Network topology

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

AS57175

Currently announcedSnapshot awaiting refresh

Tianhai InfoTech Limited · SAKURA-AS

Last observed10/29/2026, 04:12:21Open ASN profile →

AS57175 relationship topology

Showing 2 / 2

AS57175Tianhai InfoTech Limited

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS16509AMAZON-02 - Amazon.com, Inc.

Relationship: Upstream
Observed weight: 248
ASN registration country: United States
Latest RIS data: 10/30/2026, 00:00:00

Open AS16509 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS16509Observed weight 248	AMAZON-02 - Amazon.com, Inc.	Upstream	United States	9/15/2019, 00:00:00	10/30/2026, 00:00:00	0	340
AS4842Observed weight 242	TH-AS-AP - Tianhai InfoTech	Upstream	China	8/25/2019, 00:00:00	10/30/2026, 00:00:00	0	357

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