Network topology

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

AS17977

Currently announcedSnapshot awaiting refresh

Singapore Telecom Japan Ltd · SINGTEL-JP

Last observed9/30/2026, 21:23:42Open ASN profile →

AS17977 relationship topology

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AS17977Singapore Telecom Japan…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7473Singapore Telecommunications (SINGTEL Internet Exchange)

Relationship: Upstream
Observed weight: 259
ASN registration country: Singapore
Latest RIS data: 9/30/2026, 00:00:00

Open AS7473 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
AS7473Observed weight 259	Singapore Telecommunications (SINGTEL Internet Exchange)	Upstream	Singapore	8/19/2019, 00:00:00	9/30/2026, 00:00:00	670	0

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