IPv4 prefix

12.37.100.0/23

IP Prefix (CIDR)

12.37.100.0/23

Subnet Mask

255.255.254.0

Address Count

512

IP Range

12.37.100.0 - 12.37.101.255

Subnet calculator

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Registered Owner

Owner

DETROIT PUBLIC SCHOOLS

Handle

DPS-139

Address

3011 W GRAND BLVD DETROIT MI 48202 United States

Registry

ARIN

Registered Prefix

12.37.100.0/23 (12.37.100.0 - 12.37.101.255)

Delegated Prefix

12.0.0.0/8 (12.0.0.0 - 12.255.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
12.37.100.0/23	Exact	AS2386	AT&T Enterprises LLC	United States of America (US)	12.37.100.0	12.37.101.255