Network topology

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

AS1897

Currently announcedSnapshot awaiting refresh

NOS COMUNICACOES, S.A. · EUNETPT

Last observed9/29/2026, 08:34:08Open ASN profile →

AS1897 relationship topology

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AS1897NOS COMUNICACOES, S.A.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2860NOS_COMUNICACOES NOS COMUNICACOES, S.A.

Relationship: Upstream
Observed weight: 353
ASN registration country: Portugal
Latest RIS data: 9/29/2026, 00:00:00

Open AS2860 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
AS2860Observed weight 353	NOS_COMUNICACOES NOS COMUNICACOES, S.A.	Upstream	Portugal	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2,682	0

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