AS198737 — TS-YHTYMA TS-Yhtyma Oy

AS198737 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

TS-YHTYMA is held by TS-Yhtyma Oy.

What it's used for

• The address space carries legacy infrastructure, evidenced by netnames FI-SONERA-19910731 and TURUN-SANOMAT-8.
• The AS announces 768 IPv4 addresses across 2 prefixes with 1 observed neighbour, indicating a small, self-contained internal network rather than a transit or large access provider.
• Traffic from this AS consists of corporate endpoints for a Finnish communications and publishing group, supporting its editorial, printing, and telecommunications operations.

Notable

• Registrants for the announced prefixes are listed as Telia Finland Oyj and Registry Telia Finland, which aligns with the historical ownership of the space prior to the current holder's acquisition or lease.
• The address inventory is small and fragmented, consisting of two distinct IPv4 blocks with no IPv6 prefixes in the inventory.

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

Announced prefixes

• 192.103.102.0/23
• 192.103.104.0/24

Upstream networks

• AS1759 Telia Finland Oyj

Adjacent networks

• AS1759 Telia Finland Oyj

Routing security

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