AS6873 — LIBRUM-AS

Network type: hosting

AS6873 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

LIBRUM-AS is operated by Librum Sp. z o.o., trading as Librum IT, an IT services and application-hosting company based in Jelenia Góra in south-western Poland, active since 2004.

What it's used for

• Application hosting and IT outsourcing for small and medium-sized businesses, run from the company's own datacentre.
• Hosting for B2B commerce platforms and online retail systems built on the company's software.

Notable

• All three announced /24s carry reverse DNS under librumit.pl, confirming the address space is used for the company's own hosting platform rather than handed out to a separate operator.
• The prefixes come from a mix of RIPE blocks and are maintained alongside Polish carrier maintainers, which is typical of a small hosting provider that took addresses with it across upstream changes.

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

Announced prefixes

• 89.174.75.0/24
• 155.133.29.0/24
• 193.104.156.0/24

Upstream networks

• AS12741 Netia SA
• AS198709 Jacek Jarosz trading as Info Serwis
• AS5617 Orange Polska Spolka Akcyjna
• AS12912 T-Mobile Polska S.A.

Adjacent networks

• AS12741 Netia SA
• AS198709 Jacek Jarosz trading as Info Serwis
• AS5617 Orange Polska Spolka Akcyjna
• AS12912 T-Mobile Polska S.A.