AS29481 — JCYL-AS c Rigoberto Cortejoso, 14

AS29481 announces 2 IPv4 prefixes covering 2,560 addresses and 0 IPv6 prefixes.

About this network

JCYL-AS is operated by Junta de Castilla y León, the regional government of Castile and León in Spain.

What it's used for

• The address space carries regional government and educational infrastructure, evidenced by netnames ES-JCYL-20030806 and JCYL-STANDALONE-EDU.
• The AS announces 2560 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or large access provider.

Notable

• Registrants for both prefixes are listed as JCyL Network Management; Junta de Castilla y Leon, consistent with the AS holder.
• The inventory consists of two contiguous IPv4 blocks: 217.71.16.0/21 and 217.71.24.0/23, with no IPv6 prefixes announced.

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

Announced prefixes

• 217.71.16.0/21
• 217.71.24.0/23

Upstream networks

• AS44593 Fundacion Centro de Supercomputacion de Castilla y Leon
• AS12357 VODAFONE ESPANA S.A.U.

Adjacent networks

• AS44593 Fundacion Centro de Supercomputacion de Castilla y Leon
• AS12357 VODAFONE ESPANA S.A.U.