IP pool by organisation

Search for "CITY OF CHICAGO HEALTH ALERT NETWORK"

IP Pool	Country	State / Region	City	Coordinates	Timezone
64.150.44.80 - 64.150.44.87	United States ISP \| ORG	Illinois ISP \| ORG	Chicago (Central) ISP \| ORG	41.8841, -87.6302	America/Chicago (UTC-5) ISP \| ORG