| NREN/Organisation | No. of participants |
|---|
| 1 | CARNET - Croatia | 1 |
| 2 | ARNES - Slovenia | 3 |
| 3 | CYNET - Cyprus | 2 |
| 4 | DFN - Germany | 2 |
| 5 | GÉANT - UK/Netherlands* | 4 |
| 6 | DTU - Denmark | 1 |
| 7 | Feide - Norway | 1 |
| 8 | GRNET - Greece | 1 |
| 9 | KIFU - Hungary | 2 |
| 10 | LITNET - Lithuania | 2 |
| 11 | LRZ - Germany | 3 |
| 12 | Masarykova univerzita - Czechia | 1 |
| 13 | PSNC - Poland | 13 |
| 14 | RASH - Albania | 3 |
| 15 | St. Cyril and Methodius University in Skopje - North Macedonia | 1 |
| 16 | Stockholm University - Sweden | 3 |
| 17 | SUNET - Sweden | 2 |
| 18 | Széchenyi István University - Hungary | 1 |
| 19 | Uninett - Norway | 3 |
| 20 | UoB/AMRES - Serbia | 5 |
| 21 | UPES - India | 1 |
| 22 | WACREN - West and Central Africa | 1 |
| 23 | TOTAL | 56 |
