AS31472 37.157.48.0/21 CIDR and IP Range Summary.ASN: 31472 - VoiceHost LtdHost Count: 2046Addressable IPs: 204837.157.48.0/2437.157.49.0/2437.157.50.0/2437.157.51.0/2437.157.52.0/2437.157.53.0/2437.157.54.0/2437.157.55.0/24