IPv4 prefix

144.60.0.0/21

IP Prefix (CIDR)

144.60.0.0/21

Subnet Mask

255.255.248.0

Address Count

2,048

IP Range

144.60.0.0 - 144.60.7.255

Subnet calculator

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Registered Owner

Owner

AT&T Services, Inc.

Handle

ATTSE-Z

Address

Enterprise IP Group c/o Ed Williams 240 N Meridian Street Room 280 Indianapolis IN 46204 United States

Registry

ARIN

Registered Prefix

144.60.0.0/16 (144.60.0.0 - 144.60.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
144.60.0.0/17	Covering	AS7287	AT&T Enterprises LLC	United States of America (US)	144.60.0.0	144.60.127.255