Network topology

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

AS37906

Currently announcedSnapshot awaiting refresh

NETIRD-2

Last observed10/3/2026, 02:36:55Open ASN profile →

AS37906 relationship topology

Showing 4 / 4

AS37906NETIRD-2

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 268
ASN registration country: United States
Latest RIS data: 10/30/2026, 00:00:00

Open AS3356 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
AS3356Observed weight 268	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/23/2019, 00:00:00	10/30/2026, 00:00:00	250	241
AS3491Observed weight 114	PCCWG-APAC-HK - PCCW Global (HK) Ltd.	Upstream	Hong Kong SAR China	8/23/2019, 00:00:00	10/30/2026, 00:00:00	129	88
AS23773Observed weight 20	EKZM	Downstream	Japan	8/23/2019, 00:00:00	10/30/2026, 00:00:00	29	0
AS9353Observed weight 7	MEDIAWARS	Downstream	Japan	8/23/2019, 00:00:00	10/30/2026, 00:00:00	20	0

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