AS1880 — STUPI

AS1880 announces 13 IPv4 prefixes covering 4,864 addresses and 1 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
• 192.108.196.0/22
• 192.108.200.0/24
• 192.108.202.0/23
• 192.108.204.0/23
• 192.108.206.0/24
• 192.108.208.0/23
• 192.108.211.0/24
• 192.108.213.0/24
• 192.108.214.0/24
• 204.29.132.0/24
• 2001:440:1880::/48

Upstream networks

• AS1653 Vetenskapsradet / SUNET
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS50304 Blix Solutions AS
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS35280 F5 Networks SARL
• AS20764 CJSC RASCOM
• AS12552 GlobalConnect AB
• AS33891 Core-Backbone GmbH
• AS20473 The Constant Company, LLC

Downstream networks

• AS1878 STUPI LLC
• AS1881 FMV
• AS1883 STUPI LLC

Adjacent networks

• AS1653 Vetenskapsradet / SUNET
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS1878 STUPI LLC
• AS1881 FMV
• AS1883 STUPI LLC
• AS50304 Blix Solutions AS
• AS24482 SG.GS
• AS20764 CJSC RASCOM
• AS57463 NetIX Communications JSC
• AS35280 F5 Networks SARL
• AS12552 GlobalConnect AB
• AS33891 Core-Backbone GmbH
• AS20473 The Constant Company, LLC

Internet exchanges

• Netnod Stockholm — Stockholm, Sweden