IP pool by organisation

Search for "PSINET/InterOffice"

IP Pool	Country	State / Region	City	Coordinates	Timezone
206.2.229.0 - 206.2.229.255	United States ISP \| ORG	Virginia ISP \| ORG	Fairfax ISP \| ORG	38.8573, -77.3385	America/New_York (UTC-4) ISP \| ORG