IP pool by organisation

Search for "CERFnet customer - Corporate Offices"

IP Pool	Country	State / Region	City	Coordinates	Timezone
207.252.242.0 - 207.252.242.255	United States ISP \| ORG	Illinois ISP \| ORG	Oak Brook ISP \| ORG	41.8482, -87.9723	America/Chicago (UTC-5) ISP \| ORG