AS38949 — TRESTEL-SK Trestel SK, a.s.

AS38949 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

The AS handle TRESTEL- is held by Trestel SK, a.s.

What it's used for

• The address space carries telecommunications services, server housing, and FLM (fiber, leased lines, microwave) infrastructure, with netnames including SK-TRESTEL-20050729 and SK-TRESTEL-SHcustomers2.
• The network announces 4096 IPv4 addresses and 1 IPv6 prefix, maintaining 33 observed neighbours; this ratio of moderate address space to high peering count indicates a regional access and business ISP role.
• Traffic from this AS consists of subscriber eyeballs, corporate office workers, and web/API endpoints for customers utilizing Trestel's optical internet and data center services.

Notable

• Registrants largely agree with the announcer, with most prefixes registered to Trestel SK, a.s., though one prefix is registered to PROGRES - Telekomunikacne stavby, s.r.o.
• The address inventory is finely subdivided into five IPv4 prefixes within the 80.94.48.0/22 range, reflecting site-by-site segmentation for a corporate and customer estate.

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

Announced prefixes

• 80.94.48.0/20
• 2a02:c80::/32

Upstream networks

• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS3303 Swisscom (Schweiz) AG

Downstream networks

• AS34820 DELTA ONLINE spol. s r.o.
• AS204384 LLC "OTT UKRAINE"
• AS61335 PE Denis Podolskii
• AS206804 Realcloud OU
• AS29531 VM Telecom, s.r.o.
• AS60585 SITEL-VSAT sro
• AS48473 Towercom a.s.
• AS199330 CentralNic Ltd
• AS60890 CentralNic Ltd

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS34820 DELTA ONLINE spol. s r.o.
• AS174 Cogent Communications, LLC
• AS204384 LLC "OTT UKRAINE"
• AS61335 PE Denis Podolskii
• AS206804 Realcloud OU
• AS29531 VM Telecom, s.r.o.
• AS60585 SITEL-VSAT sro
• AS48473 Towercom a.s.
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS3303 Swisscom (Schweiz) AG
• AS33891 Core-Backbone GmbH
• AS199330 CentralNic Ltd
• AS31230 Slovak University of Technology in Bratislava
• AS60890 CentralNic Ltd

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 75% of announcements registered; 5 route objects.
• Listed in as-sets: AS-43413_NT-NIX, AS-EMAXSIXPEERS, AS-ENERGOTEL_SIX_PEERS, AS-HURRICANE, AS-HURRICANEV6, AS-SITELVSAT, AS-SIXSK-MEMBERS, AS-SIXSTIP-SET, AS-TO2-NIX-PEER, AS-TRESTEL-SK, AS24971:AS-MAI-NIX-PEER, AS42000:AS-NIXCZ-PEERINGS, AS42000:AS-SIXSK-PEERINGS, AS5578:AS-SIXPEERS, AS8251:AS-NIX-PEERINGS.

Internet exchanges

• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic
• Slovak Internet eXchange Bratislava — Bratislava, Slovakia