To create a subnet
This example creates a subnet in the specified VPC with the specified CIDR block. We recommend that you let us select an Availability Zone for you. Alternatively, you can use the --availability-zone option to specify the Availability Zone.
Command:
aws ec2 create-subnet --vpc-id vpc-a01106c2 --cidr-block 10.0.1.0/24
Output:
{
"Subnet": {
"VpcId": "vpc-a01106c2",
"CidrBlock": "10.0.1.0/24",
"State": "pending",
"AvailabilityZone": "us-east-1c",
"SubnetId": "subnet-9d4a7b6c",
"AvailableIpAddressCount": 251
}
}