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	Prefix	Description
	27.118.33.0/24	Cognizant Technology Solutions India Pvt Ltd
	198.212.56.0/22	Cognizant
	198.212.60.0/22	Cognizant
	209.51.51.0/24
	209.51.61.0/24

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✘

ASHandle:       AS11690
OrgID:          CTSUC
ASName:         COGNIZANT-US
ASNumber:       11690
RegDate:        2012-09-21
Updated:        2012-09-21
Source:         ARIN



OrgID:          CTSUC
OrgName:        Cognizant
CanAllocate:    
Street:         500 Frank W Burr  Blvd
City:           Teaneck
State/Prov:     NJ
Country:        US
PostalCode:     07666
RegDate:        2012-08-09
Updated:        2024-11-25
OrgAdminHandle: GSK21-ARIN
OrgTechHandle:  NETWO9925-ARIN
OrgAbuseHandle: IRTTE-ARIN
OrgNOCHandle:   NETWO9925-ARIN
Source:         ARIN





OrgAdminHandle:       GSK21-ARIN
OrgAdminName:         Sriram Karthik Gandhi
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO9925-ARIN
OrgTechName:           Network Administrator
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       IRTTE-ARIN
OrgAbuseName:          IRT Team
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NETWO9925-ARIN
OrgNOCName:            Network Administrator
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:38:18Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-as209-cust	1818
LEVEL3	as-lumen-customers-asns	10695
RADB	as11690:as-na-customers	1
RADB	as-c1	207