Downstream networks
AS8501 PIONIER-AS Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
Education ARIN Educational/Research
Transit
Downstream networks
Networks for which AS8501 was observed as the last hop before the origin, meaning it appears to provide them transit.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS8508 | Silesian University of Technology, Computer Centre | Education | IPv4 IPv6 | 801 |
| AS15798 | University of Warmia and Mazury in Olsztyn, Poland | Unclassified | IPv4 IPv6 | 521 |
| AS25468 | Rzeszow University of Technology | Unclassified | IPv4 IPv6 | 475 |
| AS8865 | Politechnika Bialostocka | Education | IPv4 | 440 |
| AS15373 | Politechnika Czestochowska | Unclassified | IPv4 IPv6 | 394 |
| AS12324 | Maria Curie-Sklodowska University | Unclassified | IPv4 IPv6 | 392 |
| AS8267 | Academic Computer Centre CYFRONET AGH | Education | IPv4 IPv6 | 354 |
| AS8256 | Lodz University of Technology | Education | IPv4 IPv6 | 351 |
| AS8664 | University of Warsaw | Education | IPv4 IPv6 | 321 |
| AS24848 | Kielce University of Technology | Unclassified | IPv4 IPv6 | 292 |
| AS21182 | Opole University | Unclassified | IPv4 IPv6 | 283 |
| AS8286 | Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki | Education | IPv4 IPv6 | 271 |
| AS8326 | Politechnika Bydgoska im. Jana i Jedrzeja Sniadeckich | Education | IPv4 | 255 |
| AS28678 | Technical University of Koszalin | Unclassified | IPv4 IPv6 | 224 |
| AS50561 | Akademia Nauk Stosowanych w Elblagu | Unclassified | IPv4 | 189 |
| AS39909 | State Research Institute | Unclassified | IPv4 | 186 |
| AS1887 | PANSTWOWY INSTYTUT BADAWCZY | Unclassified | IPv4 IPv6 | 159 |
| AS9112 | Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center | Education | IPv4 IPv6 | 127 |
| AS8970 | Wroclaw Centre of Networking and Supercomputing | Education | IPv4 IPv6 | 89 |
| AS9103 | Uniwersytet Zielonogorski | Education | IPv4 IPv6 | 88 |
| AS5550 | Technical University of Gdansk, Academic Computer Center TASK | Education | IPv4 IPv6 | 73 |
| AS16263 | Uniwersytet Radomski im. Kazimierza Pulaskiego | Unclassified | IPv4 | 63 |
| AS12423 | Nicolaus Copernicus University in Torun | Unclassified | IPv4 | 54 |
Derived from routing tables collected at 2026-11-03 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.45M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.