12.129.117.21 IP Address SummaryIP Address Location Information for 12.129.117.21 City: San DiegoState: CaliforniaCountry: United States of AmericaPostal Code: 92121Time Zone: -08:00Host Info for 12.129.117.21 ISP: CERFnetDomain: cerf.netNetwork Speed: DSLProxy Information for 12.129.117.21 Known Proxy: noASN Information for 12.129.117.21 ASN: 17228Organization: AT&T Enhanced Network ServicesASN IP Range: 12.129.116.0/22Copy All IP ResultsPrint All IP Results