IPv4 prefix

172.208.0.0/13

IP Prefix (CIDR)

172.208.0.0/13

Subnet Mask

255.248.0.0

Address Count

524,288

IP Range

172.208.0.0 - 172.215.255.255

Subnet calculator

Calculate subnet details

Registered Owner

Handle

MICROSOFT-MAINT

Country

United States of America (US)

Registry

RIPENCC

Registered Prefixes

172.208.0.0/16 (172.208.0.0 - 172.208.255.255)
172.209.0.0/16 (172.209.0.0 - 172.209.255.255)
172.210.0.0/16 (172.210.0.0 - 172.210.255.255)
172.211.0.0/16 (172.211.0.0 - 172.211.255.255)
172.212.0.0/16 (172.212.0.0 - 172.212.255.255)
172.213.0.0/16 (172.213.0.0 - 172.213.255.255)
172.214.0.0/16 (172.214.0.0 - 172.214.255.255)
172.215.0.0/16 (172.215.0.0 - 172.215.255.255)

Delegated Prefix

172.208.0.0/13 (172.208.0.0 - 172.215.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
172.208.0.0/13	Exact	AS8075	Microsoft Corporation	United States of America (US)	172.208.0.0	172.215.255.255