Network topology

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

AS63773

Currently announcedSnapshot awaiting refresh

DUAL-NET

Last observed10/6/2026, 12:41:29Open ASN profile →

AS63773 relationship topology

Showing 2 / 2

AS63773DUAL-NET

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2497IIJ - Internet Initiative Japan Inc.

Relationship: Upstream
Observed weight: 690
ASN registration country: Japan
Latest RIS data: 11/5/2026, 00:00:00

Open AS2497 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2497Observed weight 690	IIJ - Internet Initiative Japan Inc.	Upstream	Japan	8/25/2019, 00:00:00	11/5/2026, 00:00:00	1,077	1,307
AS55911Observed weight 366	kazukichi - kazukichi	Downstream	Japan	8/25/2019, 00:00:00	11/5/2026, 00:00:00	416	728

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