AS61181#540 METRO-DE-MADRID-AS METRO DE MADRID, S.A.1,024
AS197397#541 SESCAM Servicio de Salud de Castilla-Mancha1,024
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources