AS50757 — NUUDAY-IP-CORE

AS50757 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

The AS handle NUUDAY-IP-CORE is held by Nuuday, the Danish telecommunications group formerly known as TDC.

What it's used for

• The address space carries corporate and cloud infrastructure, evidenced by the netname TDC-Erhverv-Cloud-Infrastructure and registrants referencing TDC Brands A/S and Nuuday Admin.
• The AS announces 768 IPv4 addresses across 3 prefixes with only 1 observed neighbour, a ratio indicating an access or internal corporate network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs and business cloud endpoints for brands including YouSee, TDC Erhverv, Telmore, Hiper, eesy, and Relatel.

Notable

• Registrants consistently identify the holder as Nuuday or TDC Brands A/S, aligning with the AS announcer.
• Nuuday is the rebranded name for TDC, Denmark's largest telecommunications company, which operates multiple consumer and business brands under one corporate umbrella.
• The inventory consists of three /24 prefixes, all located in Denmark, with no IPv6 prefixes announced.

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

Announced prefixes

• 2.110.21.0/24
• 185.90.52.0/24
• 212.70.2.0/24

Upstream networks

• AS3292 TDC Holding A/S

Adjacent networks

• AS3292 TDC Holding A/S

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-ASTRAL, AS-DIRECTONE.