AS31004 93.157.32.0/21 CIDR and IP Range Summary.ASN: 31004 - Schweizerische Bundesbahnen SBBHost Count: 2046Addressable IPs: 204893.157.32.0/2493.157.33.0/2493.157.34.0/2493.157.35.0/2493.157.36.0/2493.157.37.0/2493.157.38.0/2493.157.39.0/24