# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # # start NetRange: 12.0.0.0 - 12.255.255.255 CIDR: 12.0.0.0/8 NetName: ATT NetHandle: NET-12-0-0-0-1 Parent: NET12 (NET-12-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Services, Inc. (ATTW-Z) RegDate: 1983-08-23 Updated: 2024-07-30 Comment: For abuse issues contact abuse@att.net Ref: https://rdap.arin.net/registry/ip/12.0.0.0 OrgName: AT&T Services, Inc. OrgId: ATTW-Z Address: 200 S. Laurel AVE. City: MIDDLETOWN StateProv: NJ PostalCode: 07748 Country: US RegDate: 2009-12-18 Updated: 2024-05-28 Comment: Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues. Comment: All policy abuse issues sent to other POCs will be disregarded. Ref: https://rdap.arin.net/registry/entity/ATTW-Z OrgTechHandle: IPSWI-ARIN OrgTechName: IP SWIP OrgTechPhone: +1-888-613-6330 OrgTechEmail: help@ip.att.net OrgTechRef: https://rdap.arin.net/registry/entity/IPSWI-ARIN OrgTechHandle: ICC-ARIN OrgTechName: IP Team OrgTechPhone: +1-888-876-2382 OrgTechEmail: rm-ipspecialist@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN OrgAbuseHandle: ATTAB-ARIN OrgAbuseName: ATT Abuse OrgAbusePhone: +1-999-999-9999 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ATTAB-ARIN OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing@cbbtier3.att.net OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN RTechHandle: IAA17-ARIN RTechName: IP Address Administration RTechPhone: +1-732-420-2071 RTechEmail: addrmgt@qsun.att.com RTechRef: https://rdap.arin.net/registry/entity/IAA17-ARIN # end # start NetRange: 12.231.58.0 - 12.231.58.255 CIDR: 12.231.58.0/24 NetName: ATT-NET-12-231-58-0 NetHandle: NET-12-231-58-0-1 Parent: ATT (NET-12-0-0-0-1) NetType: Reassigned OriginAS: Organization: CALIFORNIA ISO (CALIFO-22) RegDate: 2021-02-12 Updated: 2021-02-12 Comment: This Block is STATIC, not dynamic. Ref: https://rdap.arin.net/registry/ip/12.231.58.0 OrgName: CALIFORNIA ISO OrgId: CALIFO-22 Address: 250 Outcropping Way City: Folsom StateProv: CA PostalCode: 95630 Country: US RegDate: 1999-09-24 Updated: 2023-07-11 Ref: https://rdap.arin.net/registry/entity/CALIFO-22 OrgTechHandle: LIMDA5-ARIN OrgTechName: Lim, Danny OrgTechPhone: +1-916-293-2962 OrgTechEmail: ylim@caiso.com OrgTechRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN OrgDNSHandle: LIMDA5-ARIN OrgDNSName: Lim, Danny OrgDNSPhone: +1-916-293-2962 OrgDNSEmail: ylim@caiso.com OrgDNSRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN OrgAbuseHandle: LIMDA5-ARIN OrgAbuseName: Lim, Danny OrgAbusePhone: +1-916-293-2962 OrgAbuseEmail: ylim@caiso.com OrgAbuseRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN OrgTechHandle: RMM3-ARIN OrgTechName: Melis, Robert Michael OrgTechPhone: +1-916-351-2372 OrgTechEmail: rmelis@caiso.com OrgTechRef: https://rdap.arin.net/registry/entity/RMM3-ARIN OrgAbuseHandle: RMM3-ARIN OrgAbuseName: Melis, Robert Michael OrgAbusePhone: +1-916-351-2372 OrgAbuseEmail: rmelis@caiso.com OrgAbuseRef: https://rdap.arin.net/registry/entity/RMM3-ARIN OrgRoutingHandle: LIMDA5-ARIN OrgRoutingName: Lim, Danny OrgRoutingPhone: +1-916-293-2962 OrgRoutingEmail: ylim@caiso.com OrgRoutingRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN OrgNOCHandle: LIMDA5-ARIN OrgNOCName: Lim, Danny OrgNOCPhone: +1-916-293-2962 OrgNOCEmail: ylim@caiso.com OrgNOCRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN # end # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #