AS59908 — ISLALINK BalaLink S.A.

AS59908 announces 3 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

ISLALINK is operated by BalaLink S.A., a Spanish telecommunications company.

What it's used for

• The address space carries infrastructure for submarine cable connectivity, with netnames ES-ISLALINK-20140815 and ES-ISLALINK-20110704 registered to BalaLink S.A.
• The AS announces 1024 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, while maintaining 28 observed neighbours, indicating a role focused on interconnection and transit rather than large-scale residential access.
• Traffic from this AS consists of data routed through the BalaLink submarine cable system, which links the Spanish mainland (Valencia) to the Balearic Islands (Mallorca and Ibiza).

Notable

• All registrants for the announced prefixes are BalaLink S.A., matching the AS holder.
• BalaLink S.A. operates the BalaLink submarine cable, the first independent submarine cable built in Spain, connecting Valencia to Palma de Mallorca.
• The inventory includes a /32 IPv6 prefix (2a03:2460::/32) alongside the IPv4 blocks.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 141.170.214.0/24
• 185.67.112.0/24
• 185.67.114.0/23
• 2a03:2460::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS8220 COLT Technology Services Group Limited
• AS33891 Core-Backbone GmbH
• AS8218 Zayo Infrastructure France SA
• AS3303 Swisscom (Schweiz) AG
• AS37721 Virtual Technologies & Solutions
• AS29632 Netassist International EOOD

Downstream networks

• AS57910 Soluciones Corporativas IP, SL
• AS200064 Red digital de telecomunicaciones de las Islas Baleares S.L
• AS201735 PROPHASE ELECTRONICS, S.L.
• AS201704 VALL DE SOLLER TELECOMUNICACIONS SLU
• AS209835 Despliegue de Redes de Telecomunicaciones S.L.
• AS215298 ENTE PUBLICO DE RADIOTELEVISION DE LES ILLES BALEARS

Adjacent networks

• AS57910 Soluciones Corporativas IP, SL
• AS1299 Arelion Sweden AB
• AS8220 COLT Technology Services Group Limited
• AS200064 Red digital de telecomunicaciones de las Islas Baleares S.L
• AS201735 PROPHASE ELECTRONICS, S.L.
• AS6939 Hurricane Electric LLC
• AS201704 VALL DE SOLLER TELECOMUNICACIONS SLU
• AS209835 Despliegue de Redes de Telecomunicaciones S.L.
• AS215298 ENTE PUBLICO DE RADIOTELEVISION DE LES ILLES BALEARS
• AS3303 Swisscom (Schweiz) AG
• AS37721 Virtual Technologies & Solutions
• AS8218 Zayo Infrastructure France SA
• AS33891 Core-Backbone GmbH
• AS29632 Netassist International EOOD
• AS13030 Init7 (Switzerland) Ltd.

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 40% of announcements registered; 9 route objects.
• Listed in as-sets: AS-AVANZAFIBRA, AS-HURRICANEV6, AS-ISLALINK, AS-NIXVAL-IXP, AS200064:AS-CDN.

Internet exchanges

• AMS-IX Amsterdam — Amsterdam, Netherlands
• ESpanix Madrid Lower LAN — Madrid, Spain