Network topology

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

AS9916

Currently announcedSnapshot awaiting refresh

NCTU-TW - National Yang Ming Chiao Tung University · NCTU-TW

Last observed10/23/2026, 01:19:25Open ASN profile →

AS9916 relationship topology

Showing 4 / 4

AS9916National Yang Ming Chia…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS18185NTCU-AS-TW - 4F, No.114, Sec.1, Chung-Shiao W. Road

Relationship: Upstream
Observed weight: 220
ASN registration country: Taiwan
Latest RIS data: 10/21/2026, 00:00:00

Open AS18185 profile →

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS18185Observed weight 220	NTCU-AS-TW - 4F, No.114, Sec.1, Chung-Shiao W. Road	Upstream	Taiwan	8/19/2019, 00:00:00	10/21/2026, 00:00:00	1,511	161
AS18423Observed weight 20	RAID-AS-TW - RAID Networks Co., Ltd.	Upstream	Taiwan	9/10/2019, 00:00:00	10/21/2026, 00:00:00	20	0
AS3462Observed weight 2	HINET - Data Communication Business Group	Upstream	Taiwan	8/19/2019, 00:00:00	9/29/2026, 00:00:00	36	0
AS4780Observed weight 1	SEEDNET - Digital United Inc.	Upstream	Taiwan	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2	0

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