IP pool by organisation

Search for "CERFnet, Paulstra CRC Corporation"

IP Pool	Country	State / Region	City	Coordinates	Timezone
206.18.221.64 - 206.18.221.95	United States ISP \| ORG	Michigan ISP \| ORG	Grand Rapids ISP \| ORG	42.9725, -85.6344	America/Detroit (UTC-4) ISP \| ORG