AS203920 — MMBROWNPL-AS MM Brown Polska Sp. z o.o.

AS203920 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle MMBROWNPL-AS is held by MM Brown Polska Sp. z o.o.

What it's used for

• The space carries corporate infrastructure, evidenced by the netname MM-BROWN-POLSKA-SP-Z-O-O-PL and the registrant MM Brown Polska Sp. z o.o.
• The network announces 256 IPv4 addresses across 1 prefix with 2 observed neighbours, indicating a small-scale internal corporate estate rather than a transit or access provider
• Traffic from this AS consists of office workers and internal business systems for a B2B supplier of cocoa and chocolate products based in Poznan

Notable

• The RDAP registrant MM Brown Polska Sp. z o.o. matches the AS holder, confirming consistent ownership
• The address inventory consists of a single /24 block (157.25.140.0/24), typical for a small business requiring a dedicated public IP range

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

Announced prefixes

• 157.25.140.0/24

Upstream networks

• AS20552 Horyzont Technologie Internetowe sp.z.o.o.
• AS12912 T-Mobile Polska S.A.

Adjacent networks

• AS20552 Horyzont Technologie Internetowe sp.z.o.o.
• AS12912 T-Mobile Polska S.A.

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-HTI-CUSTOMERS, AS-HTI2LEVEL3, AS-HTI2RETN, AS-HTI2VIRTUAOPERATOR, AS-IPARTNERS, AS-RETN-ACTUAL-V4, AS5617:AS-PL, AS8246:AS-TPNET.