IP pool by ISP

Search for "Gentex Corporation"

IP Pool	Country	State / Region	City	Coordinates	Timezone
204.19.223.0 - 204.19.223.255	United States ISP \| ORG	Michigan ISP \| ORG	Zeeland ISP \| ORG	42.8233, -86.0121	America/Detroit (UTC-4) ISP \| ORG