Autonomous System

AS3352 TELEFONICA DE ESPANA S.A.U.

ISPActiveSpainRIPE

AS3352 (Telefonica_de_EspaNa) is an ISP network operated by TELEFONICA DE ESPANA S.A.U. in Spain, registered with RIPE. It has 209 IPv4 prefixes with 10,464,768 addresses and 17 IPv6 prefixes, which makes it the 64th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses10,464,768in 209 prefixes
IPv6 prefixes17≈ 4.2 × 10³¹ addresses
Size rank#64of 82,200 active ASNs
Abuser scoreVery Low0.04% of its addresses flagged · method

Details

OrganizationTELEFONICA DE ESPANA S.A.U.
AS nameTelefonica_de_EspaNa
Websitetelefonica.es
Country Spain (ES)
Network typeISP
RegistryRIPE
Abuse contactnemesys@telefonica.es
Registered2002-08-28
Last updated2026-09-25

IPv4 prefixes

209 prefixes · 10,464,768 addresses
NetworkAddressesFirst – last address
2.136.0.0/1665,5362.136.0.0 – 2.136.255.255
2.137.0.0/1665,5362.137.0.0 – 2.137.255.255
2.138.0.0/1665,5362.138.0.0 – 2.138.255.255
2.139.0.0/1665,5362.139.0.0 – 2.139.255.255
2.140.0.0/1665,5362.140.0.0 – 2.140.255.255
2.141.0.0/1665,5362.141.0.0 – 2.141.255.255
2.142.0.0/1665,5362.142.0.0 – 2.142.255.255
2.143.0.0/1665,5362.143.0.0 – 2.143.255.255
5.205.0.0/1665,5365.205.0.0 – 5.205.255.255
37.12.0.0/1665,53637.12.0.0 – 37.12.255.255
37.13.0.0/1665,53637.13.0.0 – 37.13.255.255
37.158.0.0/1665,53637.158.0.0 – 37.158.255.255
79.144.0.0/1665,53679.144.0.0 – 79.144.255.255
79.145.0.0/1665,53679.145.0.0 – 79.145.255.255
79.146.0.0/1665,53679.146.0.0 – 79.146.255.255
79.147.0.0/1665,53679.147.0.0 – 79.147.255.255
79.148.0.0/1665,53679.148.0.0 – 79.148.255.255
79.149.0.0/1665,53679.149.0.0 – 79.149.255.255
79.150.0.0/1665,53679.150.0.0 – 79.150.255.255
79.151.0.0/1665,53679.151.0.0 – 79.151.255.255
79.152.0.0/1665,53679.152.0.0 – 79.152.255.255
79.153.0.0/1665,53679.153.0.0 – 79.153.255.255
79.154.0.0/1665,53679.154.0.0 – 79.154.255.255
79.155.0.0/1665,53679.155.0.0 – 79.155.255.255
79.156.0.0/1665,53679.156.0.0 – 79.156.255.255
The 25 largest of 209. The API and the database have all of them.

IPv6 prefixes

17 prefixes
  • 2a02:9000::/23
  • 2a06:f0c0::/29
  • 2a02:9144::/32
  • 2a02:9145::/32
  • 2a02:914a::/32
  • 2a02:914b::/32
  • 2a02:914c::/32
  • 2a02:914d::/32
  • 2a02:914e::/32
  • 2a02:914f::/32
  • 2a02:9150::/32
  • 2a02:9151::/32
  • 2a02:9154::/32
  • 2a02:9155::/32
  • 2a02:9156::/32
  • 2a02:9157::/32
  • 2a02:ee80:4174::/48

Query AS3352 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS3352&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS3352, with or without a key:

curl "https://api.ipapi.is/?q=2.136.0.1"

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