Network topology

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

AS4743

Not announcedSnapshot awaiting refresh

ISIF-AS-AP - ISIF LIMITED · ISIF-AS-AP

Last observed10/12/2026, 05:03:08Open ASN profile →

AS4743 relationship topology

Showing 4 / 4

AS4743ISIF LIMITED

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS209554ISIF-AS ISIF OU

Relationship: Downstream / Upstream
Observed weight: 2,911
ASN registration country: RIR did not provide a registration country
Latest RIS data: 10/18/2026, 00:00:00

Open AS209554 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS209554Observed weight 2,911	ISIF-AS ISIF OU	Downstream / Upstream	RIR did not provide a registration country	8/19/2019, 00:00:00	10/18/2026, 00:00:00	4,250	12,898
AS49304Observed weight 2,658	SAKURA-AS SAKURA LINK LIMITED	Upstream	RIR did not provide a registration country	8/19/2019, 00:00:00	10/18/2026, 00:00:00	3,911	12,898
AS9516Observed weight 253	SAKURALINK-AS-AP - SAKURA LINK LIMITED	Upstream	Hong Kong SAR China	8/19/2019, 00:00:00	10/18/2026, 00:00:00	339	0
AS154162Observed weight 8	77689388	Downstream	Hong Kong SAR China	8/28/2019, 00:00:00	10/18/2026, 00:00:00	0	8

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