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Core-Backbone GmbH
Level 3 Parent, LLC
SURF B.V.
TDC Holding A/S
Swisscom (Schweiz) AG
Philippine Long Distance Telephone Co.
Administracion Nacional de Telecomunicaciones
DIGI ROMANIA S.A.
Vodafone Group PLC The Connection Newbury RG14 2..
Telkom SA Ltd.
PJSC "Vimpelcom"