# # 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: 209.186.0.0 - 209.187.255.255 CIDR: 209.186.0.0/15 NetName: CERFNET-BLK-3 NetHandle: NET-209-186-0-0-1 Parent: NET209 (NET-209-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: CERFnet (CERF) RegDate: 1997-12-11 Updated: 2003-02-25 Comment: 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/ip/209.186.0.0 OrgName: CERFnet OrgId: CERF Address: 5738 Pacific Center Blvd City: San Diego StateProv: CA PostalCode: 92121 Country: US RegDate: 1989-04-18 Updated: 2024-11-25 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/CERF OrgTechHandle: DRU40-ARIN OrgTechName: Rueegg, Daniel OrgTechPhone: +41 1 4957899 OrgTechEmail: daniel.rueegg@intl.att.com OrgTechRef: https://rdap.arin.net/registry/entity/DRU40-ARIN OrgAbuseHandle: NETWO10-ARIN OrgAbuseName: Network Provisioning OrgAbusePhone: +1-877-789-2877 OrgAbuseEmail: ipadmin@att.com OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO10-ARIN OrgNOCHandle: LEITM2-ARIN OrgNOCName: Leitmanova, Lucia OrgNOCPhone: +421 2 332 25571 OrgNOCEmail: rm-ip_allocator@intl.att.com OrgNOCRef: https://rdap.arin.net/registry/entity/LEITM2-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 OrgTechHandle: STRAN154-ARIN OrgTechName: Stranska, Jana OrgTechPhone: +421 233225331 OrgTechEmail: jana.stranska1@intl.att.com OrgTechRef: https://rdap.arin.net/registry/entity/STRAN154-ARIN OrgRoutingHandle: LEITM2-ARIN OrgRoutingName: Leitmanova, Lucia OrgRoutingPhone: +421 2 332 25571 OrgRoutingEmail: rm-ip_allocator@intl.att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/LEITM2-ARIN OrgTechHandle: NAJMI1-ARIN OrgTechName: Najmikova, Ivana OrgTechPhone: +421 250210682 OrgTechEmail: ivana.najmikova@intl.att.com OrgTechRef: https://rdap.arin.net/registry/entity/NAJMI1-ARIN OrgNOCHandle: DRU40-ARIN OrgNOCName: Rueegg, Daniel OrgNOCPhone: +41 1 4957899 OrgNOCEmail: daniel.rueegg@intl.att.com OrgNOCRef: https://rdap.arin.net/registry/entity/DRU40-ARIN OrgNOCHandle: NAJMI1-ARIN OrgNOCName: Najmikova, Ivana OrgNOCPhone: +421 250210682 OrgNOCEmail: ivana.najmikova@intl.att.com OrgNOCRef: https://rdap.arin.net/registry/entity/NAJMI1-ARIN OrgRoutingHandle: DRU40-ARIN OrgRoutingName: Rueegg, Daniel OrgRoutingPhone: +41 1 4957899 OrgRoutingEmail: daniel.rueegg@intl.att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/DRU40-ARIN OrgNOCHandle: STRAN154-ARIN OrgNOCName: Stranska, Jana OrgNOCPhone: +421 233225331 OrgNOCEmail: jana.stranska1@intl.att.com OrgNOCRef: https://rdap.arin.net/registry/entity/STRAN154-ARIN OrgTechHandle: KRAJN2-ARIN OrgTechName: Krajnakova, Henrieta OrgTechPhone: +00000000 OrgTechEmail: henrieta.krajnakova@intl.att.com OrgTechRef: https://rdap.arin.net/registry/entity/KRAJN2-ARIN OrgTechHandle: NETWO10-ARIN OrgTechName: Network Provisioning OrgTechPhone: +1-877-789-2877 OrgTechEmail: ipadmin@att.com OrgTechRef: https://rdap.arin.net/registry/entity/NETWO10-ARIN RTechHandle: IPSWI-ARIN RTechName: IP SWIP RTechPhone: +1-888-613-6330 RTechEmail: swipid@icorefep1.ims.att.com RTechRef: https://rdap.arin.net/registry/entity/IPSWI-ARIN RTechHandle: ICC-ARIN RTechName: IP