AS31709 — ASCOMPARE

AS31709 announces 3 IPv4 prefixes covering 1,536 addresses and 0 IPv6 prefixes.

About this network

ASCOMPARE is operated by Cortex Consult A/S, a Danish IT services provider.

What it's used for

• The address space carries corporate IT infrastructure, evidenced by netnames COMPAREIT and JAYNET-DK-GLOSTRUP-COMPARE associated with the registrant.
• The AS announces 1536 IPv4 addresses across 3 prefixes with only 1 observed neighbour, indicating a small, self-contained business network rather than a transit or access provider.

Notable

• Registrants for the largest prefixes include Compare IT Service and Cortex Consult A/S, showing alignment between the historical netname owner and the current AS holder.
• Advania, a Swedish IT group, acquired Cortex Consult A/S to expand its managed services offering in Denmark.
• The inventory consists of three distinct IPv4 blocks, including a /22 and two /24s, with no IPv6 prefixes announced.

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

Announced prefixes

• 91.199.121.0/24
• 193.28.149.0/24
• 195.225.88.0/22

Upstream networks

• AS3292 TDC Holding A/S

Adjacent networks

• AS3292 TDC Holding A/S

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-TDCNETDK, AS-WEBPARTNER, AS174:AS-COGC-035.