VPCs cannot span regions, so AWS creates a default VPC in each region.
AWS Account supports EC2 instances in a VPC only. The default VPC is available in the Amazon VPC. If you delete the default VPC, then you cannot restore it. You need to contact AWS Support.
Click on Services | Go to Networking & Content Delivery section | Click on VPC | Click on VPC Dashboard:
The default VPC contains following:
- VPC with a size /16 IPv4 CIDR block (172.31.0.0/16); this means 65,536 private IPv4 addresses
- Default subnet /20 in each Availability Zone; ...