Global Internet Service Provider (ISP) Market Size, Share & Strategic Outlook – By Connection Type (Fiber Optic Broadband, DSL, Cable, Fixed Wireless Access, Satellite Internet), By Service Type (Residential, Commercial, Enterprise), By Speed Tier (Below 100 Mbps, 100–500 Mbps, 500 Mbps–1 Gbps, Above 1 Gbps), By End-User (Households, SMEs, Large Enterprises), By Region, Competitive Landscape, Industry Trends, Investment Analysis & Forecast 2025–2034