Network topology

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

AS43121

Currently announcedSnapshot awaiting refresh

SAS COMMUNICATION INTERACTIVE · ETC

Last observed10/3/2026, 17:50:35Open ASN profile →

AS43121 relationship topology

Showing 2 / 2

AS43121SAS COMMUNICATION INTER…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS42845Bretagnetelecom BLUE SAS

Relationship: Upstream
Observed weight: 259
ASN registration country: France
Latest RIS data: 10/3/2026, 00:00:00

Open AS42845 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS42845Observed weight 259	Bretagnetelecom BLUE SAS	Upstream	France	8/23/2019, 00:00:00	10/3/2026, 00:00:00	330	0
AS65339Observed weight 2	Network name pending collection	Upstream	Registration country pending sync	8/23/2019, 00:00:00	10/3/2026, 00:00:00	4	0

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