IP pool by ISP

Search for "National Geophysical Data Center"

IP Pool	Country	State / Region	City	Coordinates	Timezone
192.149.148.0 - 192.149.148.255	United States ISP \| ORG	Colorado ISP \| ORG	Boulder ISP \| ORG	39.98, -105.249	America/Denver (UTC-6) ISP \| ORG