Cloud Equivalents

Virtual networks, subnets & IP addressing

Elastic IP addresses (and BYOIP) vs Public IP addresses and prefixes

Elastic IP addresses map to Azure Standard public IP addresses.

Public IP prefixes give contiguous ranges, and custom IP prefixes let you bring your own ranges (like AWS BYOIP).

Direct match Use it to: Keep a fixed public IP for an app, NAT, or allowlisting, and optionally bring your own IP ranges.

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Side-by-side comparison

Static public IP addresses: AWS vs Azure side by side
AspectAmazon Web ServicesMicrosoft Azure
ServiceElastic IP addresses (and BYOIP)Public IP addresses and prefixes
LifecycleGenerally availableGenerally available
What it isStatic public IPv4 addresses you allocate to your account and remap between resources. You can also bring your own IP ranges (BYOIP).Standard SKU static public IPv4 and IPv6 addresses, contiguous public IP prefixes, and custom IP prefixes (bring your own IP). Basic SKU public IPs retired September 30, 2025.
Pricing modelPer public IPv4 address-hour (in use or idle). BYOIP addresses aren't charged.Per public IP or prefix-hour, by SKU and tier.
DocsElastic IP addresses (and BYOIP) docsPublic IP addresses and prefixes docs
Pricing pageElastic IP addresses (and BYOIP) pricingPublic IP addresses and prefixes pricing
ExamsSAA-C03 ANS-C01 RetiringAZ-104 AZ-700

Key differences

  • Lifecycle. Basic SKU public IPs retired on September 30, 2025, so use Standard (static, zone-redundant, secure by default) on Azure.
  • Charges. AWS charges for every public IPv4 address, whether attached or idle. Azure charges per public IP and prefix, by SKU.

Pricing summary

Pricing models only. No prices are quoted because they change by region and over time.

AWS
Per public IPv4 address-hour (in use or idle). BYOIP addresses aren't charged. Elastic IP addresses (and BYOIP) pricing →
Azure
Per public IP or prefix-hour, by SKU and tier. Public IP addresses and prefixes pricing →

Certification exam mapping

ExamProviderLevelStatus
AWS Certified Solutions Architect – Associate SAA-C03AWSAssociatecurrent
Italian version retires after Dec 31, 2026.
AWS Certified Advanced Networking – Specialty ANS-C01AWSSpecialtyretiring
The exam is being retired. The last day to take it is Dec 31, 2026. Existing certifications stay active for their three-year period.
Microsoft Certified – Azure Administrator Associate AZ-104AzureAssociatecurrent
Microsoft Certified – Azure Network Engineer Associate AZ-700AzureAssociatecurrent

Relevance is based on each exam's published scope, not a line-by-line objective match. Check the official study guide.

FAQ

What is the Azure equivalent of Elastic IP addresses (and BYOIP)?

Elastic IP addresses map to Azure Standard public IP addresses. Public IP prefixes give contiguous ranges, and custom IP prefixes let you bring your own ranges (like AWS BYOIP).

How does pricing compare between Elastic IP addresses (and BYOIP) and Public IP addresses and prefixes?

AWS: Per public IPv4 address-hour (in use or idle). BYOIP addresses aren't charged. Azure: Per public IP or prefix-hour, by SKU and tier. Check the official pricing pages for current rates.

Which certification exams cover this topic?

AWS Certified Solutions Architect – Associate (SAA-C03); AWS Certified Advanced Networking – Specialty (ANS-C01) [retiring]; Microsoft Certified – Azure Administrator Associate (AZ-104); Microsoft Certified – Azure Network Engineer Associate (AZ-700).

Related comparisons

Official sources