IPv4 prefix

20.0.0.0/11

IP Prefix (CIDR): 20.0.0.0/11
Subnet Mask: 255.224.0.0
Address Count: 2,097,152
IP Range: 20.0.0.0 - 20.31.255.255
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: 20.0.0.0/11 (20.0.0.0 - 20.31.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
20.0.0.0/11	Exact	AS8075	Microsoft Corporation	United States of America (US)	20.0.0.0	20.31.255.255