Network topology

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

AS64249

Currently announcedSnapshot awaiting refresh

Charles River Operation · ENDOFFICE

Last observed10/6/2026, 14:06:10Open ASN profile →

AS64249 relationship topology

Showing 4 / 4

AS64249Charles River Operation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS27552TWDX - TowardEX Technologies International, Inc.

Relationship: Upstream
Observed weight: 349
ASN registration country: United States
Latest RIS data: 10/23/2026, 00:00:00

Open AS27552 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS27552Observed weight 349	TWDX - TowardEX Technologies International, Inc.	Upstream	United States	8/25/2019, 00:00:00	10/23/2026, 00:00:00	7,119	470
AS174Observed weight 160	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/23/2026, 00:00:00	2,672	289
AS26824Observed weight 141	VLUZNET	Downstream	United States	8/25/2019, 00:00:00	10/23/2026, 00:00:00	167	0
AS395584Observed weight 141	PDC-BGP - Data Management	Upstream	United States	8/25/2019, 00:00:00	10/23/2026, 00:00:00	168	0

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