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AS15557 SFR SA

LDCOMNET Societe Francaise Du Radiotelephone - SFR SA · registered in France

IPv4 addresses15,811,072185 prefixes · 0.505% of announced IPv4
Rank in France#2largest network in FR by IPv4 space, of 1,375 · 22.24% of FR
Rank worldwide#26of 79,396 networks with IPv4
IPv6148 x /32 (9,699,336 x /48)9 prefixes
CountryFrance1,474 ASNs registered there
Open AS15557 in ASN lookup Look up an IP in this network (37.64.0.1) All networks in France

IPv4 prefixes

All 185 prefixes, in address order.

  • 37.64.0.0/13
  • 46.35.0.0/19
  • 46.218.0.0/16
  • 62.8.0.0/19
  • 62.39.0.0/18
  • 62.39.64.0/21
  • 62.39.72.0/22
  • 62.39.76.0/24
  • 62.39.78.0/23
  • 62.39.80.0/20
  • 62.39.96.0/22
  • 62.39.101.0/24
  • 62.39.102.0/23
  • 62.39.104.0/21
  • 62.39.112.0/20
  • 62.39.128.0/17
  • 62.62.128.0/17
  • 62.106.128.0/17
  • 62.129.160.0/19
  • 62.241.64.0/18
  • 77.104.0.0/18
  • 77.128.0.0/14
  • 77.132.0.0/15
  • 77.134.0.0/17
  • 77.134.128.0/18
  • 77.134.192.0/21
  • 77.134.200.0/22
  • 77.134.204.0/24
  • 77.134.205.0/24
  • 77.134.206.0/23
  • 77.134.208.0/20
  • 77.134.224.0/19
  • 77.135.0.0/16
  • 77.136.0.0/16
  • 77.137.196.0/22
  • 77.137.200.0/21
  • 77.137.208.0/20
  • 77.140.0.0/15
  • 77.142.0.0/16
  • 77.144.0.0/12
  • 77.192.0.0/12
  • 78.112.0.0/12
  • 78.155.128.0/19
  • 79.80.0.0/12
  • 79.174.192.0/18
  • 80.70.32.0/20
  • 80.118.0.0/15
  • 80.124.0.0/15
  • 80.236.0.0/17
  • 81.1.0.0/18
  • 81.64.0.0/14
  • 81.185.0.0/16
  • 81.220.0.0/16
  • 82.101.0.0/18
  • 82.216.0.0/16
  • 83.141.128.0/17
  • 83.145.64.0/18
  • 84.4.0.0/14
  • 84.55.128.0/18
  • 84.96.0.0/13
  • 84.205.128.0/19
  • 85.68.0.0/15
  • 85.168.0.0/14
  • 85.203.7.0/24
  • 86.64.0.0/12
  • 87.231.0.0/16
  • 88.136.0.0/14
  • 88.140.0.0/15
  • 88.142.0.0/16
  • 88.143.251.0/24
  • 88.143.252.0/22
  • 88.219.0.0/16
  • 89.2.0.0/16
  • 89.3.0.0/17
  • 89.3.128.0/18
  • 89.3.192.0/19
  • 89.3.224.0/20
  • 89.156.0.0/16
  • 89.157.0.0/18
  • 89.157.64.0/20
  • 89.157.80.0/21
  • 89.157.128.0/17
  • 89.158.0.0/15
  • 89.224.0.0/14
  • 91.68.0.0/14
  • 91.151.112.0/20
  • 91.189.104.0/21
  • 91.240.78.0/23
  • 92.88.0.0/13
  • 92.102.0.0/15
  • 93.0.0.0/11
  • 93.191.80.0/21
  • 95.157.192.0/18
  • 109.0.0.0/11
  • 141.170.216.0/21
  • 143.196.0.0/23
  • 143.196.16.0/23
  • 143.196.18.0/24
  • 143.196.20.0/23
  • 143.196.124.0/22
  • 143.196.130.0/24
  • 143.196.143.0/24
  • 143.196.144.0/24
  • 143.196.157.0/24
  • 143.196.158.0/23
  • 143.196.160.0/21
  • 143.196.250.0/24
  • 143.196.252.0/23
  • 148.169.22.0/24
  • 185.9.152.0/22
  • 185.43.35.0/24
  • 185.60.8.0/24
  • 185.147.204.0/22
  • 185.197.101.0/24
  • 185.204.172.0/22
  • 185.228.226.0/24
  • 192.102.224.0/24
  • 193.54.67.0/24
  • 193.56.37.0/24
  • 193.105.197.0/24
  • 193.107.240.0/22
  • 194.88.222.0/23
  • 194.183.192.0/19
  • 194.242.176.0/20
  • 195.3.0.0/18
  • 195.7.96.0/19
  • 195.98.96.0/19
  • 195.115.0.0/18
  • 195.115.64.0/19
  • 195.115.96.0/20
  • 195.115.112.0/22
  • 195.115.120.0/21
  • 195.115.128.0/17
  • 195.132.0.0/16
  • 195.146.192.0/19
  • 195.167.192.0/20
  • 195.167.224.0/20
  • 195.190.156.0/24
  • 195.191.244.0/23
  • 195.202.6.0/23
  • 195.202.8.0/24
  • 195.234.41.0/24
  • 195.248.0.0/19
  • 212.30.96.0/19
  • 212.39.128.0/19
  • 212.94.160.0/19
  • 212.99.0.0/17
  • 212.103.0.0/20
  • 212.103.16.0/21
  • 212.103.26.0/23
  • 212.103.29.0/24
  • 212.103.30.0/23
  • 212.198.0.0/17
  • 212.198.128.0/18
  • 212.198.192.0/19
  • 212.198.224.0/20
  • 212.198.240.0/23
  • 212.198.244.0/22
  • 212.198.248.0/22
  • 212.198.252.0/23
  • 213.30.128.0/18
  • 213.128.32.0/19
  • 213.144.192.0/19
  • 213.169.160.0/19
  • 213.203.64.0/18
  • 213.223.0.0/19
  • 213.223.32.0/21
  • 213.223.40.0/22
  • 213.223.44.0/23
  • 213.223.48.0/20
  • 213.223.64.0/18
  • 213.223.128.0/17
  • 213.244.0.0/19
  • 213.245.0.0/23
  • 213.245.3.0/24
  • 213.245.4.0/22
  • 213.245.8.0/21
  • 213.245.16.0/20
  • 213.245.32.0/19
  • 213.245.64.0/18
  • 213.245.128.0/17
  • 217.19.192.0/20
  • 217.66.112.0/20
  • 217.70.80.0/20
  • 217.112.224.0/20

IPv6 prefixes

All 9 prefixes.

  • 2a00:6200::/29
  • 2a02:8400::/25
  • 2a02:e000::/29
  • 2a04:800::/30
  • 2a04:807::/46
  • 2a13:7505:3::/48
  • 2a13:7505:4::/48
  • 2a13:7505:8004::/48
  • 2a13:7506:9004::/48

Other ASNs named SFR SA

10 other networks use the same organisation name; together with AS15557 they announce 16,065,280 IPv4 addresses.

ASNNameIPv4 addresses
AS35632IRIS64-AS Societe Francaise Du Radiotelephone - SFR SA FR131,072
AS47206RENNES-TELECOM-AS Societe Francaise Du Radiotelephone - SFR SA FR49,152
AS49112ARMORCONNECTIC-AS Societe Francaise Du Radiotelephone - SFR SA FR29,696
AS12566SFR-BUSINESS-TEAM Societe Francaise Du Radiotelephone - SFR SA FR19,712
AS43763HAUT-RHIN-TELECOM-AS Societe Francaise Du Radiotelephone - SFR SA FR16,384
AS21502ASN-NUMERICABLE Societe Francaise Du Radiotelephone - SFR SA FR8,192
AS3305ISERE38 Societe Francaise Du Radiotelephone - SFR SA FRIPv6 only
AS15890DSP_Martinique_THD Societe Francaise Du Radiotelephone - SFR SA FRIPv6 only
AS34860DSP76 Societe Francaise Du Radiotelephone - SFR SA FRIPv6 only
AS208157DSP_PYRENEES_ATLANTIQUES64 Societe Francaise Du Radiotelephone - SFR SA FRIPv6 only

Similar-sized networks in France

ASNNameIPv4 addresses
AS3215#1 AS3215 Orange S.A.20,082,432
AS12322#3 PROXAD Free SAS8,822,784
AS5410#4 BOUYGTEL-ISP Bouygues Telecom SA7,087,616
AS16276#5 OVH OVH SAS4,655,102

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