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Hazel Reimer
Cogent Communications
SURF B.V.
TELUS Communications Inc.
Telekomunikasi Indonesia (PT)
Swisscom (Schweiz) AG
Turk Telekomunikasyon Anonim Sirketi
Administracion Nacional de Telecomunicaciones
DIGI ROMANIA S.A.
Bharti Airtel Limited
Telkom SA Ltd.
PJSC "Vimpelcom"