ASN AS26144 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26144?

AS26144 is listed under Fiserv Solutions, LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS26144 Fiserv Solutions, LLC

ASN Lookup Tool

Fiserv Solutions, LLC fiserv.com

US 4 Routes

AS Data

AS26144

AS26144 – Fiserv Solutions, LLC

AS Number	26144
AS Name	FISERV-EFT
Organization	Fiserv Solutions, LLC(fsl-293)
Country	US
Website	fiserv.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-07-12

ASN Intelligence API for production workflows

Use ASN data for AS26144 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.202.177.0/24	AS26144	Fiserv Solutions, LLC	Fiserv Solutions, LLC	256
12.111.184.0/23	AS26144	Fiserv Solutions, LLC	Fiserv Solutions, LLC	512
198.202.182.0/24	AS26144	Fiserv Solutions, LLC	Fiserv Solutions, LLC	256
12.111.168.0/24	AS26144	Fiserv Solutions, LLC	Fiserv Solutions, LLC	256

Raw Whois Response

#
# 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.
#


ASNumber:       26144
ASName:         FISERV-EFT
ASHandle:       AS26144
RegDate:        2002-07-12
Updated:        2023-08-31    
Ref:            https://rdap.arin.net/registry/autnum/26144


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


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

OrgAbuseHandle: NOC32256-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-678-375-4000 
OrgAbuseEmail:  ESMSustainingEng@Fiserv.com
OrgAbuseRef:    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+ARIN@tp.org
OrgTechRef:    https://rdap.arin.net/registry/entity/JM2443-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

OrgTechHandle: DOE2-ARIN
OrgTechName:   Oehlerking, David 
OrgTechPhone:  +1-402-777-3098 
OrgTechEmail:  dave.oehlerking@firstdata.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DOE2-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

OrgRoutingHandle: NOC32256-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-678-375-4000 
OrgRoutingEmail:  ESMSustainingEng@Fiserv.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC32256-ARIN

OrgDNSHandle: NOC32256-ARIN
OrgDNSName:   NOC
OrgDNSPhone:  +1-678-375-4000 
OrgDNSEmail:  ESMSustainingEng@Fiserv.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC32256-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


#
# 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.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US