Network topology

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

AS13167

Currently announcedSnapshot awaiting refresh

Merck-KGaA Merck KGaA · Merck-KGaA

Last observed9/30/2026, 08:34:36Open ASN profile →

AS13167 relationship topology

Showing 4 / 4

AS13167Merck-KGaA Merck KGaA

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3758SINGNET - SingNet

Relationship: Upstream
Observed weight: 436
ASN registration country: Singapore
Latest RIS data: 10/26/2026, 08:00:00

Open AS3758 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
AS3758Observed weight 436	SINGNET - SingNet	Upstream	Singapore	8/19/2019, 00:00:00	10/26/2026, 08:00:00	429	439
AS4657Observed weight 175	Starhub Ltd.	Upstream	Singapore	8/19/2019, 00:00:00	10/26/2026, 08:00:00	119	138
AS8220Observed weight 155	COLT COLT Technology Services Group Limited	Upstream	United Kingdom	8/19/2019, 00:00:00	10/26/2026, 08:00:00	307	166
AS12897Observed weight 144	ENTEGAMEDIANET ENTEGA Medianet GmbH	Upstream	Germany	8/19/2019, 00:00:00	10/26/2026, 08:00:00	277	121

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