AS41453 — TRESTEL-CZ-ASN

AS41453 announces 2 IPv4 prefixes covering 5,120 addresses and 2 IPv6 prefixes.

About this network

TRESTEL-CZ-ASN is operated by SITEL spol. s r.o.

What it's used for

• The address space carries corporate and network infrastructure, evidenced by reverse DNS entries wlc2-j16-12.sinus.cz and ip254.sitel.cz, and netnames CZ-SITEL-20060823 and CZ-SITEL-20160809.
• The AS announces 5120 IPv4 addresses across 2 prefixes and 2 IPv6 prefixes, with only 2 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or large-scale access network.
• Traffic from this AS consists of internal corporate systems, network operations center (NOC) infrastructure, and ICT service endpoints for SITEL's telecommunications and integration business.

Notable

• Registrants for both announced prefixes are SITEL spol. s r.o., matching the AS holder.
• SITEL is a Czech telecommunications and ICT services company founded in 1991, providing network construction, operation, and maintenance services.
• The inventory consists of two distinct IPv4 blocks and two IPv6 prefixes, reflecting a segmented internal corporate address space.

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

Announced prefixes

• 89.250.240.0/20
• 185.162.200.0/22
• 2a02:c20::/32
• 2a0b::/29

Upstream networks

• AS35236 UVT Internet s.r.o.

Downstream networks

• AS208648 Playground HUB s.r.o.

Adjacent networks

• AS35236 UVT Internet s.r.o.
• AS208648 Playground HUB s.r.o.