AS21111 — CISG Ministerstwo Rozwoju i Technologii

AS21111 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

The AS handle CISG Centrum Informacji Spoleczno-Gospodarczej is held by Ministerstwo Rozwoju i Technologii.

What it's used for

• The address space carries government infrastructure, evidenced by the netname MRiT and registrant Ministerstwo Rozwoju i Technologii.
• The AS announces 65536 IPv4 addresses within a single /16 prefix (158.66.0.0/16) and maintains 2 observed neighbours, indicating a small, self-contained government network rather than a transit or access provider.

Notable

• The registrant Ministerstwo Rozwoju i Technologii aligns directly with the announced prefix, confirming the space is owned and operated by the Polish Ministry of Development and Technology.
• The address inventory consists of a single contiguous /16 block, typical for a large national government entity managing its own internal network resources.

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

Announced prefixes

• 158.66.0.0/16

Upstream networks

• AS20804 Exatel S.A.
• AS50606 Horyzont Technologie Internetowe sp.z.o.o.

Adjacent networks

• AS20804 Exatel S.A.
• AS50606 Horyzont Technologie Internetowe sp.z.o.o.

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 8 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 8 route objects.
• Listed in as-sets: AS-EXATEL-INT, AS-IPARTNERS, AS-RETN-ACTUAL-V4, AS-VIRTUAOPERATOR, AS24748:AS-CUSTOMERS:AS8798, AS5617:AS-PL, AS8246:AS-TPNET, AS8308:AS-CUST-TRANSIT, AS8308:AS-CUSTOMERS:AS21111.