Диапазоны оператора
ООО "ИТ БИЗНЕС"
г. Москва
495 4196000–4196149; 495 4196000–4196149; 495 4612200–4612249; 495 4612200–4612249; 495 4612700–4612799; 495 4612700–4612799; 495 4616200–4616249; 495 4616200–4616249; 495 4616700–4616799; 495 4616700–4616799; 495 6685000–6685099; 495 6685000–6685099