AS42515 ACIINFO-AS ACI informatica s.p.a.

ACIINFO-AS ACI informatica s.p.a. · registered in Italy

IPv4 addresses3,0722 prefixes · <0.001% of announced IPv4

Rank in Italy#347largest network in IT by IPv4 space, of 1,081 · <0.01% of IT

Rank worldwide#18,727of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS42515 in ASN lookup Look up an IP in this network (77.73.56.1) All networks in Italy

IPv4 prefixes

All 2 prefixes, in address order.

77.73.56.0/21
185.39.188.0/22

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS57142#344 AS-FIBER23 Fiber 23 SRL3,072

AS39808#345 FONTEL Fontel S.p.A.3,072

AS39825#346 NEEN-ASN NEEN S.p.A3,072

AS49265#348 csgalileo Cooperativa Sociale Galileo A.r.l.3,072

AS51499#349 INTERMATICA-AS INTERMATICA SPA3,072

AS56320#350 VIKING-AS VIKING SRL3,072

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