{"id":"subnet-four-types-public-private-vpn-isolated","text":"VPC subnets have four types based on routing: public (route to IGW), private (NAT for internet), VPN-only (route to virtual private gateway), and isolated (no routes outside the VPC).","truth_value":"IN","source":"entries/2026/03/08/vpc-subnets.md","source_url":"","source_hash":"d4faa1e970199eeb","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"subnet-four-types-public-private-vpn-isolated","truth_value":"IN","reason":"premise"}]}}