IP pool by ISP

Search for "Arizona Public Service Company"

IP Pool	Country	State / Region	City	Coordinates	Timezone
137.91.0.0 - 137.91.255.255	United States ISP \| ORG	Arizona ISP \| ORG	Phoenix ISP \| ORG	33.5237, -112.069	America/Phoenix (UTC-7) ISP \| ORG