When using free tier VMs in cloud services, there are limitations on the number of IP addresses you can use. Here's a breakdown by provider:
- Oracle Cloud: In the Oracle Cloud free tier, you can have up to six public IPv4 addresses for Always Free compute instances[2]. However, the number of reserved public IP addresses is typically limited to one per free tier account, and you may need to request an increase for additional reserved IPs[1][3].
- Google Cloud: Google Cloud does not charge for external IP addresses in the free tier as of recent updates, but it does not explicitly include them in the free tier resources either[10]. You can use ephemeral or static IPs, but there might be limitations based on usage patterns.
- AWS: AWS provides 750 hours of free public IPv4 address usage per month for EC2 instances in the free tier[9]. This means you can use multiple public IPs, but the usage is limited by time rather than a fixed number of addresses.
- Microsoft Azure: The default limit for public IPs in a free account is typically 10, but this can vary depending on the specific free account type and region[7].
In general, while there are limitations on IP addresses for free tier VMs, these can vary significantly between providers and may change over time.
Citations:
[1] https://www.reddit.com/r/oraclecloud/comments/u1zq0u/ip_address_reservation_allowance_in_free_tier/
[2] https://lowendtalk.com/discussion/175155/how-many-vms-can-i-create-using-oracle-cloud-free-tier
[3] https://community.oracle.com/customerconnect/discussion/742507/where-is-the-free-tier-limit-on-ephemeral-public-ip-addresses-documented
[4] https://stackoverflow.com/questions/19042025/amazon-ec2-free-tier-how-many-instances-can-i-run
[5] https://stackoverflow.com/questions/58665390/google-cloud-free-tier-will-start-charging-for-static-or-ephemeral-ip-address
[6] https://cloud.google.com/vpc/docs/quota
[7] https://learn.microsoft.com/en-us/answers/questions/1051230/limit-of-3-public-ips-for-the-free-account
[8] https://docs.oracle.com/en/cloud/saas/applications-common/24d/facsa/how-many-ip-addresses-can-i-enter-in-the-ip-address-allowlist.html
[9] https://aws.amazon.com/about-aws/whats-new/2024/02/aws-free-tier-750-hours-free-public-ipv4-addresses/
[10] https://serverfault.com/questions/1012277/google-cloud-external-ip-charges-for-free-tier
[11] https://docs.oracle.com/iaas/Content/FreeTier/freetier_topic-Always_Free_Resources.htm