NetRange:       166.73.0.0 - 166.73.255.255
CIDR:           166.73.0.0/16
NetName:        FISERV
NetHandle:      NET-166-73-0-0-1
Parent:         NET166 (NET-166-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   Fiserv Solutions, LLC (FSL-293)
RegDate:        1993-11-01
Updated:        2025-03-03
Ref:            https://rdap.arin.net/registry/ip/166.73.0.0
OrgName:        Fiserv Solutions, LLC
OrgId:          FSL-293
Address:        255 Fiserv Drive
City:           Brookfield
StateProv:      WI
PostalCode:     53045
Country:        US
RegDate:        2020-06-30
Updated:        2026-07-01
Ref:            https://rdap.arin.net/registry/entity/FSL-293
OrgRoutingHandle: REGIS119-ARIN
OrgRoutingName:   Registrant Admin
OrgRoutingPhone:  +1-888-377-8726
OrgRoutingEmail:  Registrant.Admin@fiserv.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/REGIS119-ARIN
OrgTechHandle: MADEL6-ARIN
OrgTechName:   Madel, Steve
OrgTechPhone:  +1-402-770-5406
OrgTechEmail:  steven.madel@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MADEL6-ARIN
OrgDNSHandle: REGIS119-ARIN
OrgDNSName:   Registrant Admin
OrgDNSPhone:  +1-888-377-8726
OrgDNSEmail:  Registrant.Admin@fiserv.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/REGIS119-ARIN
OrgRoutingHandle: NOC32256-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-678-375-4000
OrgRoutingEmail:  ESMSustainingEng@Fiserv.com
OrgRoutingRef:    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
OrgDNSHandle: NOC32256-ARIN
OrgDNSName:   NOC
OrgDNSPhone:  +1-678-375-4000
OrgDNSEmail:  networksupportteama@fiserv.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC32256-ARIN
OrgTechHandle: PATTE249-ARIN
OrgTechName:   Patterson, Mike
OrgTechPhone:  +1-678-375-3484
OrgTechEmail:  CMT.Fiserv@Calero.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PATTE249-ARIN
OrgAbuseHandle: REGIS118-ARIN
OrgAbuseName:   Registrant Abuse
OrgAbusePhone:  +1-888-377-8726
OrgAbuseEmail:  Registrant.Abuse@fiserv.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS118-ARIN
OrgTechHandle: DOE2-ARIN
OrgTechName:   Oehlerking, David
OrgTechPhone:  +1-402-689-1246
OrgTechEmail:  david.oehlerking@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DOE2-ARIN
OrgNOCHandle: NOC32256-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-678-375-4000
OrgNOCEmail:  networksupportteama@fiserv.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32256-ARIN
OrgTechHandle: NOC32256-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-678-375-4000
OrgTechEmail:  networksupportteama@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC32256-ARIN
OrgTechHandle: GGT3-ARIN
OrgTechName:   Tempesta, George George
OrgTechPhone:  +1-302-416-9225
OrgTechEmail:  george.tempesta@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GGT3-ARIN
OrgTechHandle: FUNKZ-ARIN
OrgTechName:   Funk, Zahn
OrgTechPhone:  +1-614-561-4843
OrgTechEmail:  zahn.funk@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FUNKZ-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
OrgNOCHandle: REGIS119-ARIN
OrgNOCName:   Registrant Admin
OrgNOCPhone:  +1-888-377-8726
OrgNOCEmail:  Registrant.Admin@fiserv.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/REGIS119-ARIN
OrgTechHandle: CAMAC107-ARIN
OrgTechName:   Camacho, Kevin
OrgTechPhone:  +1-531-910-3915
OrgTechEmail:  kevin.camacho@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CAMAC107-ARIN
OrgTechHandle: DOSTE5-ARIN
OrgTechName:   Doster, Tarvaris
OrgTechPhone:  +1-404-312-7612
OrgTechEmail:  tarvaris.doster@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DOSTE5-ARIN
OrgAbuseHandle: NOC32256-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-678-375-4000
OrgAbuseEmail:  networksupportteama@fiserv.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC32256-ARIN
OrgTechHandle: BRUHN7-ARIN
OrgTechName:   Bruhns, Kyle
OrgTechPhone:  +1-901-495-5400
OrgTechEmail:  kyle.bruhns@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BRUHN7-ARIN
OrgTechHandle: REGIS119-ARIN
OrgTechName:   Registrant Admin
OrgTechPhone:  +1-888-377-8726
OrgTechEmail:  Registrant.Admin@fiserv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS119-ARIN