Network topology

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

AS38635

Currently announcedSnapshot awaiting refresh

KEIO-NET - Keio University · KEIO-NET

Last observed10/3/2026, 04:18:33Open ASN profile →

AS38635 relationship topology

Showing 2 / 2

AS38635Keio University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics

Relationship: Upstream
Observed weight: 344
ASN registration country: Japan
Latest RIS data: 11/8/2026, 00:00:00

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All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2907Observed weight 344	SINET-AS - Research Organization of Information and Systems, National Institute of Informatics	Upstream	Japan	8/23/2019, 00:00:00	11/8/2026, 00:00:00	581	590
AS2500Observed weight 40	WIDE-BB - WIDE Project	Upstream	Japan	8/23/2019, 00:00:00	11/8/2026, 00:00:00	78	62

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