12.187.91.31 IP Address SummaryIP Address Location Information for 12.187.91.31 City: CambridgeState: MassachusettsCountry: United States of AmericaPostal Code: 02138Time Zone: -04:00Host Info for 12.187.91.31 ISP: AT&T Services Inc.Domain: att.netNetwork Speed: DSLProxy Information for 12.187.91.31 Known Proxy: noASN Information for 12.187.91.31 ASN: 7018Organization: AT&T Services Inc.ASN IP Range: 12.187.64.0/18Copy All IP ResultsPrint All IP Results