IP pool by organisation

Search for "PSINet/National Data Corp."

IP Pool	Country	State / Region	City	Coordinates	Timezone
204.217.116.0 - 204.217.117.255	United States ISP \| ORG	Georgia ISP \| ORG	Atlanta ISP \| ORG	33.835, -84.3298	America/New_York (UTC-4) ISP \| ORG