IP pool by organisation

Search for "PSINET/National Science Foundation"

IP Pool	Country	State / Region	City	Coordinates	Timezone
206.2.78.0 - 206.2.78.255	United States ISP \| ORG	Virginia ISP \| ORG	Arlington ISP \| ORG	38.8802, -77.1106	America/New_York (UTC-4) ISP \| ORG