Top 10 countries with their respective number of reachable nodes are as follows.

RANK COUNTRY NODES 1 n/a 8500 (55.94%) 2 United States 1852 (12.19%) 3 Germany 1358 (8.94%) 4 France 430 (2.83%) 5 Netherlands 362 (2.38%) 6 Canada 290 (1.91%) 7 Finland 246 (1.62%) 8 United Kingdom 220 (1.45%) 9 Russian Federation 178 (1.17%) 10 Singapore 141 (0.93%)