AS3303 212.243.184.0/21 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 2046Addressable IPs: 2048212.243.184.0/24212.243.185.0/24212.243.186.0/24212.243.187.0/24212.243.188.0/24212.243.189.0/24212.243.190.0/24212.243.191.0/24