asn.dev

Autonomous system

AS39052 SKANSKANET-AS

Unclassified APNIC

IPv4 addresses 57.34K 3 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly SE
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Skanska Sverige AB

Sweden · AI-generated

construction corporate swedish internal

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. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS174Cogent Communications, LLC102
AS8434Telenor Sverige AB72

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 3 prefixes · 57.34K addresses IPv6 0 prefixes

CountryNamePrefixes
SESweden3

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS39052
Registry name
SKANSKANET-AS
Registrant
Skanska Sverige AB
Abuse contact
abuse@skanska.net
Registered
2005-12-05
Last changed
2023-08-29
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 3 valid, 0 with no ROA
ROAs
3 authorising AS39052
ASPA
no ASPA record
IRR
100% registered · 3 of 3 announcements
Route objects
3 naming AS39052

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,771 prefixes, as published 2026-10-15. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check