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AS12566
AS12566 SFR SA
SFR-BUSINESS-TEAM Societe Francaise Du Radiotelephone - SFR SA · registered in France
IPv4 addresses 19,712 9 prefixes · <0.001% of announced IPv4
Rank in France #82 largest network in FR by IPv4 space, of 1,375 · 0.03% of FR
Rank worldwide #6,200 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country France 1,474 ASNs registered there
IPv4 prefixes
All 9 prefixes, in address order.
87.255.128.0/19 95.181.220.0/23 95.181.222.0/23 185.39.216.0/22 194.153.88.0/23 194.153.90.0/24 194.153.92.0/24 194.153.97.0/24 212.23.160.0/19
Other ASNs named SFR SA
10 other networks use the same organisation name; together with AS12566 they announce 16,065,280 IPv4 addresses.
ASN Name IPv4 addresses
AS15557 LDCOMNET Societe Francaise Du Radiotelephone - SFR SA FR 15,811,072 AS35632 IRIS64-AS Societe Francaise Du Radiotelephone - SFR SA FR 131,072 AS47206 RENNES-TELECOM-AS Societe Francaise Du Radiotelephone - SFR SA FR 49,152 AS49112 ARMORCONNECTIC-AS Societe Francaise Du Radiotelephone - SFR SA FR 29,696 AS43763 HAUT-RHIN-TELECOM-AS Societe Francaise Du Radiotelephone - SFR SA FR 16,384 AS21502 ASN-NUMERICABLE Societe Francaise Du Radiotelephone - SFR SA FR 8,192 AS3305 ISERE38 Societe Francaise Du Radiotelephone - SFR SA FR IPv6 only AS15890 DSP_Martinique_THD Societe Francaise Du Radiotelephone - SFR SA FR IPv6 only AS34860 DSP76 Societe Francaise Du Radiotelephone - SFR SA FR IPv6 only AS208157 DSP_PYRENEES_ATLANTIQUES64 Societe Francaise Du Radiotelephone - SFR SA FR IPv6 only
Similar-sized networks in France
ASN Name IPv4 addresses
AS47866 #79 IBROWSE iBrowse SARL21,248 AS35283 #80 NETWORTH-MAIN-AS Networth Telecom SAS20,480 AS35184 #81 STELOGY Nomotech SAS20,480 AS198875 #84 APHP-AS Assistance Publique Hopitaux De Paris19,456 AS8554 #85 ATSAT TAS France SAS19,200
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