Swisscom
Swisscom (Switzerland) Ltd.
IP-Plus engineering, Postfach, CH-3050, Bern, Switzerland
+41-58-221-98
Orange
Orange Business Services Hungary Kft
H-1117 Budapest, Budapart tér 2, BudapartGate 3th floor
+36-12982600
Serbia BroadBand
Serbia BroadBand-Srpske Kablovske mreze d.o.o.
Bulevar Peka Dapcevica 19
11000, Belgrade, Serbia
+381 11 400 11 77