Team RTechPhone: +1-888-876-2382 RTechEmail: rm-ipspecialist@att.com RTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN RAbuseHandle: ATTAB-ARIN RAbuseName: ATT Abuse RAbusePhone: +1-999-999-9999 RAbuseEmail: abuse@att.net RAbuseRef: https://rdap.arin.net/registry/entity/ATTAB-ARIN RTechHandle: DK71-ARIN RTechName: Kostick, Deirdre RTechPhone: +1-919-319-8249 RTechEmail: help@ip.att.net RTechRef: https://rdap.arin.net/registry/entity/DK71-ARIN # end # start NetRange: 209.186.254.0 - 209.186.254.255 CIDR: 209.186.254.0/24 NetName: 209-186-254-0-24 NetHandle: NET-209-186-254-0-1 Parent: CERFNET-BLK-3 (NET-209-186-0-0-1) NetType: Reassigned OriginAS: Organization: Fiserv Solutions, LLC (FSL-293) RegDate: 2023-08-16 Updated: 2023-08-16 Ref: https://rdap.arin.net/registry/ip/209.186.254.0 OrgName: Fiserv Solutions, LLC OrgId: FSL-293 Address: 255 Fiserv Drive City: Brookfield StateProv: WI PostalCode: 53045 Country: US RegDate: 2020-06-30 Updated: 2021-10-15 Ref: https://rdap.arin.net/registry/entity/FSL-293 OrgTechHandle: DOE2-ARIN OrgTechName: Oehlerking, David OrgTechPhone: +1-402-777-3098 OrgTechEmail: David.Oehlerking@firstdatacorp.com OrgTechRef: https://rdap.arin.net/registry/entity/DOE2-ARIN OrgRoutingHandle: PATTE249-ARIN OrgRoutingName: Patterson, Mike OrgRoutingPhone: +1-470-686-0396 OrgRoutingEmail: CMT.Fiserv@Calero.com OrgRoutingRef: https://rdap.arin.net/registry/entity/PATTE249-ARIN OrgTechHandle: PATTE249-ARIN OrgTechName: Patterson, Mike OrgTechPhone: +1-470-686-0396 OrgTechEmail: CMT.Fiserv@Calero.com OrgTechRef: https://rdap.arin.net/registry/entity/PATTE249-ARIN OrgDNSHandle: NOC32256-ARIN OrgDNSName: NOC OrgDNSPhone: +1-678-375-4000 OrgDNSEmail: ESMSustainingEng@Fiserv.com OrgDNSRef: https://rdap.arin.net/registry/entity/NOC32256-ARIN OrgAbuseHandle: NOC32256-ARIN OrgAbuseName: NOC OrgAbusePhone: +1-678-375-4000 OrgAbuseEmail: ESMSustainingEng@Fiserv.com OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC32256-ARIN OrgTechHandle: RIEDE-ARIN OrgTechName: Riedener, Peter OrgTechPhone: +1-862-339-5541 OrgTechEmail: peter.riedener@fiserv.com OrgTechRef: https://rdap.arin.net/registry/entity/RIEDE-ARIN OrgTechHandle: NOC32256-ARIN OrgTechName: NOC OrgTechPhone: +1-678-375-4000 OrgTechEmail: ESMSustainingEng@Fiserv.com OrgTechRef: https://rdap.arin.net/registry/entity/NOC32256-ARIN OrgRoutingHandle: NOC32256-ARIN OrgRoutingName: NOC OrgRoutingPhone: +1-678-375-4000 OrgRoutingEmail: ESMSustainingEng@Fiserv.com OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC32256-ARIN OrgNOCHandle: NOC32256-ARIN OrgNOCName: NOC OrgNOCPhone: +1-678-375-4000 OrgNOCEmail: ESMSustainingEng@Fiserv.com OrgNOCRef: https://rdap.arin.net/registry/entity/NOC32256-ARIN OrgTechHandle: JM2443-ARIN OrgTechName: MORAN, JAY OrgTechPhone: +1-470-669-6999 OrgTechEmail: jay.moran@fiserv.com OrgTechRef: https://rdap.arin.net/registry/entity/JM2443-ARIN OrgDNSHandle: PATTE249-ARIN OrgDNSName: Patterson, Mike OrgDNSPhone: +1-470-686-0396 OrgDNSEmail: CMT.Fiserv@Calero.com OrgDNSRef: https://rdap.arin.net/registry/entity/PATTE249-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. #