AS263789 CORTUC S.A.

AS263789 - CORTUC S.A. · registered in Argentina

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Argentina#392largest network in AR by IPv4 space, of 1,070 · <0.01% of AR

Rank worldwide#31,116of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryArgentina1,083 ASNs registered there

Open AS263789 in ASN lookup Look up an IP in this network (138.121.84.1) All networks in Argentina

IPv4 prefixes

All 1 prefix, in address order.

138.121.84.0/22

IPv6 prefixes

All 1 prefix.

2803:8c40::/32

Similar-sized networks in Argentina

ASNNameIPv4 addresses

AS263755#389 AS263755 - Coop. de Obras y Servicios Publicos Ltda. De Tancacha1,024

AS263757#390 AS263757 - Quasar Informatica S.A.1,024

AS263776#391 AS263776 - Vito Hugo Gonzalez1,024

AS263791#393 AS263791 - REFSA TELECOMUNICACIONES1,024

AS263800#394 AS263800 - GRUPO BARONE SRL1,024

AS263808#395 AS263808 - Cooperativa Electrica de Servicios y Obras Publicas de Oncativo Ltda.1,024

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