AS12147 Discover Financial Services

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	170.217.161.0/24	Discover Financial Services		170.217.0.0/16	ARIN
	170.217.252.0/24	Discover Financial Services		170.82.196.0/22	Lacnic
	170.217.254.0/24	Discover Financial Services		170.217.0.0/16	ARIN
	199.38.149.0/24	Discover Financial Services		199.38.149.0/24	ARIN
	199.38.150.0/24	Discover Financial Services		199.38.150.0/24	ARIN
	199.38.153.0/24	Discover Financial Services		199.38.153.0/24	ARIN
	199.38.154.0/24	Discover Financial Services		199.38.154.0/24	ARIN
	208.88.88.0/24	Discover Financial Services		208.88.88.0/22	ARIN
	208.88.90.0/24	Discover Financial Services		208.88.88.0/22	ARIN
	208.88.91.0/24	Discover Financial Services		208.88.88.0/22	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS32787	PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK	Akamai Technologies, Inc.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS32787	PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK	Akamai Technologies, Inc.

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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.
#


ASNumber:       12147
ASName:         DFS-RWD
ASHandle:       AS12147
RegDate:        2005-06-10
Updated:        2020-09-08    
Ref:            https://rdap.arin.net/registry/autnum/12147


OrgName:        Discover Financial Services
OrgId:          DFS-35
Address:        2500 Lake Cook Rd
City:           Riverwoods
StateProv:      IL
PostalCode:     60015
Country:        US
RegDate:        2003-03-25
Updated:        2022-05-17
Ref:            https://rdap.arin.net/registry/entity/DFS-35


OrgDNSHandle: WOODL3-ARIN
OrgDNSName:   Wood, Lance 
OrgDNSPhone:  +1-801-902-4175 
OrgDNSEmail:  lancewood@discover.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/WOODL3-ARIN

OrgAbuseHandle: DSE9-ARIN
OrgAbuseName:   Sepanski, Dave 
OrgAbusePhone:  +1-224-405-2048 
OrgAbuseEmail:  davesepanski@discoverfinancial.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DSE9-ARIN

OrgTechHandle: PMA213-ARIN
OrgTechName:   Appling, Paul Matthew
OrgTechPhone:  +1-314-814-5402 
OrgTechEmail:  mattappling@discover.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PMA213-ARIN

OrgTechHandle: SEPAN3-ARIN
OrgTechName:   Sepanski, David 
OrgTechPhone:  +1-224-405-0900 
OrgTechEmail:  davesepanski@discover.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SEPAN3-ARIN

OrgTechHandle: WOODL3-ARIN
OrgTechName:   Wood, Lance 
OrgTechPhone:  +1-801-902-4175 
OrgTechEmail:  lancewood@discover.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WOODL3-ARIN

OrgTechHandle: OLSEN205-ARIN
OrgTechName:   Olsen, Jason 
OrgTechPhone:  +1-623-363-2607 
OrgTechEmail:  jasonolsen@discover.com
OrgTechRef:    https://rdap.arin.net/registry/entity/OLSEN205-ARIN

OrgRoutingHandle: PMA213-ARIN
OrgRoutingName:   Appling, Paul Matthew
OrgRoutingPhone:  +1-314-814-5402 
OrgRoutingEmail:  mattappling@discover.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PMA213-ARIN

RTechHandle: DSE10-ARIN
RTechName:   Sepanski, Dave 
RTechPhone:  +1-224-405-2048 
RTechEmail:  davesepanski@discoverfinancial.com
RTechRef:    https://rdap.arin.net/registry/entity/DSE10-ARIN

RTechHandle: OLSEN205-ARIN
RTechName:   Olsen, Jason 
RTechPhone:  +1-623-363-2607 
RTechEmail:  jasonolsen@discover.com
RTechRef:    https://rdap.arin.net/registry/entity/OLSEN205-ARIN

RTechHandle: WOODL3-ARIN
RTechName:   Wood, Lance 
RTechPhone:  +1-801-902-4175 
RTechEmail:  lancewood@discover.com
RTechRef:    https://rdap.arin.net/registry/entity/WOODL3-ARIN

RTechHandle: PMA213-ARIN
RTechName:   Appling, Paul Matthew
RTechPhone:  +1-314-814-5402 
RTechEmail:  mattappling@discover.com
RTechRef:    https://rdap.arin.net/registry/entity/PMA213-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 1997-2025, American Registry for Internet Numbers, Ltd.
#