AS21014 GRTN-AS Terna S.p.A.

GRTN-AS Terna S.p.A. · registered in Italy

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Italy#956largest network in IT by IPv4 space, of 1,081 · <0.01% of IT

Rank worldwide#64,182of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS21014 in ASN lookup Look up an IP in this network (193.108.204.1) All networks in Italy

IPv4 prefixes

All 1 prefix, in address order.

193.108.204.0/24

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS16052#953 ASN-SELECTA SELECTA INDUSTRIAL OPERATIONS S.P.A256

AS20959#954 Telecom-Italia-Data-Com Telecom Italia S.p.A.256

AS21006#955 PDR-AS Segretariato generale della Presidenza della Repubblica256

AS21429#957 SICOB Sicob S.r.l.256

AS25309#958 TOP-IX_RS CONSORZIO TOPIX - TORINO E PIEMONTE EXCHANGE POINT256

AS31086#959 ORTHOFIX-AS Orthofix S.r.l.256

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