IP pool by organisation

Search for "PSINET/Practisys Inc."

IP Pool	Country	State / Region	City	Coordinates	Timezone
206.5.156.0 - 206.5.156.255	United States ISP \| ORG	Ohio ISP \| ORG	Cleveland ISP \| ORG	41.4997, -81.6077	America/New_York (UTC-4) ISP \| ORG