public Integer getAllocationDefaultNetmaskLength() {
        return this.allocationDefaultNetmaskLength;
    }
<p>
The default netmask length for allocations added to this pool. If, for example, the CIDR assigned to this pool is
10.0.0.0/8 and you enter 16 here, new allocations will default to 10.0.0.0/16.
</p>

@return The default netmask length for allocations added to this pool. If, for example, the CIDR assigned to this
        pool is 10.0.0.0/8 and you enter 16 here, new allocations will default to 10.0.0.0/16.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CreateIpamPoolRequest.java