Summary
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Secondary subnets provide additional, independent IP addresses for your application.
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Required for use as external application or service addresses managed independent of other infrastructure resources.
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Available with either portable, static, or global routing capabilities.
Features
Customer-managed IP addresses
Assign your application IP addresses that are easily moved when migrating to new compute resources and can be cancelled when no longer needed.
Choice of IPv4 or IPv6 addresses
Bind one or both types of IP addresses for your application needs.
Pay for only what you need
Choose from IPv4 subnets ranging from /32 to /24 block size; IPv6 subnets are available in a /64 block size.
Globally routable static IP address
Route a global IP to any server within the IBM Cloud public network as part of a multi-site disaster recovery configuration.