IP pool by organisation

Search for "PSINet/Data Transmission Network"

IP Pool	Country	State / Region	City	Coordinates	Timezone
206.5.112.0 - 206.5.112.255	United States ISP \| ORG	Nebraska ISP \| ORG	Omaha ISP \| ORG	41.2645, -96.0536	America/Chicago (UTC-6) ISP \| ORG