AS42039 — STTB-AS Stowarzyszenie "Telewizja Teofilow B"

AS42039 announces 3 IPv4 prefixes covering 3,328 addresses and 0 IPv6 prefixes.

About this network

The AS handle STTB-AS is held by Stowarzyszenie "Telewizja Teofilow B".

What it's used for

• The address space carries infrastructure for a Polish cultural association, with reverse DNS entries consistently using the sttb.pl domain (e.g., host-91.90.58.0.sttb.pl).
• The network announces 3328 IPv4 addresses across 3 prefixes and maintains 7 observed neighbours, a ratio consistent with a small-scale access or internal corporate estate rather than a transit provider.
• Traffic from this AS consists of web endpoints and administrative infrastructure for the association, which operates as a membership organization providing access to cultural events such as cinemas and theaters.

Notable

• All registrants for the announced prefixes agree with the announcer, listing Stowarzyszenie "Telewizja Teofilow B" as the holder with the netname STTB.
• The address inventory is composed of three distinct IPv4 blocks: 91.90.56.0/21, 91.225.184.0/22, and 194.36.168.0/24, all located in Poland.

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

Announced prefixes

• 91.90.56.0/21
• 91.225.184.0/22
• 194.36.168.0/24

Upstream networks

• AS12741 Netia SA
• AS6939 Hurricane Electric LLC
• AS24115 Equinix
• AS24482 SG.GS

Adjacent networks

• AS12741 Netia SA
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS24115 Equinix

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-NETIA, AS-NETIA-MSK-IX, AS-NETIA-PEERING, AS-PLIX, AS5617:AS-PL.

Internet exchanges

• Equinix Internet Exchange Warsaw — Warsaw, Poland