Network topology

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

AS4373

Currently announcedSnapshot awaiting refresh

Online Computer Library Center · OCLC-AS

Last observed9/29/2026, 11:41:29Open ASN profile →

AS4373 relationship topology

Showing 7 / 7

AS4373Online Computer Library…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13335CLOUDFLARENET - Cloudflare, Inc.

Relationship: Upstream
Observed weight: 275
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

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All adjacent autonomous systems

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7 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS13335Observed weight 275	CLOUDFLARENET - Cloudflare, Inc.	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	5,883
AS15830Observed weight 255	Equinix Equinix (EMEA) Acquisition Enterprises B.V.	Upstream	United Kingdom	8/19/2019, 00:00:00	10/31/2026, 00:00:00	323
AS3356Observed weight 253	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	330
AS3257Observed weight 184	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/19/2019, 00:00:00	10/31/2026, 00:00:00	246
AS4922Observed weight 69	Shenandoah Cable Television LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	82
AS174Observed weight 5	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	5
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1

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