Network topology

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

AS57986

Currently announcedSnapshot awaiting refresh

Sigma IT Infrastructures Development Co. (Ltd.) · Sigma

Last observed10/5/2026, 20:50:42Open ASN profile →

AS57986 relationship topology

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AS57986Sigma IT Infrastructure…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS39074Sepanta Communication Development Co. Ltd

Relationship: Upstream
Observed weight: 364
ASN registration country: Iran
Latest RIS data: 10/5/2026, 00:00:00

Open AS39074 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
AS39074Observed weight 364	Sepanta Communication Development Co. Ltd	Upstream	Iran	8/25/2019, 00:00:00	10/5/2026, 00:00:00	1,729	0

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