IPv4 prefix

40.125.0.0/17

IP Prefix (CIDR)

40.125.0.0/17

Subnet Mask

255.255.128.0

Address Count

32,768

IP Range

40.125.0.0 - 40.125.127.255

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

40.125.0.0/17 (40.125.0.0 - 40.125.127.255)

Delegated Prefix

40.76.0.0/14 (40.76.0.0 - 40.79.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
40.125.0.0/17	Exact	AS8075	Microsoft Corporation	United States of America (US)	40.125.0.0	40.125.127.255