{"id":"auto-mode-vpc-creates-slash-20-subnets","text":"Auto mode VPC networks automatically create one /20 subnet per region from the 10.128.0.0/9 block.","truth_value":"IN","source":"entries/2026/03/10/vpc-subnets.md","source_url":"","source_hash":"0a93f184ecf6ad03","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"auto-mode-vpc-creates-slash-20-subnets","truth_value":"IN","reason":"premise"}]}}