AS3303 217.192.88.0/21 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 2046Addressable IPs: 2048217.192.88.0/24217.192.89.0/24217.192.90.0/24217.192.91.0/24217.192.92.0/24217.192.93.0/24217.192.94.0/24217.192.95.0/24