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Autonomous System

AS12338

Euskaltel S.A.

Euskaltel S.A. Spain 🌐 euskaltel.com
Announced IPs
507,904
CIDR prefixes
55
ASN
AS12338

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

57/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 3 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS12338 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
188.93.72.0/21 AS12338, AS64512 2026-07-22 10:23:20
46.231.0.0/21 AS12338, AS64512 2026-07-22 10:23:20
185.136.88.0/22 AS12338, AS64512 2026-07-22 10:23:20

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS-EKTEL

Present at 2 internet exchanges: ESpanix Madrid Lower LAN, ESpanix Madrid Upper LAN

Website ↗

AS12338 — global IP footprint

Cities where AS12338 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
83.213.0.0/16 65.5K
99.6%
Euskaltel S.A. ES Basque Country Galdakao
85.84.0.0/16 65.5K
99.6%
Euskaltel S.A. ES Basque Country Vitoria-Gasteiz
37.218.0.0/17 32.8K
96.4%
Euskaltel S.A. ES — —
62.99.0.0/17 32.8K
99.5%
Euskaltel S.A. ES Basque Country Bilbao
81.9.128.0/17 32.8K
95.1%
Euskaltel S.A. ES Basque Country Donostia / San Sebastian
82.130.128.0/17 32.8K
98.7%
Euskaltel S.A. ES Basque Country Getxo
5.159.128.0/18 16.4K
99.2%
Euskaltel S.A. ES Basque Country Vitoria-Gasteiz
85.85.0.0/18 16.4K
99.6%
Euskaltel S.A. ES Basque Country Portugalete
91.116.0.0/18 16.4K
94.1%
Euskaltel S.A. ES Catalonia Barcelona
178.60.64.0/18 16.4K
99.5%
Euskaltel S.A. ES Basque Country Errenteria
212.8.64.0/18 16.4K
87.7%
Euskaltel S.A. ES Basque Country Vitoria-Gasteiz
212.142.192.0/18 16.4K
97.8%
Euskaltel S.A. ES Basque Country Donostia / San Sebastian
85.85.32.0/19 8.2K
0.0%
Euskaltel S.A. ES Basque Country Portugalete
85.85.64.0/19 8.2K
99.6%
Euskaltel S.A. ES Basque Country Bilbao
85.85.128.0/19 8.2K
99.6%
Euskaltel S.A. ES Basque Country Aretxabaleta
85.86.96.0/19 8.2K
99.6%
Euskaltel S.A. ES Basque Country Bilbao
85.86.128.0/19 8.2K
99.6%
Euskaltel S.A. ES — —
85.87.32.0/19 8.2K
99.6%
Euskaltel S.A. ES Basque Country Getxo
85.87.64.0/19 8.2K
99.6%
Euskaltel S.A. ES Catalonia Barcelona
85.87.224.0/19 8.2K
99.6%
Euskaltel S.A. ES — —
212.55.0.0/19 8.2K
0.0%
Euskaltel S.A. ES Basque Country Sodupe
212.142.128.0/19 8.2K
96.5%
Euskaltel S.A. ES Basque Country Getxo
85.85.0.0/20 4.1K
0.0%
Euskaltel S.A. ES Basque Country Durango
85.85.208.0/20 4.1K
99.6%
Euskaltel S.A. ES — —
85.85.240.0/20 4.1K
99.6%
Euskaltel S.A. ES Basque Country Donostia / San Sebastian
85.86.0.0/20 4.1K
99.6%
Euskaltel S.A. ES — —
85.86.80.0/20 4.1K
99.6%
Euskaltel S.A. ES — —
85.86.160.0/20 4.1K
99.6%
Euskaltel S.A. ES — —
85.86.192.0/20 4.1K
99.6%
Euskaltel S.A. ES — —
85.87.96.0/20 4.1K
99.6%
Euskaltel S.A. ES Principality of Asturias Oviedo
85.87.192.0/20 4.1K
99.6%
Euskaltel S.A. ES Basque Country Vitoria-Gasteiz
212.142.176.0/20 4.1K
99.5%
Euskaltel S.A. ES — —
46.231.0.0/21 2.0K
30.5%
Euskaltel S.A. ES — —
85.85.16.0/21 2.0K
0.0%
Euskaltel S.A. ES — —
85.85.96.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.85.192.0/21 2.0K
99.6%
Euskaltel S.A. ES Basque Country Donostia / San Sebastian
85.86.16.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.86.40.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.86.48.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.86.72.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.86.224.0/21 2.0K
99.6%
Euskaltel S.A. ES Basque Country Bilbao
85.87.24.0/21 2.0K
99.6%
Euskaltel S.A. ES Navarre Arre
85.87.112.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.87.168.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.87.208.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
188.93.72.0/21 2.0K
52.4%
Euskaltel S.A. ES — —
212.142.168.0/21 2.0K
99.6%
Euskaltel S.A. ES — —
85.85.24.0/22 1.0K
0.0%
Euskaltel S.A. ES — —
85.86.220.0/22 1.0K
99.6%
Euskaltel S.A. ES — —
