AS47863 — SDSK Stichting Digitale Snelweg Kennemerland

AS47863 announces 2 IPv4 prefixes covering 3,072 addresses and 0 IPv6 prefixes.

About this network

SDSK is operated by Stichting Digitale Snelweg Kennemerland.

What it's used for

• The address space carries corporate and institutional traffic, with netnames NL-SDSK-20080526 and SPAARNENET01 indicating internal network segments and a hospital connection.
• The AS announces 3072 IPv4 addresses across 4 prefixes and maintains 3 observed neighbours, a ratio consistent with a small-scale business or regional network rather than a transit provider.
• Traffic from this AS consists of office workers and institutional endpoints for the Kennemerland region, including connections for Spaarne Gasthuis.

Notable

• Registrants for the 93.191.0.0/22, 93.191.4.0/23, and 93.191.6.0/23 prefixes list iunxi NOC and Stichting Digitale Snelweg Kennemerland, while the 145.63.0.0/22 prefix is registered to Stichting Spaarne Gasthuis.
• The address inventory is finely subdivided into four distinct prefixes, reflecting site-by-site segmentation for a regional digital infrastructure initiative.

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

Announced prefixes

• 93.191.0.0/21
• 145.63.0.0/22

Upstream networks

• AS34968 iunxi B.V.
• AS13335 Cloudflare, Inc.
• AS28878 Signet B.V.

Adjacent networks

• AS34968 iunxi B.V.
• AS13335 Cloudflare, Inc.
• AS28878 Signet B.V.

Routing security

• RPKI: 2 valid, 0 invalid and 1 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 2 route objects.
• Listed in as-sets: AS-31576-PEERS, AS-IUNXI, AS-SIGNET, AS-TELSTRA-INTL-CUSTOMERS, AS13335:AS-CUSTOMERS.