explanation made it look so simple and I finally understand how to do this the right way. Thank you so much!!!!!!!

Thank you so much!! This is by far the most helpful instructional video on CIDR notations and subnetting. God bless you sir.

I have searched high and low for a simple solution and this is the only method that helps me. Thank you, thank you, thank you!

Crisp and clear Mr.Butcher :) . Thank you for this great video. Have looked up many tutorials to learn the subnetting from CIDR , by far this one is the best and saved me a lot of time in calculations.

Oh man, this is the first time I honestly can say I understand it now. I read and viewed so many other videos and this was the clearest one of them all. thank you joshua!

What a great video. Easily broken down and I can't believe I struggled with this for soooo long. Thanks Josh🙏👍.

Thank you for this. I've been having so much trouble with this and you've explained it so clearly here.

Simplest and Easiest explanation I could find and finally understand this. All these questions to find the range of addresses are so easy after watching this video. Thank You!

Typically I don't leave any comment for any video I watch. However, after so much frustration of going thru dozens of videos and wasting hours of my time, this video clicked me right away. With 3 simple examples it makes perfect sense now. Thanks for the simplicity and straight to the point explanation.

This never gets old. Thank you, Sir!

This is the first video I've come across that teaches exactly what I needed to know for my class. Thank you!

Thank you so so much for this video ! You explained subnetting to me in a perfect way using binary. I've been struggling seeing so many other subnetting videos that use big charts or powers of 2, but this really helped me learn and understand. Thank god because my Net+ exam is tomorrow lol. Thanks again!

GOD Bless. I read every possible explanation on internet but trust me your video helps me clear out every thing... Thank you so much.

I've been trying to learn subnetting for a while now, but my teacher couldn't explain this as well as you did in the video, i finally get it. Thanks !

This is truly one stop to understand CDIR block calculation. Thank you. 🙂

This is the easy way to understand the subnetting, each time our instructor say something about subnetting in class I back to this video to understand what he mean.

Excellent demonstration Joshua, studying for my A+ right now. Definitely will help, thanks! Have seen a few other vids of the CIDR subnet calcs., but this is by far the easiest to understand, thanks again!

this...is the BEST video of explaining CIDR EVER. PERIOD, my professors couldnt do it other videos couldnt do it. it just clicks the way you explain it!

Thank you man. I'm currently doing an IT technician traineeship and this video helped me out so much. I understand it now!

Great job! The best video lesson I’ve found so far. Very helpful to me. Thanks Joshua!

This video is great. Helped clarify things for me so much. Thank you!

One of the best videos on youtube regarding subnetting and CIDR!!!!

God bless you man. You explained it better than anyone else in the whole world

cleared all my confusion for subnetting calculations.Thanks a lot Mr.Butcher for uploading this video.

Joshua the CIDR Notation was a head scratcher for me. After your break down teaching I can see clear now. I appreciate you taking the time to do so #EachOneTeachOne

This is one of the best videos I have come across! Well explained and really clear! Thankyou!!

Thank you so much for this video!!! This is the best instructional video I have found yet for CIDR, and subnetting! It seems so easy after watching this video! I had forgotten how to do this, and i'm sure it will be on my CIT 167 Cisco Final!

I have watched so many videos and read many sites on this but this is the first that explained it really well!

Definitely, this is the best explanation for subnetting on KZfaq.

Joshua thank you, I have been trying to understand this for a long while and finally it makes sense!

Trying learn this from a year.. Finally Learnt. Thanks man. Especially I liked most is you thought same topic with 3 examples. Awesome

Thanks for making me learn subnetting so clearly explained. Great job!

Finally, someone who came up with a great method on how to find the broadcast address and the network address.

This is one of the best CIRD notation explanation videos on the internet. @Joshua please make more such videos related to computer fundamentals.

Thankyou!! I watched so many videos and couldn't figure it out. This is perfect!

