AS52170 — HELEN-AS

AS52170 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

HELEN-AS is operated by Helen Oy, a major Finnish energy company.

What it's used for

• The address space is registered under the netname HELEN-NET with registrant HELEN DBM; Helen Oy, indicating internal corporate infrastructure.
• The AS announces a single IPv4 prefix, 91.224.4.0/23, comprising 512 addresses, with 0 IPv6 prefixes.
• With only 2 observed neighbours, the network functions as an internal corporate estate for the utility's operations rather than a transit or access provider.
• Traffic from this AS consists of office workers, web/API endpoints, and internal systems supporting Helen's electricity, district heating, and cooling services in Helsinki.

Notable

• The registrant HELEN DBM; Helen Oy aligns directly with the AS holder Helen Oy.
• Helen Oy was formerly known as Helsingin Energia (Finnish) and Helsingfors Energi (Swedish).
• The inventory consists of a single contiguous /23 block, typical of a corporate network segment.

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

Announced prefixes

• 91.224.4.0/23

Upstream networks

• AS719 Elisa Oyj
• AS16086 DNA Oyj

Adjacent networks

• AS719 Elisa Oyj
• AS16086 DNA Oyj

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-ELISAFI, AS-TSF-GLOBAL, AS16086:AS-CUST-FI.