IPv4 prefix

57.155.0.0/16

IP Prefix (CIDR): 57.155.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 57.155.0.0 - 57.155.255.255
Subnet calculator: Calculate subnet details

Registered Owner

Handle: MICROSOFT-MAINT
Country: Singapore (SG)
Registry: RIPENCC
Registered Prefix: 57.155.0.0/16 (57.155.0.0 - 57.155.255.255)
Delegated Prefix: 57.150.0.0/15 (57.150.0.0 - 57.151.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
57.152.0.0/13	Covering	AS8075	Microsoft Corporation	United States of America (US)	57.152.0.0	57.159.255.255