AS513 188.185.136.0/21 CIDR and IP Range Summary.ASN: 513 - CERN - European Organization for Nuclear ResearchHost Count: 2046Addressable IPs: 2048188.185.136.0/24188.185.137.0/24188.185.138.0/24188.185.139.0/24188.185.140.0/24188.185.141.0/24188.185.142.0/24188.185.143.0/24