ASNumber: 396373 ASName: 27595 ASHandle: AS396373 RegDate: 2017-05-22 Updated: 2018-01-24 Ref: https://rdap.arin.net/registry/autnum/396373 OrgID: COLUM-70 OrgName: Columbia College Chicago CanAllocate: Street: 600 S. Michigan Ave. City: Chicago State/Prov: IL Country: US PostalCode: 60605 RegDate: 2010-03-08 Updated: 2026-07-07 OrgAdminHandle DUHRM-ARIN OrgTechHandle DUHRM-ARIN OrgTechHandle RUIZR9-ARIN OrgAbuseHandle DUHRM-ARIN OrgAbuseHandle RUIZR9-ARIN OrgNOCHandle DUHRM-ARIN OrgNOCHandle RUIZR9-ARIN OrgRoutingHandle DUHRM-ARIN OrgRoutingHandle RUIZR9-ARIN OrgDNSHandle DUHRM-ARIN OrgDNSHandle RUIZR9-ARIN Source: ARIN OrgAdminHandleHandle: DUHRM-ARIN OrgAdminHandleName: Duhr, Mike OrgAdminHandlePhone: +1-312-369-7879 OrgAdminHandleEmail: [email protected] OrgAdminHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgTechHandleHandle: DUHRM-ARIN OrgTechHandleName: Duhr, Mike OrgTechHandlePhone: +1-312-369-7879 OrgTechHandleEmail: [email protected] OrgTechHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgTechHandleHandle: RUIZR9-ARIN OrgTechHandleName: Ruiz, Robert OrgTechHandlePhone: +1-312-369-8857 OrgTechHandleEmail: [email protected] OrgTechHandleRef: https://rdap.arin.net/registry/entity/RUIZR9-ARIN OrgAbuseHandleHandle: DUHRM-ARIN OrgAbuseHandleName: Duhr, Mike OrgAbuseHandlePhone: +1-312-369-7879 OrgAbuseHandleEmail: [email protected] OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgAbuseHandleHandle: RUIZR9-ARIN OrgAbuseHandleName: Ruiz, Robert OrgAbuseHandlePhone: +1-312-369-8857 OrgAbuseHandleEmail: [email protected] OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/RUIZR9-ARIN OrgNOCHandleHandle: DUHRM-ARIN OrgNOCHandleName: Duhr, Mike OrgNOCHandlePhone: +1-312-369-7879 OrgNOCHandleEmail: [email protected] OrgNOCHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgNOCHandleHandle: RUIZR9-ARIN OrgNOCHandleName: Ruiz, Robert OrgNOCHandlePhone: +1-312-369-8857 OrgNOCHandleEmail: [email protected] OrgNOCHandleRef: https://rdap.arin.net/registry/entity/RUIZR9-ARIN OrgRoutingHandleHandle: DUHRM-ARIN OrgRoutingHandleName: Duhr, Mike OrgRoutingHandlePhone: +1-312-369-7879 OrgRoutingHandleEmail: [email protected] OrgRoutingHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgRoutingHandleHandle: RUIZR9-ARIN OrgRoutingHandleName: Ruiz, Robert OrgRoutingHandlePhone: +1-312-369-8857 OrgRoutingHandleEmail: [email protected] OrgRoutingHandleRef: https://rdap.arin.net/registry/entity/RUIZR9-ARIN OrgDNSHandleHandle: DUHRM-ARIN OrgDNSHandleName: Duhr, Mike OrgDNSHandlePhone: +1-312-369-7879 OrgDNSHandleEmail: [email protected] OrgDNSHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN OrgDNSHandleHandle: RUIZR9-ARIN OrgDNSHandleName: Ruiz, Robert OrgDNSHandlePhone: +1-312-369-8857 OrgDNSHandleEmail: [email protected] OrgDNSHandleRef: https://rdap.arin.net/registry/entity/RUIZR9-ARIN RTechHandleHandle: ACCET3-ARIN RTechHandleName: Accettura, Tom RTechHandlePhone: +1-312-369-7001 RTechHandleEmail: [email protected] RTechHandleRef: https://rdap.arin.net/registry/entity/ACCET3-ARIN RTechHandleHandle: DUHRM-ARIN RTechHandleName: Duhr, Mike RTechHandlePhone: +1-312-369-7879 RTechHandleEmail: [email protected] RTechHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN RAbuseHandleHandle: ACCET3-ARIN RAbuseHandleName: Accettura, Tom RAbuseHandlePhone: +1-312-369-7001 RAbuseHandleEmail: [email protected] RAbuseHandleRef: https://rdap.arin.net/registry/entity/ACCET3-ARIN RAbuseHandleHandle: DUHRM-ARIN RAbuseHandleName: Duhr, Mike RAbuseHandlePhone: +1-312-369-7879 RAbuseHandleEmail: [email protected] RAbuseHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN RNOCHandleHandle: ACCET3-ARIN RNOCHandleName: Accettura, Tom RNOCHandlePhone: +1-312-369-7001 RNOCHandleEmail: [email protected] RNOCHandleRef: https://rdap.arin.net/registry/entity/ACCET3-ARIN RNOCHandleHandle: DUHRM-ARIN RNOCHandleName: Duhr, Mike RNOCHandlePhone: +1-312-369-7879 RNOCHandleEmail: [email protected] RNOCHandleRef: https://rdap.arin.net/registry/entity/DUHRM-ARIN