AS25084 — CZESTMAN-COM-AS Non-academic AS dedicated to Metropolitan Area Network

AS25084 announces 2 IPv4 prefixes covering 1,536 addresses and 1 IPv6 prefixes.

About this network

The AS handle CZESTMAN-COM-AS is held by Politechnika Czestochowska.

What it's used for

• The address space carries the network infrastructure for the Czestochowa University of Technology, as indicated by the registrant "CzestMAN Operations; Politechnika Czestochowska" and the netname PL-CZESTMAN-20000519.
• The AS announces 1536 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining 20 observed neighbours. This ratio of address space to peering partners suggests a network with significant internal connectivity or transit requirements for its academic and research activities.

Notable

• The registrants for both announced IPv4 prefixes are consistent with the AS holder, listing "CzestMAN Operations; Politechnika Czestochowska".
• The address inventory consists of two IPv4 blocks (212.87.244.0/22 and 212.87.240.0/23) and a single IPv6 /32 prefix (2a01:699::/32), reflecting a standard allocation for an institutional network.

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

Announced prefixes

• 212.87.240.0/23
• 212.87.244.0/22
• 2a01:699::/32

Upstream networks

• AS13293 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS196844 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS6939 Hurricane Electric LLC
• AS5617 Orange Polska Spolka Akcyjna
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS201054 Stowarzyszenie e-Poludnie

Downstream networks

• AS15373 Politechnika Czestochowska
• AS202667 Klasztor OO Paulinow Jasna Gora
• AS44454 Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca"
• AS41056 APUS Piotr Sejfried
• AS200272 x-kom sp. z o.o.
• AS209860 My Net Michal Bronczkowski
• AS206241 STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO
• AS196730 TELSAT.TV Sp. z o.o.

Adjacent networks

• AS196844 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS13293 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS15373 Politechnika Czestochowska
• AS6939 Hurricane Electric LLC
• AS202667 Klasztor OO Paulinow Jasna Gora
• AS44454 Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca"
• AS209860 My Net Michal Bronczkowski
• AS41056 APUS Piotr Sejfried
• AS200272 x-kom sp. z o.o.
• AS5617 Orange Polska Spolka Akcyjna
• AS206241 STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS196730 TELSAT.TV Sp. z o.o.
• AS201054 Stowarzyszenie e-Poludnie

Internet exchanges

• TPIX - Internet Exchange — Warsaw, Poland
• Thinx IX — Warsaw, Poland