IPv4 prefix

20.158.0.0/15

IP Prefix (CIDR): 20.158.0.0/15
Subnet Mask: 255.254.0.0
Address Count: 131,072
IP Range: 20.158.0.0 - 20.159.255.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Microsoft Corporation
Handle: MSFT
Address: One Microsoft Way Redmond WA 98052 United States
Registry: ARIN
Registered Prefix: 20.158.0.0/15 (20.158.0.0 - 20.159.255.255)
Delegated Prefix: 20.157.0.0/16 (20.157.0.0 - 20.157.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
20.158.0.0/15	Exact	AS8070	Microsoft Corporation	United States of America (US)	20.158.0.0	20.159.255.255