Network topology

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

AS21837

Currently announcedSnapshot awaiting refresh

OPERASOFTWARE - Opera Software Americas LLC · OPERASOFTWARE

Last observed10/31/2026, 12:41:08Open ASN profile →

AS21837 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