AS58343 — CORE-TELECOMPUTING-SE Advania Sverige AB

AS58343 announces 5 IPv4 prefixes covering 1,280 addresses and 1 IPv6 prefixes.

About this network

CORE-TELECOMPUTING-SE is held by Advania Sverige AB.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname MEKONOMEN-PI-NET associated with registrant Mekonomen AB.
• The AS announces 256 IPv4 addresses across 1 prefix and 1 IPv6 prefix, with only 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.
• Traffic from this AS consists of internal corporate endpoints and services for Advania Sverige AB, a major IT service provider in Northern Europe.

Notable

• The registrant Mekonomen AB differs from the AS holder Advania Sverige AB, reflecting the historical acquisition of Mekonomen by Advania.
• The inventory consists of a single /24 IPv4 block and a /32 IPv6 block, representing a compact corporate estate.

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

Announced prefixes

• 89.255.243.0/24
• 89.255.245.0/24
• 91.218.205.0/24
• 185.29.115.0/24
• 193.105.113.0/24
• 2a02:24a0::/32

Upstream networks

• AS57208 Advania Sverige AB
• AS1257 Tele2 Sverige AB
• AS41216 Advania Sverige AB

Downstream networks

• AS57208 Advania Sverige AB

Adjacent networks

• AS57208 Advania Sverige AB
• AS1257 Tele2 Sverige AB
• AS41216 Advania Sverige AB

Routing security

• RPKI: 1 valid, 0 invalid and 21 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 32% of announcements registered; 8 route objects.
• Listed in as-sets: AS-STERIANET, AS-TELE2-SE, AS-TELECOMPUTING, AS8434:AS-TELENOR:AS-CUST.