(updated: January 18th 2004)
The declared Constituency of PIONIER CERT (former: POL34-CERT) contains those systems connected to PIONIER (POL34/622). It refers to the following Internet domains and/or IP address ranges:
| AS13293, AS8501 | POL-34/155 National Network |
| AS8286 | Academic Metropolitan Area Network, Szczecin |
| AS8267, AS8323 | CYFRONET AGH, Academic Computer Centre Cracow |
| AS12324, AS12346 | LUBMAN, Lublin |
| AS8256 | Metropolitan Area Network LODMAN |
| AS8865 | Metropolitan Area Network, Bialystok |
| AS12423 | Nicholas Copernicus Univeristy, Torun |
| AS15798 | OLMAN Metropolitan Area Network |
| AS15373 | Politechnika Czestochowska |
| AS9112, AS8364 | Poznan Supercomputing And Networking Center, POZMAN |
| AS8508, AS15744 | Silesian Regional Computer Network |
| AS5550, AS12831 | TASK, PL-GDANSK |
| AS9103, AS13065 | Technical University of Zielona Gora |
| AS8326, AS12618 | University of Technology and Agriculture in Bydgoszcz |
| AS8970, AS15851 | WASK - Wroclawska Akademicka Siec Komputerowa |