MapPublicIpOnLaunch:

Indicates whether instances launched in this subnet receive a public IPv4 address. The default value is false.

• aws ec2 describe-subnets --filters Name=vpc-id,Values=vpc-0987654321 --output table | egrep "MapPublicIpOnLaunch|Name|CidrBlock"

• aws ec2 describe-subnets --filters Name=vpc-id,Values=vpc-0987654321 | egrep "MapPublicIpOnLaunch|DefaultForAz"

Related

• AWS::EC2::Subnet
• aws ec2 describe-vpcs | grep IsDefault
• aws ec2 describe-subnets | grep DefaultForAz
• Datadog: EC2 subnets should not automatically assign public IP addresses

See also

• AWS subnets: AWS::EC2::Subnet, aws ec2 [ create-subnet| describe-subnets ] --vpc-id, MapPublicIpOnLaunch, aws_subnet
• EIP, ENI, PublicIp, aws ec2 describe-addresses | aws ec2 associate-address | aws ec2 allocate-address, AddressLimitExceeded, MapPublicIpOnLaunch:, aws_eip