Network topology

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

AS201042

Currently announcedSnapshot awaiting refresh

SD1-Telecom SD1-Telecom SRL · SD1-Telecom

Last observed10/9/2026, 23:16:02Open ASN profile →

AS201042 relationship topology

Showing 3 / 3

AS201042SD1-Telecom SD1-Telecom…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 10/9/2026, 08:00:00

Open AS174 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 256	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/28/2019, 00:00:00	10/9/2026, 08:00:00	679	0
AS29467Observed weight 189	LUXNETWORK S.A.	Upstream	Luxembourg	8/28/2019, 00:00:00	10/9/2026, 08:00:00	1,030	201
AS1299Observed weight 156	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/28/2019, 00:00:00	10/9/2026, 08:00:00	685	145

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