How IP Addressing Works in AWS | Public, Private, Elastic, CIDR Notation | AWS for Beginners

In a prior video ( • Amazon/AWS VPC (Virtua... ), I introduced you to the basics of the Virtual Private Cloud (VPC) in AWS. But what’s with all those different IP addresses (Private, Public, Elastic), and how does CIDR notation work?
In this video, I’ll explain in simple terms how it all works. We’ll see the differences between the types of IP addresses, and then get into details of CIDR notation (subnet masks and RFC 1918 ranges) and how that all works.
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You might also be interested in this video about how to create a VPC and subnets using the AWS Console: • How to Create a VPC an...
00:00 - What the heck are private IP addresses, public IPs, Elastic IPs and CIDR notation?
00:38 - The differences between IP addresses, for beginners
03:29 - The anatomy of an IP address and binary octets
05:26 - How CIDR notation works, with examples
07:29 - CIDR subnet mask quick reference table
08:23 - A handy site to bookmark: cidr.xyz
09:15 - RFC 1918 private ranges

[@TinyTechnicalTutorials]

What else do you want to learn in AWS? Let me know below in the comments!

[@C.RonaldoCR7G]

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[@C.RonaldoCR7G]

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[@TinyTechnicalTutorials]

I'm so glad they're helping! Thanks for watching! 😊

[@AlbertoOnWheels]

Best CIDR explanation ever!

[@TinyTechnicalTutorials]

Yay!!! I'm so glad it helped. Thanks for supporting the channel, and for such a nice comment! 🙏🌟

[@mdobaidullahal-faruk3457]

Your contents are just simply amazing. Thank you very much for making the concepts so easy 🤩

[@TinyTechnicalTutorials]

Glad you like them! Thanks so much for watching!! 🙏🤓🌟

[@herespankaj]

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[@TinyTechnicalTutorials]

This makes me so happy! Thanks for such a nice comment!! :)

[@user-zp4lf7wz2b]

This is the easiest explanation of networking i have ever seen. I never understood it before today.

[@TinyTechnicalTutorials]

Oh, that means a lot--thank you! 😊 If you don't have a networking background, I think these concepts can be hard to grasp in AWS. I know I struggled to learn them initially as well. Thanks for watching!

[@howards5205]

Thank you so much! Your analogy using nickname, cell phone #, and SSN to describe public, private, and elastic IP addresses helped TONS understanding them!

[@TinyTechnicalTutorials]

Oh, I'm so glad!! I found those helpful too when I was first learning. 🤓😎

[@amoghshanbhag4304]

Great CIDR explanation. Was trying to understand from other videos but yours was the only one required. Thanks

[@TinyTechnicalTutorials]

Awesome! I'm so glad it helped! 💪😊

[@polarbear986]

Clever explanation😃

[@TinyTechnicalTutorials]

Why thank you!! 🤓🌟🙏

[@x13set]

This content is amazing, I understood much better than in my college classes. Thank you very much. Could you make a tutorial of the code deploy service?

[@TinyTechnicalTutorials]

Oh, I'm so glad! :) I'll add Code Deploy to my list for future videos. I have several other topics in the queue already so it might take some time, but stay tuned, and thanks for watching!

[@anthonygonsalvis121]

Thanks for explaining the CIDR and subnet mask concepts in such simple baby steps.

[@TinyTechnicalTutorials]

You're very welcome! I find those concepts can be tricky to learn. Glad it helped! :)

[@sivavideoclub]

Awesome and great, very clear explanation, Thank you.

[@TinyTechnicalTutorials]

Glad it was helpful! Thanks so much for watching! 🙏🤓🌟

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[@TinyTechnicalTutorials]

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[@TinyTechnicalTutorials]

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[@TinyTechnicalTutorials]

Yay!!! Welcome to the channel, and thanks for watching! 😊🙏🌟

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[@TinyTechnicalTutorials]

Happy to help! Thanks for supporting the channel!! 🙏🌟🤓

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[@TinyTechnicalTutorials]

I'm so glad you're enjoying the videos! Thanks for the support!! 😄

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Thank you for this video, you explain so well !

