IP pool by organisation

Search for "ATT - INCS"

IP Pool	Country	State / Region	City	Coordinates	Timezone
12.50.0.0 - 12.50.31.255	United States ISP \| ORG	Colorado ISP \| ORG	Denver (Central Business District) ISP \| ORG	39.7452, -104.996	America/Denver (UTC-6) ISP \| ORG