AS3303 217.192.64.0/20 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 4094Addressable IPs: 4096217.192.64.0/24217.192.65.0/24217.192.66.0/24217.192.67.0/24217.192.68.0/24217.192.69.0/24217.192.70.0/24217.192.71.0/24217.192.72.0/24217.192.73.0/24217.192.74.0/24217.192.75.0/24217.192.76.0/24217.192.77.0/24217.192.78.0/24217.192.79.0/24