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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	63.175.205.0/24	NDC/CORPORATE
	206.227.192.0/24	NDCHealth Corporation
	206.227.193.0/24	NDCHealth Corporation
	206.227.194.0/24	NDCHealth Corporation
	206.227.195.0/24	NDCHealth Corporation
	206.227.196.0/24	NDCHealth Corporation
	206.227.199.0/24	NDCHealth Corporation
	206.227.200.0/24	NDCHealth Corporation
	206.227.205.0/24	NDCHealth Corporation
	206.227.206.0/24	NDCHealth Corporation
	206.227.208.0/24	NDCHealth Corporation
	206.227.209.0/24	NDCHealth Corporation
	206.227.210.0/24	NDCHealth Corporation
	206.227.211.0/24	NDCHealth Corporation
	206.227.216.0/23	NDCHealth Corporation
	206.227.220.0/23	NDCHealth Corporation
	206.227.223.0/24	NDCHealth Corporation
	206.227.226.0/24	NDCHealth Corporation
	206.227.233.0/24	NDCHealth Corporation
	206.227.235.0/24	NDCHealth Corporation

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS701	Verizon Business	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS701	Verizon Business	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS6109
OrgID:          NDC-11
ASName:         NDCHEALTH
ASNumber:       6109
RegDate:        1995-11-10
Updated:        2014-12-02
TechHandle:     WILSO335-ARIN
AbuseHandle:    WILSO335-ARIN
NOCHandle:      WILSO335-ARIN
Source:         ARIN



OrgID:          NDC-11
OrgName:        NDCHealth Corporation
CanAllocate:    
Street:         1564 Northeast Expressway
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30329
RegDate:        1995-11-10
Updated:        2025-09-22
OrgAdminHandle: WITTJ4-ARIN
OrgTechHandle:  JONAR-ARIN
OrgTechHandle:  RWW7-ARIN
OrgAbuseHandle: JONAR-ARIN
OrgAbuseHandle: RWW7-ARIN
OrgNOCHandle:   JONAR-ARIN
OrgNOCHandle:   RWW7-ARIN
OrgRoutingHandle:   JONAR-ARIN
OrgRoutingHandle:   RWW7-ARIN
Source:         ARIN





OrgAdminHandle:       WITTJ4-ARIN
OrgAdminName:         Joseph Witt
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        JONAR-ARIN
OrgTechName:          Mark Jonard
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RWW7-ARIN
OrgTechName:          Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       JONAR-ARIN
OrgAbuseName:         Mark Jonard
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       RWW7-ARIN
OrgAbuseName:         Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         JONAR-ARIN
OrgNOCName:           Mark Jonard
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         RWW7-ARIN
OrgNOCName:           Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     JONAR-ARIN
OrgRoutingName:       Mark Jonard
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     RWW7-ARIN
OrgRoutingName:       Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           WILSO335-ARIN
TechName:             Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          WILSO335-ARIN
AbuseName:            Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            WILSO335-ARIN
NOCName:              Ryan Wilson
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:26:18Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-psinetus-mc	480
LEVEL3	as-lumen-customers-asns	10695
LEVEL3	as-as209-cust	1818