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	Prefix	Description
	170.217.161.0/24	Discover Financial Services
	170.217.252.0/24	Discover Financial Services
	170.217.254.0/24	Discover Financial Services
	199.38.149.0/24	Discover Financial Services
	199.38.150.0/24	Discover Financial Services
	199.38.153.0/24	Discover Financial Services
	199.38.154.0/24	Discover Financial Services
	208.88.88.0/24	Discover Financial Services
	208.88.90.0/24	Discover Financial Services
	208.88.91.0/24	Discover Financial Services

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS32787	Akamai (Prolexic)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS32787	Akamai (Prolexic)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

ASHandle:       AS12147
OrgID:          DFS-35
ASName:         DFS-RWD
ASNumber:       12147
RegDate:        2005-06-10
Updated:        2020-09-08
TechHandle:     DSE10-ARIN
TechHandle:     OLSEN205-ARIN
TechHandle:     PMA213-ARIN
TechHandle:     WOODL3-ARIN
Source:         ARIN



OrgID:          DFS-35
OrgName:        Discover Financial Services
CanAllocate:    
Street:         2500 Lake Cook Rd
City:           Riverwoods
State/Prov:     IL
Country:        US
PostalCode:     60015
RegDate:        2003-03-25
Updated:        2022-05-17
OrgAdminHandle: OLSEN205-ARIN
OrgTechHandle:  OLSEN205-ARIN
OrgTechHandle:  PMA213-ARIN
OrgTechHandle:  SEPAN3-ARIN
OrgTechHandle:  WOODL3-ARIN
OrgAbuseHandle: DSE9-ARIN
OrgRoutingHandle:   PMA213-ARIN
OrgDNSHandle:   WOODL3-ARIN
Source:         ARIN





OrgAdminHandle:       OLSEN205-ARIN
OrgAdminName:         Jason Olsen
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        OLSEN205-ARIN
OrgTechName:          Jason Olsen
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        PMA213-ARIN
OrgTechName:          Paul Appling
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SEPAN3-ARIN
OrgTechName:          David Sepanski
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        WOODL3-ARIN
OrgTechName:          Lance Wood
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       DSE9-ARIN
OrgAbuseName:         Dave Sepanski
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     PMA213-ARIN
OrgRoutingName:       Paul Appling
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         WOODL3-ARIN
OrgDNSName:           Lance Wood
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           DSE10-ARIN
TechName:             Dave Sepanski
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           OLSEN205-ARIN
TechName:             Jason Olsen
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           PMA213-ARIN
TechName:             Paul Appling
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           WOODL3-ARIN
TechName:             Lance Wood
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-11T03:29:56Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-prole	1194
RADB	as-kddcustomer2	8206
RADB	as-telstra-intl-customers	11999
LEVEL3	as-lumen-customers-asns	10695
RADB	as-telstra-testing-1	11790