Network topology

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

AS21756

Currently announcedSnapshot awaiting refresh

AS21756 - SIDERCA S.A.I.C. · AS21756

Last observed10/22/2026, 10:34:50Open ASN profile →

AS21756 relationship topology

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All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

0 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6

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