Network topology

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

AS31497

Currently announcedSnapshot awaiting refresh

Comissao do Mercado de Valores Mobiliarios · CMVM-PT-AS

Last observed10/2/2026, 09:37:06Open ASN profile →

AS31497 relationship topology

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AS31497Comissao do Mercado de …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3243MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.

Relationship: Upstream
Observed weight: 199
ASN registration country: Portugal
Latest RIS data: 10/30/2026, 00:00:00

Open AS3243 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3243Observed weight 199	MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	Upstream	Portugal	8/21/2019, 00:00:00	10/30/2026, 00:00:00	270	0
AS2860Observed weight 91	NOS_COMUNICACOES NOS COMUNICACOES, S.A.	Upstream	Portugal	8/21/2019, 00:00:00	10/30/2026, 00:00:00	114	0

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