AS51001 cielo CIELO SRL

cielo CIELO SRL · registered in Italy

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

Rank in Italy#650largest network in IT by IPv4 space, of 1,081 · <0.01% of IT

Rank worldwide#37,895of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryItaly1,121 ASNs registered there

Open AS51001 in ASN lookup Look up an IP in this network (185.158.236.1) All networks in Italy

IPv4 prefixes

All 1 prefix, in address order.

185.158.236.0/22

Similar-sized networks in Italy

ASNNameIPv4 addresses

AS50352#647 WIREM Riccardo Gori1,024

AS50394#648 SYSTEMSRL-AS-IT SYSTEM SRL1,024

AS50507#649 EURAC-AS Accademia Europea di Bolzano1,024

AS51502#651 UNIFARM-AS Unifarm S.p.A. Unione Farmacisti Trentino - Alto Adige1,024

AS51872#652 ASN-SILTELDTS SILTEL TELECOMUNICAZIONI SRL1,024

AS52054#653 dataroute dataroute srl1,024

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