12.155.21.16 IP Address SummaryIP Address Location Information for 12.155.21.16 City: CupertinoState: CaliforniaCountry: United States of AmericaPostal Code: 95014Time Zone: -08:00Host Info for 12.155.21.16 ISP: AT&T Services Inc.Domain: att.netNetwork Speed: DSLProxy Information for 12.155.21.16 Known Proxy: noASN Information for 12.155.21.16 ASN: 7018Organization: AT&T Services Inc.ASN IP Range: 12.155.0.0/19Copy All IP ResultsPrint All IP Results