Network topology

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

AS138644

Currently announcedSnapshot awaiting refresh

FASTMOS CO., LIMITED · FASTMOS2-AS-AP

Last observed10/7/2026, 10:03:03Open ASN profile →

AS138644 relationship topology

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AS138644FASTMOS CO., LIMITED

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS400619AROSSCLOUD INC.

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 10/7/2026, 00:00:00

Open AS400619 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS400619Observed weight 256	AROSSCLOUD INC.	Upstream	United States	8/25/2019, 00:00:00	10/7/2026, 00:00:00	332	0

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