216.21.230.12 IP Address SummaryIP Address Location Information for 216.21.230.12 City: WalthamState: MassachusettsCountry: United States of AmericaPostal Code: 02451Time Zone: -04:00Host Info for 216.21.230.12 ISP: Constant Contact IncDomain: constantcontact.comNetwork Speed: T1Proxy Information for 216.21.230.12 Known Proxy: yesProxy Type: DCH216.21.230.0/23 216.21.232.0/24 ASN Information for 216.21.230.12 ASN: 40444Organization: Constant Contact IncASN IP Range: 216.21.230.0/24Copy All IP ResultsPrint All IP Results