AS52203 — MLAB-AS "MEDIA-LAB" SERGIUSZ ROZANSKI, JACEK KORZEWSKI

AS52203 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle MLAB-AS is held by MEDIA-LAB, a Polish entity associated with individuals Sergiusz Rozanski and Jacek Korzewski.

What it's used for

• The address space is registered under the netname MLAB-Kalisz, indicating a specific site or regional presence in Kalisz, Poland.
• The network announces a single IPv4 prefix, 194.247.41.0/24, comprising 256 addresses, with 0 IPv6 prefixes.
• With only 3 observed routing neighbours, the low neighbour count relative to the address block suggests a small, self-contained network rather than a transit provider or large access network.

Notable

• The RDAP registrant for the announced prefix matches the AS holder, listing "MEDIA-LAB" SERGIUSZ ROZANSKI, JACEK KORZEWSKI.
• The inventory consists of a single /24 block, representing a compact and simple address allocation.

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

Announced prefixes

• 194.247.41.0/24

Upstream networks

• AS199978 Robert Jerzy Opielinski trading as NETCOM COMPUTERS
• AS13110 INEA sp. z o.o.
• AS21021 Multimedia Polska Sp. z o.o.

Adjacent networks

• AS199978 Robert Jerzy Opielinski trading as NETCOM COMPUTERS
• AS13110 INEA sp. z o.o.
• AS21021 Multimedia Polska Sp. z o.o.

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-HURRICANE, AS-ICPNET, AS-MULTIMEDIA, AS-NET-COM, AS-NETCOM-COM, AS-NETCOM-PL, AS-WINET-PL, AS21021:AS-MULTIMEDIA-D-CIX, AS21021:AS-MULTIMEDIA-LEVEL3, AS21021:AS-MULTIMEDIA-TPSA-WA-WA, AS5617:AS-PL.