AS12826 CYLLENE-ITS CYLLENE ITS SAS

CYLLENE-ITS CYLLENE ITS SAS · registered in France

IPv4 addresses6,4006 prefixes · <0.001% of announced IPv4

Rank in France#187largest network in FR by IPv4 space, of 1,375 · <0.01% of FR

Rank worldwide#11,947of 79,396 networks with IPv4

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

CountryFrance1,474 ASNs registered there

Open AS12826 in ASN lookup Look up an IP in this network (81.80.237.1) All networks in France

IPv4 prefixes

All 6 prefixes, in address order.

81.80.237.0/24
91.151.64.0/20
185.23.132.0/23
185.55.164.0/22
185.100.193.0/24
195.101.158.0/24

IPv6 prefixes

All 1 prefix.

2a00:ef60::/32

Similar-sized networks in France

ASNNameIPv4 addresses

AS208363#184 CellhireFrance Cellhire France SARL6,656

AS42687#185 IzarLink1 Izarlink SAS6,400

AS28855#186 OCTOPUCE-AS Octopuce s.a.r.l.6,400

AS31221#188 NLT-FR nLighten France SAS6,400

AS29104#189 THALESGROUP-AS Thales Services Numeriques SAS6,400

AS3299#190 Societe Generale S.A.6,400

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