Network topology

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

AS45576

Currently announcedSnapshot awaiting refresh

CERNET2-TSINGHUA6-AS-AP - Tsinghua University · CERNET2-TSINGHUA6-AS-AP

Last observed10/4/2026, 00:21:00Open ASN profile →

AS45576 relationship topology

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AS45576Tsinghua University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University

Relationship: Upstream
Observed weight: 474
ASN registration country: China
Latest RIS data: 10/3/2026, 00:00:00

Open AS24348 profile →

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv6
AS24348Observed weight 474	CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Upstream	China	8/23/2019, 00:00:00	10/3/2026, 00:00:00	1,426
AS24239Observed weight 182	TWD2-NET-AS-AP - TWD2 Education and Research Network	Upstream	China	8/23/2019, 00:00:00	10/3/2026, 00:00:00	255
AS209300Observed weight 182	TWD2-NET Wende Tan	Downstream	United Kingdom	8/23/2019, 00:00:00	10/3/2026, 00:00:00	255

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