Network topology

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

AS40123

Currently announcedSnapshot awaiting refresh

Transaction Network Services, Inc. · R2G-2

Last observed10/16/2026, 00:00:00Open ASN profile →

AS40123 relationship topology

Showing 7 / 7

AS40123Transaction Network Ser…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13237LAMBDANET-AS euNetworks GmbH

Relationship: Upstream
Observed weight: 438
ASN registration country: Germany
Latest RIS data: 10/16/2026, 00:00:00

Open AS13237 profile →

All adjacent autonomous systems

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

7 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS13237Observed weight 438	LAMBDANET-AS euNetworks GmbH	Upstream	Germany	8/23/2019, 00:00:00	10/16/2026, 00:00:00	928
AS174Observed weight 296	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/23/2019, 00:00:00	10/16/2026, 00:00:00	688
AS3491Observed weight 156	PCCWG-APAC-HK - PCCW Global (HK) Ltd.	Upstream	Hong Kong SAR China	8/23/2019, 00:00:00	10/15/2026, 00:00:00	210
AS3257Observed weight 153	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/23/2019, 00:00:00	10/15/2026, 00:00:00	242
AS8220Observed weight 126	COLT COLT Technology Services Group Limited	Upstream	United Kingdom	8/23/2019, 00:00:00	10/12/2026, 00:00:00	361
AS22496Observed weight 11	LIMEBROKERAGE-US - Score Priority Corp	Downstream	United States	8/23/2019, 00:00:00	10/16/2026, 00:00:00	12
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/23/2019, 00:00:00	10/3/2026, 00:00:00	2

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