AS3598 157.58.208.0/21 CIDR and IP Range Summary.ASN: 3598 - Microsoft CorporationHost Count: 2046Addressable IPs: 2048157.58.208.0/24157.58.209.0/24157.58.210.0/24157.58.211.0/24157.58.212.0/24157.58.213.0/24157.58.214.0/24157.58.215.0/24