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AS12956Telxius (Telefonica Global)

SpainRegistryRIPE NCCTypeT1

As of 26th September 2026, AS12956 (Telxius (Telefonica Global)), a tier-1 transit network registered in Spain with RIPE NCC, originates 28 IPv4 prefixes covering 102k addresses and 3 IPv6 prefixes. By IPv4 address space that makes it the 2,357th-largest of the 79,480 networks we see originating IPv4, and the 21st-largest of 925 in Spain. It is seen behind 34 upstream networks, most often AS32590 (Valve Corporation) and AS1299 (Arelion (fka. Telia Carrier)), and in front of 304 downstream networks. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

28

IPv6 prefixes

3

IPv4 addresses

102k

IPv6 /64s

12.9B

Upstream graph

The networks AS12956 is seen behind, one and two hops out, drawn from real AS paths.

AS12956Toward the internet core
Upstream graph for AS12956: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS12956Telxius (Telefoni…This networkAS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS3356Lumen (Level 3)AS3491PCCW Global (HK) …AS32590Valve CorporationAS8888xTom Pty LtdAS13030Init7 (Switzerlan…AS3130RGnet OUAS49544i3D.net B.VAS3549Lumen (fka. Globa…AS24516Virtutel Pty LtdAS6939Hurricane Electri…

Networks observed one and two hops upstream of AS12956 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

684

adjacent networks

Upstreams
345%
Peers
34651%
Downstreams
30444%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS12956
NetworkCountryRelationshipPathsVantage pts
AS32590Valve CorporationUSPeer455,3844
AS1299Arelion (fka. Telia Carrier)SEPeer287,20968
AS2914NTT America, Inc.USPeer228,63465
AS3356Lumen (Level 3)USPeer139,56762
AS3491PCCW Global (HK) Ltd.HKPeer99,22112
AS6453TATA Communications (America) IncUSPeer97,99636
AS2497Internet Initiative Japan Inc.JPPeer93,1816
AS6939Hurricane Electric LLCUSPeer77,58321
AS3257GTT Communications Inc.USPeer75,17524
AS9002RETN LimitedGBPeer72,18231

Prefixes

All 31

The largest blocks AS12956 originates, widest first.

Largest prefixes originated by AS12956
PrefixAddressesVisibility
66.119.64.0/198.2k81/81
66.201.160.0/198.2k81/81
66.249.192.0/198.2k81/81
84.16.0.0/198.2k81/81
94.142.96.0/198.2k81/81
190.98.128.0/198.2k81/81
190.98.160.0/198.2k81/81
213.140.32.0/198.2k81/81
216.184.96.0/198.2k81/81
181.199.208.0/204.1k81/81

Routing health

How AS12956's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%31
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%31
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 28 prefixes

IPv6 — 3 prefixes

  • /324.3B × /64100.0%3

Recent changes

Announcements that started or stopped since 27th Aug 2026.

No announcement by AS12956 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.