AS39052 — SKANSKANET-AS

AS39052 announces 3 IPv4 prefixes covering 57,344 addresses and 0 IPv6 prefixes.

About this network

SKANSKANET-AS is operated by Skanska Sverige AB.

What it's used for

• The address space carries internal corporate infrastructure, identified by netnames SE-SKANSKA-NET2, SE-SKANSKA-NET3, and SE-SKANSKA-NET4 registered to Skanska Sverige AB.
• The AS announces 57,344 IPv4 addresses across 3 prefixes 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 office workers and internal systems for one of Sweden's largest construction and development companies.

Notable

• All registrants align with the announcer, listing Skanska Sverige AB and Skanska Abuse for all three prefixes.
• The inventory consists of three contiguous IPv4 blocks within the 144.57.0.0/16 range, reflecting a finely subdivided corporate estate for site-by-site segmentation.

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

Announced prefixes

• 144.57.0.0/19
• 144.57.64.0/18
• 144.57.128.0/17

Upstream networks

• AS174 Cogent Communications, LLC
• AS8434 Telenor Sverige AB

Adjacent networks

• AS174 Cogent Communications, LLC
• AS8434 Telenor Sverige AB

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-TELENORSE-CUST, AS8434:AS-TELENOR:AS-CUST.