Network topology

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

AS203544

Currently announcedSnapshot awaiting refresh

WEBDEVIIN-AS ALLOPASS SAS · WEBDEVIIN-AS

Last observed10/10/2026, 14:34:17Open ASN profile →

AS203544 relationship topology

Showing 4 / 4

AS203544WEBDEVIIN-AS ALLOPASS S…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4455BSO IX Reach Ltd

Relationship: Upstream
Observed weight: 178
ASN registration country: United Kingdom
Latest RIS data: 10/10/2026, 00:00:00

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All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS4455Observed weight 178	BSO IX Reach Ltd	Upstream	United Kingdom	8/28/2019, 00:00:00	10/10/2026, 00:00:00	240
AS174Observed weight 76	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/28/2019, 00:00:00	10/10/2026, 00:00:00	95
AS31216Observed weight 9	BSOCOM BSO Network Solutions SAS	Upstream	France	8/28/2019, 00:00:00	10/10/2026, 00:00:00	11
AS43531Observed weight 5	IXREACH BSO Network Solutions SAS	Upstream	France	8/28/2019, 00:00:00	10/10/2026, 00:00:00	6

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