IPv4 prefix

4.151.0.0/16

IP Prefix (CIDR): 4.151.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 4.151.0.0 - 4.151.255.255
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: 4.144.0.0/12 (4.144.0.0 - 4.159.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
4.144.0.0/12	Covering	AS8075	Microsoft Corporation	United States of America (US)	4.144.0.0	4.159.255.255