IP pool by organisation

Search for "INTERTEL/PRACTICEWORKS"

IP Pool	Country	State / Region	City	Coordinates	Timezone
63.173.188.0 - 63.173.188.127	United States ISP \| ORG	Arizona ISP \| ORG	Phoenix ISP \| ORG	33.7406, -112.106	America/Phoenix (UTC-7) ISP \| ORG