ELB logs is not a company or organization, instead, it refers to Access Logs for your Application Load Balancer (ALB) or Network Load Balancer (NLB) provided by Amazon Web Services (AWS), which capture detailed information about requests sent to your load balancer and are useful when diagnosing and troubleshooting your applications or your system's performance.
Visit vendor websiteThe source of this information is credited to fwd:cloudsec AWS Accounts. You may also visit the original reference here.