85.87.124.0/22 1.0K
99.6%
Euskaltel S.A. ES — —
185.116.180.0/22 1.0K
96.4%
Euskaltel S.A. ES Basque Country Ermua
185.136.88.0/22 1.0K
41.5%
Euskaltel S.A. ES — —
185.209.60.0/22 1.0K
23.4%
Euskaltel S.A. ES — —
212.142.164.0/22 1.0K
99.3%
Euskaltel S.A. ES — —
85.85.28.0/23 512
0.0%
Euskaltel S.A. ES — —
85.87.218.0/23 512
99.6%
Euskaltel S.A. ES — —
85.87.222.0/23 512
99.6%
Euskaltel S.A. ES — —
212.142.162.0/23 512
99.4%
Euskaltel S.A. ES — —
85.85.31.0/24 256
0.0%
Euskaltel S.A. ES — —
212.89.1.0/24 256
9.0%
Euskaltel S.A. ES — —
212.142.160.0/24 256
99.6%
Euskaltel S.A. ES — —
85.85.30.128/25 128
0.0%
Euskaltel S.A. GR — —
85.85.30.0/26 64
0.0%
Euskaltel S.A. GR — —
85.85.30.64/27 32
0.0%
Euskaltel S.A. GR — —
85.85.30.112/28 16
0.0%
Euskaltel S.A. GR — —
85.85.30.96/29 8
0.0%
Euskaltel S.A. GR — —
85.85.30.104/30 4
0.0%
Euskaltel S.A. GR — —
85.85.30.108/31 2
0.0%
Euskaltel S.A. GR — —
85.85.30.110 1
0.0%
Euskaltel S.A. ES — —
85.85.30.111 1
0.0%
Euskaltel S.A. GR — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS12338 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.159.128.0/18 7,245 2026-07-22 10:19:10
85.87.43.0/24 6,294 2026-07-22 10:23:56
5.159.184.0/23 6,245 2026-07-22 10:23:56
5.159.188.0/23 6,236 2026-07-22 10:23:56
5.159.190.0/23 6,236 2026-07-22 10:23:56
5.159.180.0/23 6,235 2026-07-22 10:23:56
5.159.136.0/21 6,226 2026-07-22 10:23:56
5.159.182.0/23 6,222 2026-07-22 10:23:56
5.159.152.0/21 6,220 2026-07-22 10:23:56
5.159.178.0/23 6,204 2026-07-22 10:23:56
5.159.160.0/21 6,200 2026-07-22 10:23:56
5.159.186.0/23 6,191 2026-07-22 10:23:56
5.159.176.0/23 6,185 2026-07-22 10:23:56
5.159.128.0/21 6,179 2026-07-22 10:23:56
5.159.144.0/21 6,158 2026-07-22 10:23:56
83.213.184.0/22 6,077 2026-07-22 10:19:10
62.99.0.0/17 6,054 2026-07-22 10:19:10
37.218.0.0/17 6,045 2026-07-22 10:19:10
85.85.0.0/16 6,024 2026-07-22 10:19:10
212.55.0.0/19 6,023 2026-07-22 10:19:10
85.86.0.0/16 6,007 2026-07-22 10:19:10
85.85.144.0/21 5,999 2026-07-22 10:19:10
185.136.88.0/22 5,998 2026-07-22 10:19:02
185.209.60.0/22 5,988 2026-07-22 10:19:02
185.116.180.0/22 5,987 2026-07-22 10:19:10
85.84.0.0/16 5,985 2026-07-22 10:19:10
212.8.64.0/18 5,982 2026-07-22 10:19:10
81.9.128.0/17 5,981 2026-07-22 10:19:10
46.231.0.0/21 5,973 2026-07-22 10:19:02
85.87.26.0/24 5,970 2026-07-22 10:23:56
83.213.0.0/16 5,966 2026-07-22 10:19:10
85.87.24.0/24 5,965 2026-07-22 10:23:56
85.87.25.0/24 5,960 2026-07-22 10:23:56
85.87.0.0/16 5,950 2026-07-22 10:19:10
91.116.0.0/18 5,948 2026-07-22 10:19:10
82.130.128.0/17 5,942 2026-07-22 10:19:10
85.87.27.0/24 5,933 2026-07-22 10:23:56
5.159.168.0/21 5,923 2026-07-22 10:14:19
178.60.117.0/24 5,919 2026-07-22 10:23:56
188.93.72.0/21 5,915 2026-07-22 10:19:02
212.142.128.0/17 5,901 2026-07-22 10:19:10
178.60.64.0/18 5,900 2026-07-22 10:19:10
178.60.116.0/24 5,882 2026-07-22 10:23:56
81.9.202.0/23 5,874 2026-07-22 10:23:56
178.60.122.0/23 5,868 2026-07-22 10:23:56
81.9.216.0/23 5,858 2026-07-22 10:23:56
81.9.220.0/22 5,856 2026-07-22 10:23:56
178.60.104.0/22 5,836 2026-07-22 10:23:56
81.9.204.0/22 5,821 2026-07-22 10:23:56
81.9.248.0/21 5,808 2026-07-22 10:23:56

Showing top 50 of 143 announced prefixes by sample volume.

Frequently Asked Questions

What is AS12338?

AS12338 is an Autonomous System Number assigned to Euskaltel S.A.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS12338 announce?

AS12338 announces 507.9K IPv4 addresses distributed across 55 routed CIDR prefixes. The network is registered in Spain.

Who operates AS12338?

AS12338 is operated by Euskaltel S.A.. The organization is based in Spain. You can view all IP ranges and related ASNs on the organization page.

What country is AS12338 registered in?

AS12338 is registered in Spain. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-22 10:25:31 UTC
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