AS1880 — STUPI STUPI LLC

AS1880 announces 13 IPv4 prefixes covering 4,864 addresses and 0 IPv6 prefixes.

About this network

STUPI is Svensk Teleutveckling & Produktinnovation, STUPI AB, a long-running Swedish telecom and network engineering company.

What it's used for

• Operating STUPI's own IP network and related work in optical and carrier networking and in time/frequency metrology.

Notable

• A privately run engineering-company network rather than a mass-market ISP or commercial host.
• STUPI holds a cluster of low RIPE AS numbers (AS1878, AS1882, AS1883), reflecting long participation in the Swedish internet.

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

Announced prefixes

• 192.36.143.0/24
• 192.36.147.0/24
• 192.108.195.0/24
• 192.108.196.0/24
• 192.108.198.0/23
• 192.108.200.0/24
• 192.108.202.0/23
• 192.108.204.0/23
• 192.108.206.0/24
• 192.108.208.0/22
• 192.108.213.0/24
• 192.108.214.0/24
• 204.29.132.0/24

Upstream networks

• AS1653 Vetenskapsradet / SUNET

Downstream networks

• AS1878 STUPI LLC
• AS1881 FMV
• AS1883 STUPI LLC

Adjacent networks

• AS1653 Vetenskapsradet / SUNET
• AS1878 STUPI LLC
• AS1881 FMV
• AS1883 STUPI LLC

Routing security

• RPKI: 0 valid, 0 invalid and 20 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 70% of announcements registered; 24 route objects.
• Listed in as-sets: AS-NAO-PEERS, AS-STUPI, AS3303:AS-SWCMPEERS, AS39870:AS-NETNOD-SERVICES.