AS3303 212.243.104.0/21 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 2046Addressable IPs: 2048212.243.104.0/24212.243.105.0/24212.243.106.0/24212.243.107.0/24212.243.108.0/24212.243.109.0/24212.243.110.0/24212.243.111.0/24