# # 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 1997-2026, American Registry for Internet Numbers, Ltd. # # start NetRange: 199.105.0.0 - 199.108.255.255 CIDR: 199.105.0.0/16, 199.106.0.0/15, 199.108.0.0/16 NetName: NETBLK-CERFNET-CBLK2 NetHandle: NET-199-105-0-0-1 Parent: NET199 (NET-199-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1994-01-10 Updated: 2025-03-19 Ref: https://rdap.arin.net/registry/ip/199.105.0.0 OrgName: AT&T Enterprises, LLC OrgId: AEL-360 Address: 208 S. Akard St. City: Dallas StateProv: TX PostalCode: 75202 Country: US RegDate: 2024-11-22 Updated: 2025-10-29 Ref: https://rdap.arin.net/registry/entity/AEL-360 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 OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: DL-routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@semail.att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN # end # start NetRange: 199.107.192.0 - 199.107.223.255 CIDR: 199.107.192.0/19 NetName: CERF-LUTHERAN NetHandle: NET-199-107-192-0-1 Parent: NETBLK-CERFNET-CBLK2 (NET-199-105-0-0-1) NetType: Reassigned OriginAS: Organization: CERFnet customer - California Lutheran University (CCCLU) RegDate: 1996-08-09 Updated: 1997-10-11 Ref: https://rdap.arin.net/registry/ip/199.107.192.0 OrgName: CERFnet customer - California Lutheran University OrgId: CCCLU Address: 60 West Olsen Rd. City: Thousand Oaks StateProv: CA PostalCode: 91360 Country: US RegDate: 1996-08-09 Updated: 2011-09-24 Ref: https://rdap.arin.net/registry/entity/CCCLU OrgAbuseHandle: CERF-HM-ARIN OrgAbuseName: ATand T Enhanced Network Services OrgAbusePhone: +1-858-812-5000 OrgAbuseEmail: notify@attens.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CERF-HM-ARIN OrgTechHandle: CERF-HM-ARIN OrgTechName: ATand T Enhanced Network Services OrgTechPhone: +1-858-812-5000 OrgTechEmail: notify@attens.com OrgTechRef: https://rdap.arin.net/registry/entity/CERF-HM-ARIN RTechHandle: CERF-HM-ARIN RTechName: ATand T Enhanced Network Services RTechPhone: +1-858-812-5000 RTechEmail: notify@attens.com RTechRef: https://rdap.arin.net/registry/entity/CERF-HM-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 1997-2026, American Registry for Internet Numbers, Ltd. #