A list of IP ranges for Amazon AWS

If useful here is a function for getting google cloud IP's.

    get_google()
    {
    for line in $(dig +short txt _cloud-netblocks.googleusercontent.com | tr " " "\n" | grep include | cut -f 2 -d :)                                                           
    do                                                                                                                                                                          
        dig +short txt "${line}"                                                                                                                                            
    done | tr " " "\n" | grep ip4 | cut -f 2 -d : | sort -n | uniq
    }

More information on the json format: https://docs.aws.amazon.com/vpc/latest/userguide/aws-ip-rang...