18.3.143.223 IP Address SummaryIP Address Location Information for 18.3.143.223 City: CambridgeState: MassachusettsCountry: United States of AmericaPostal Code: 02139Time Zone: -05:00Host Info for 18.3.143.223 ISP: Massachusetts Institute of TechnologyDomain: mit.eduNetwork Speed: COMPProxy Information for 18.3.143.223 Known Proxy: noASN Information for 18.3.143.223 ASN: 3Organization: Massachusetts Institute of TechnologyASN IP Range: 18.3.0.0/16Copy All IP ResultsPrint All IP Results