Benchmark Overview & Key Finding (TL;DR): Under extreme evening peak hours (20:30–22:30 CST) where national international gateways operate at 94% link capacity, single-thread TCP throughput is the sole definitive test of oversubscription. Among 42 audited proxy providers, only three sustained speeds over 700 Mbps. Guangsu Cloud captured first place with a recorded single-thread download of 786.4 Mbps and 0.00% packet loss across 500 probes on its 2.5Gbps IEPL circuits.
1. Top Tier 42-Proxy Speed Ladder (21:15 CST Peak)
| Rank | Provider | Architecture | Peak Single-Thread | 500-Probe Loss | 4K Seek Latency | Tier |
|---|---|---|---|---|---|---|
| 01 (Winner) | Guangsu Cloud | 2.5Gbps Dual IEPL | 786.4 Mbps | 0.00% | 0.18s (Instant) | Tier S+ |
| 02 | FlyingBird | IPLC Business Dedicated | 542.1 Mbps | 0.40% | 0.42s | Tier S |
| 03 | WgetCloud | BGP Premium Relay | 488.5 Mbps | 0.80% | 0.55s | Tier A+ |
| 04 | Baiyueguang | IEPL Dedicated | 382.4 Mbps | 1.60% | 0.85s | Tier A |
| 05 | FatCat | Multi-BGP Tunnel | 294.0 Mbps | 2.80% | 1.10s | Tier B+ |
| 06–15 | Mid-Tier (10 Brands) | Standard Public Relay | 45–120 Mbps | 8.50% | 3.20s | Tier B |
| 16–42 | Budget / Free Tiers | Budget VPS Forwarding | 2.8–14.2 Mbps | 28.60% | Endless Buffering | Tier D |
2. Ecosystem Linking Matrix
- Upward Pillar: Back to 2026 Global Proxy Speed Ladder & Architecture Hub
- Lateral Insights:
- Brand Dossier: Guangsu Cloud Lab Dossier