12.188.57.21 IP Address SummaryIP Address Location Information for 12.188.57.21 City: ChicagoState: IllinoisCountry: United States of AmericaPostal Code: 60657Time Zone: -05:00Host Info for 12.188.57.21 ISP: Pcac Gi JV LLCDomain: att.netNetwork Speed: COMPProxy Information for 12.188.57.21 Known Proxy: noASN Information for 12.188.57.21 ASN: 7018Organization: AT&T Services Inc.ASN IP Range: 12.188.56.0/22Copy All IP ResultsPrint All IP Results