IP pool by ISP

Search for "City of Boulder"

IP Pool	Country	State / Region	City	Coordinates	Timezone
161.98.0.0 - 161.98.255.255	United States ISP \| ORG	Colorado ISP \| ORG	Boulder ISP \| ORG	40.0155, -105.279	America/Denver (UTC-6) ISP \| ORG