IP pool by organisation

Search for "OPTA**Phone Systems"

IP Pool	Country	State / Region	City	Coordinates	Timezone
63.197.11.64 - 63.197.11.71	United States ISP \| ORG	California ISP \| ORG	Rohnert Park ISP \| ORG	38.3511, -122.706	America/Los_Angeles (UTC-8) ISP \| ORG