| Community |
Nodes |
| Austria, Linz |
36 |
| Austria, Vienna |
135 |
| England, Birmingham |
107 |
| England, London |
13 |
| England, Manchester |
50 |
| England, Newcastle |
18 |
| Finland, Helsinki |
83 |
| France, Lyon |
168 |
| France, Nantes |
41 |
| France, Paris |
118 |
| France, Rennes |
51 |
| Germany, Berlin |
61 |
| Germany, Dresden |
24 |
| Germany, Dusseldorf |
377 |
| Germany, Frankfurt |
188 |
| Germany, Hamburg |
49 |
| Germany, Leipzig |
89 |
| Germany, Magdeburg |
22 |
| Germany, Munich |
180 |
| Germany, Nuremberg |
40 |
| Germany, Wolfsburg |
102 |
| Netherlands |
440 |
| Poland, Gdańsk |
113 |
| Poland, Katowice |
334 |
| Poland, Kraków |
134 |
| Poland, Lublin |
18 |
| Poland, Poznań |
76 |
| Poland, Rzeszów |
47 |
| Poland, Szczecin |
57 |
| Poland, Warsaw |
257 |
| Poland, Wrocław |
88 |
| Poland, Zielona Góra |
94 |
| Spain, Barcelona |
95 |
| Spain, Madrid |
96 |
| Spain, Valencia |
64 |
| Sweden, Stockholm |
19 |
| Swiss, Bern |
58 |
| Swiss, Zurich |
78 |