AS3303 193.135.224.0/20 CIDR and IP Range Summary.ASN: 3303 - Swisscom (Schweiz) AGHost Count: 4094Addressable IPs: 4096193.135.224.0/24193.135.225.0/24193.135.226.0/24193.135.227.0/24193.135.228.0/24193.135.229.0/24193.135.230.0/24193.135.231.0/24193.135.232.0/24193.135.233.0/24193.135.234.0/24193.135.235.0/24193.135.236.0/24193.135.237.0/24193.135.238.0/24193.135.239.0/24