AS3598 20.176.0.0/13 CIDR and IP Range Summary.ASN: 3598 - Microsoft CorporationHost Count: 524286Addressable IPs: 52428820.176.0.0/1620.176.0.0/1620.176.0.0/1620.176.0.0/1620.176.0.0/1620.176.0.0/1620.176.0.0/1620.176.0.0/16