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Telefonica IP Ranges

Telefonica is a consumer and business internet provider. Its network is registered under AS3352 with RIPE, and it announces 213 IPv4 prefixes to the global routing table.

ISP
Provider
Telefonica
Primary ASN
AS3352
Category
ISP
Headquarters
Madrid, Spain
Announced IPv4 prefixes
213
Registry
RIPE

By: Katia Belokon · Verified July 2026

IP Geolocation LookupWHOIS LookupVPN Leak Test

Known IP ranges

These prefixes are currently announced to the global routing table by AS3352 (Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U.). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.

83.36.0.0/16
80.25.0.0/16
79.153.0.0/16
80.31.0.0/16
81.45.0.0/16
88.14.0.0/16
80.24.0.0/16
88.23.0.0/16
213.96.0.0/16
83.55.0.0/16
2a02:9000::/23
2a06:f0c0::/29
2a02:914d::/32 (IPv6)

What does a Telefonica IP mean in a privacy test?

Seeing a Telefonica IP address as your visible address means you are connecting directly through your Telefonica line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.

Related tools

IP Geolocation LookupLook up any Telefonica IP for location and ASN data.WHOIS LookupView the registered CIDR block for any address.VPN Leak TestCheck if your VPN is leaking your real IP, DNS or WebRTC data.AS3352 network detailsRegistry data for this autonomous system.DNS Leak TestSee which resolver answers your DNS queries.What Is an ASN?How autonomous systems identify networks.

Frequently asked questions

What IP ranges does Telefonica use?

Telefonica announces 213 IPv4 prefixes and 17 IPv6 prefixes under AS3352. Larger blocks include 83.36.0.0/16, 80.25.0.0/16, 79.153.0.0/16. The full current list is published by RIPE, and prefixes change as the network grows.

Why does a Telefonica IP appear in my privacy test?

Seeing a Telefonica IP address as your visible address means you are connecting directly through your Telefonica line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.

How large is the Telefonica network?

By CAIDA's AS Rank, AS3352 reaches 99 networks through its customer cone, covering roughly 11.1 million IPv4 addresses. That places it at global rank 464 among all autonomous systems.

How do I look up a Telefonica IP address?

Enter the address in the MyIPScan IP Geolocation Lookup. Addresses in this network return AS3352 (Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U.). WHOIS Lookup shows the registered CIDR block for any specific address.

What ASN does Telefonica use?

Telefonica operates AS3352, registered with RIPE and held by Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U.. In a privacy test this ASN is what identifies traffic as belonging to their network.