[@TinyTechnicalTutorials]

Yay! I'm so glad!! Thanks for watching. 😊

[@samjones4327]

Thank you so much for helping me unlock the mystery of IP addressing! You have made it much easier to understand than most conventional IP tutorials and I appreciate that! Cheers!

[@TinyTechnicalTutorials]

Yay! Great to hear...I'm glad it helped! :)

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[@TinyTechnicalTutorials]

Awesome! Welcome to the channel, demon_coder97! 😊

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Amazingly beautifully explained.

[@TinyTechnicalTutorials]

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[@kyokokirigiri166]

again. another great video. I really do appreciate this content thanks (:

[@TinyTechnicalTutorials]

You're very kind, @kyokokirigiri166! 🥰 Thanks for the nice comment! (And love the profile pic! 😻)

[@faudgelle9279]

Much appreciated very helpful to me as new to IT

[@TinyTechnicalTutorials]

Awesome! I'm so glad it was helpful! And welcome to IT! :)

[@jutsuuchiha3858]

Nice job 👍. Subnetting is the right term to say.

[@TinyTechnicalTutorials]

Thanks, Jutsu! :)

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[@TinyTechnicalTutorials]

Thanks for the nice comment, Narendra! Glad the videos are helpful!! 😊

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great explanation

[@TinyTechnicalTutorials]

Glad it was helpful! Thanks for watching! 🙏😊🌟

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[@TinyTechnicalTutorials]

Thank you! Cheers! 🤓🌟🙏

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Thank you, ma'am.

[@TinyTechnicalTutorials]

You're welcome! 😊

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[@TinyTechnicalTutorials]

Thanks for the nice note, Sany! 😊 I'll definitely be creating more AWS videos in the future...stay tuned!

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[@TinyTechnicalTutorials]

I have some! Check the description! And thank you!! 🤓🥰

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[@TinyTechnicalTutorials]

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[@TinyTechnicalTutorials]

Thank you so much!! So glad you're enjoying it! :)

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❤

[@TinyTechnicalTutorials]

Thank you! 🙏🤓🌟

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Elastic Block System & Elastic File System please?

[@TinyTechnicalTutorials]

I'll add it to my list! Thanks for watching! 😊

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[@TinyTechnicalTutorials]

Thanks for the nice comment, @mulesofttraining! 🥰 I DO have a full AWS Cloud Practitioner course on Udemy at the moment (Solutions Architect Associate coming soon): www.udemy.com/course/aws-certified-cloud-practitioner-master-aws-fundamentals/. Hopefully it helps! 😊

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[@TinyTechnicalTutorials]

Chris - This comment absolutely made my whole day!!! 🥰🔥🌟 Thanks for watching, and for such a nice comment! Really appreciate the support!

[@moedweik9523]

Great Video! How do you decide on what CIDR range to start with when you create a new VPC? Also, I think normally a company designs several VPCs under one account (i.e production, test, development, etc.), How do you allocate CIDR for each?

[@TinyTechnicalTutorials]

Hi moe! 👋 To pick a range, you'll want to start with something from the RFC 1918 (private) range, such as "10..." or "172..." (see around 09:40 in the video for more about this). And then the subnet mask (the "slash" number) depends on how many IP addresses you need. A "10.0.0.0/16" for example, would give you 65,536 addresses (if you need fewer than that, you could go with a larger number, like /24, which would give you 256 addresses). So really depends on the size of the network you need. As far as how many VPCs to create, it's complicated. 😊 This article probably does a better job than I can: www.linkedin.com/pulse/aws-vpc-best-practice-journal-eric-l/. You could also look into multi-accounts (one for prod, dev, test, etc.), working with Control Tower, rather than multiple VPCs. Hope that helps get you started!

[@moedweik9523]

Excellent! Is the organization size and subnet mask based on total number of employees or the number of servers the company will have in cloud? It seems if you have 500 servers you would have to use a subnet mask to allocate 65,536 IPs since that is the next number available after 256 IPs.

[@mayanksingh9923]

the sunet mast max /16 and min /28 can be used while creating a vpc.