Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS199569

Currently announcedSnapshot awaiting refresh

Cognizant-EU-AS Cognizant Worldwide Limited · Cognizant-EU-AS

Last observed10/23/2026, 07:55:05Open ASN profile →

AS199569 relationship topology

Showing 5 / 5

AS199569Cognizant-EU-AS Cogniza…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 287
ASN registration country: United States
Latest RIS data: 10/23/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS6461Observed weight 287	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/28/2019, 00:00:00	10/23/2026, 00:00:00	552	162
AS17903Observed weight 145	COGNIZANT-IN-AP - Cognizant Technology Solutions India Pvt Ltd,	Downstream	India	8/28/2019, 00:00:00	10/23/2026, 00:00:00	338	0
AS3356Observed weight 31	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/28/2019, 00:00:00	10/23/2026, 00:00:00	72	0
AS174Observed weight 22	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/28/2019, 00:00:00	10/23/2026, 00:00:00	44	0
AS5580Observed weight 4	GTT-ASIA GTT Communications Netherlands B.V.	Upstream	Netherlands	8/28/2019, 00:00:00	10/23/2026, 00:00:00	8	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context