IP pool by ISP

Search for "Rush University Medical Center"

IP Pool	Country	State / Region	City	Coordinates	Timezone
144.74.0.0 - 144.74.255.255	United States ISP \| ORG	Illinois ISP \| ORG	Chicago (Illinois Medical District) ISP \| ORG	41.8749, -87.6691	America/Chicago (UTC-5) ISP \| ORG