AS3303 212.243.40.0/21 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 2046Addressable IPs: 2048212.243.40.0/24212.243.41.0/24212.243.42.0/24212.243.43.0/24212.243.44.0/24212.243.45.0/24212.243.46.0/24212.243.47.0/24