--- layout: "aws" page_title: "AWS: aws_subnet" sidebar_current: "docs-aws-resource-subnet" --- # aws\_subnet Provides an VPC subnet resource. ## Example Usage ``` resource "aws_subnet" "main" { vpc_id = "${aws_vpc.main.id}" cidr_block = "10.0.1.0/24" } ``` ## Argument Reference The following arguments are supported: * `availability_zone`- (Optional) The AZ for the subnet. * `cidr_block` - (Required) The CIDR block for the subnet. * `map_public_ip_on_launch` - (Optional) Specify true to indicate that instances launched into the subnet should be assigned a public IP address. * `vpc_id` - (Required) The VPC ID. ## Attributes Reference The following attributes are exported: * `id` - The ID of the subnet * `availability_zone`- The AZ for the subnet. * `cidr_block` - The CIDR block for the subnet. * `vpc_id` - The VPC ID.