YOU ARE THE ONLY PERSON WHO HAS ALLOWED ME TO COMPREHEND SUBNETTING

Dude! You are the real MVP! After watching so many videos, this is the one that helped me understand. Thank you!!

This is very helpful. I looked many explanations of how CIDR works, but this is the only one I understood. Thanks a ton!

Thank you so much for making it easier to understand. Thank you again Joshua!

FINALLY, thank you!!! As many others have said, this is the first time I actually understand something about CIDR!

Great video!! thank you!!!. I have watched a lot of videos about subnetting and this right here nailed it for me.

2000+ subscribers off 1 video. Speaks to the quality and effectiveness of the video. I hope Mr Joshua Butcher is doing fine wherever he is.

This is by far the best video explaining CIDR.

thank you so much! This is so clear to me now- I've been struggling to find a good explanation of what is going on for such a long time!

best best best best...after wasting 6 hours I have seen this video and understood in couple of minutes...

Thanks you so much for explaining with examples. This helped me lot to refresh the CIDR concept which i had studied 15 years back in college.

Best shortcuts ever on such critical topics , much appreciated!!💯 , Looking forward for more shortcuts on daunting topics like subnetting etc ✌️

I thought I already had a decent understanding of subnetting and then this video confused the crap out of me, but in trying to understand the way you're doing it, I ended up forcing myself to gain an even better grasp of what is going on...so thanks!

Amazing video! The way you convey the teaching is superb. Good job!

omg you made this some much easyer to unerstand thanks bro i knew 9 years later but your video still helping people

This helped me tremendously. Thank you so much!

This was a fantastic lesson. Thank you so much for taking the time to explain it with 3 examples. I feel I finally understand it!

Great video. Finally learned how to subnet. Thank you!

Joshua Butcher, Man i just want to say thank you for the most simple method on subnetting.

Thanks for the video, I was struggling with subnetting and CIDR block but your explanation cleared all the doubts.

Finally i found something more about CIDR this is amazing thank you

The Best Explanation on the internet for Subnetting

Best video so far ! Love to see more

You're the Best of Subnet Mask & CIDR Notations.

Was able to refresh my memory very quickly thanks to this video. informational and concise. thanks

Thanks, it opened everything! Now I have to repeat and repeat some more. Monday's class student.

the best video so far on subnetting

This video helps me understand Subnetting. Thanks.

This is the best tutorial on this by far 👍🏾

Didn't understand most of CIDR in ICND class today. Thanks to your video, I'll be prepared for tomorrow :)

I'm going to take CompTIA Network + in few days and this is very helpful. Thanks

This video is awesome!! Thank you! I finally get the basis of it. Just need to practice more. THANK YOU!!

Thank you so much. This is much faster and very simple once you get the process down.

Amazing lesson, extremely clear. Thanks a lot!

Brilliant work, brother. Thanks for posting!

Thank you so much... best CIDR video on KZfaq

Thanks a bunch bud, this made it alot easier to wrap the noggin around Subnetting.

Very much appreciated Mr Butcher, wish my school teacher taught it like this. I was starting to second guess taking this CCNA course because subnetting is so hard. This clears things up.

Thank you so much. Very clear and to the point. !!! Cheers!!

Thank you so much, you have no idea how much this helped me.

Man, you are CIDR and subnetting mask GURU! Thanks for the great video.

Holy crap dude... I understand subnetting thanks to this video... Huge thanks

Excellent content Joshua. Thanks for sharing this.

Not other videos explain me this method, as well, like you... thanks.. really helpefully

Thank you so much! Now figuring out the broadcast and network ID's along with the range of usable IP's is a breeze!

That was a great break down and made things easier to understand for me. Thank you

The best explanation I have ever seen online.

I loved this video, I´ve seen many subnetting videos, definitely yours it´s the best. Thanks, it really helped me a lot.

If I could give you three thumbs up I would. Good job, I finally got the concept down after practicing with your video tutorial!