AS45899 123.31.48.0/20 CIDR and IP Range Summary.ASN: 45899 - VNPT CorpHost Count: 4094Addressable IPs: 4096123.31.48.0/24123.31.49.0/24123.31.50.0/24123.31.51.0/24123.31.52.0/24123.31.53.0/24123.31.54.0/24123.31.55.0/24123.31.56.0/24123.31.57.0/24123.31.58.0/24123.31.59.0/24123.31.60.0/24123.31.61.0/24123.31.62.0/24123.31.63.0/24