AS51164 — KNOWIT-FI Knowit Solutions Oy

AS51164 announces 11 IPv4 prefixes covering 68,608 addresses and 2 IPv6 prefixes.

About this network

KNOWIT-FI is operated by Knowit Solutions Oy, a Finnish IT services and software development company.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames HSOY and FI-PLENWARE-20100601 associated with the registrant Knowit Solutions Oy.
• The AS announces 68,608 IPv4 addresses across 11 prefixes and 2 IPv6 prefixes, while maintaining only 4 observed neighbours, indicating an internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of office workers, internal development environments, and web/API endpoints supporting Knowit's business operations and client projects.

Notable

• Registrants for the majority of prefixes are listed as unknown with netname HSOY, while specific blocks like 178.217.128.0/21 and 185.93.48.0/22 explicitly list Knowit Solutions Oy as the registrant.
• The inventory includes a single /24 prefix 192.26.111.0/24 with netname TTEK-NET and registrant Tampere University Foundation, which is distinct from the primary Knowit holdings.
• The address inventory is dominated by contiguous blocks within the 157.94.0.0/16 range, subdivided into various prefix lengths from /17 down to /24.

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

Announced prefixes

• 157.94.0.0/20
• 157.94.17.0/24
• 157.94.18.0/23
• 157.94.20.0/22
• 157.94.24.0/21
• 157.94.32.0/19
• 157.94.64.0/18
• 157.94.128.0/17
• 178.217.128.0/21
• 185.93.48.0/22
• 192.26.111.0/24
• 2001:67c:224::/48
• 2a0b:8880::/29

Upstream networks

• AS1759 Telia Finland Oyj
• AS42708 Glesys Sweden AB

Downstream networks

• AS20574 Knowit Connectivity AB
• AS210167 Valmet Automation Oy

Adjacent networks

• AS1759 Telia Finland Oyj
• AS42708 Glesys Sweden AB
• AS20574 Knowit Connectivity AB
• AS210167 Valmet Automation Oy

Routing security

• RPKI: 4 valid, 0 invalid and 2 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-ACADEMICAFI, AS-CYBERCOM, AS-PORTLANE.

Internet exchanges

• Tampere Region Exchange — Tampere, Finland