why I hava a bill for a public IPv4 address of vpc in free tier

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I use an EC2 and RDS in the free tier, but why do I have a bill in Feb, only this month? Enter image description here

how to find this public IP address

hm8000
asked 2 months ago646 views
3 Answers
2
Accepted Answer

Hello.

I use an EC2 and RDS in the free tier, but why do I have a bill in Feb, only this month?

AWS has started charging for public IPv4 addresses since February.
It is thought that this is having an influence.
By the way, the free tier includes 750 hours of public IPv4 addresses per month for the first year after creating an AWS account.
https://aws.amazon.com/about-aws/whats-new/2024/02/aws-free-tier-750-hours-free-public-ipv4-addresses/?nc1=h_ls

how to find this public IP address

You can search for public IPv4 addresses using the method described in the "Public IP Insights" section of the AWS blog below.
https://aws.amazon.com/jp/blogs/aws/new-aws-public-ipv4-address-charge-public-ip-insights/

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EXPERT
answered 2 months ago
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EXPERT
reviewed 2 months ago
1

Your screenshot shows have 695.554 hours of public IPv4 address for your EC2, which is covered under Free Tier (charge of USD 0.00).

And a separate line item for 696 hours of public IPv4 address, for which you've been charged USD 3.48. This duration matches exactly with 696 hours of db.t3.micro RDS.

According to https://aws.amazon.com/about-aws/whats-new/2024/02/aws-free-tier-750-hours-free-public-ipv4-addresses/

AWS Free Tier for Amazon Elastic Compute Cloud, 12 month free, to include 750 hours of public IPv4 address usage per month. If you are an existing or new AWS Free Tier customer for Amazon EC2, you will get 750 hours public IPv4 address usage per month free when launching any EC2 instance with a public IPv4 address.

Note that it only mentions EC2, not RDS. There is no also mention of IPv4 at all in https://aws.amazon.com/rds/free/

From these links, which seems to be confirmed by your bill, it seems fair to conclude:

  • EC2 public IPv4 = in-scope of Free Tier
  • RDS public IPv4 = out-of-scope of Free Tier
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EXPERT
Steve_M
answered 2 months ago
  • Also see https://aws.amazon.com/free/free-tier-faqs/#Instances

    Q7: Does an AWS customer have access to 750 hours of public IPv4 addresses per month when used on EC2 instances under the AWS Free Tier?

    Yes. A customer with access to the 12 months free offering of AWS Free Tier can use up to 750 hours of public IPv4 addresses free per month when used on EC2 instances. This is independent of the instance type that is used.

    Again, just mentions EC2.

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EXPERT
answered 2 months ago

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