JustMySocks LA plans use CN2 GIA routes, which are primarily operated by China Telecom. But what about users on China Unicom or China Mobile? In this article we tested the three major Chinese ISPs in the same city and time window to give you a clear, side‑by‑side comparison.

Test Environment

🔬 Test Conditions

• Test node: JustMySocks LA 1000 (Los Angeles CN2 GIA)
• Location: Shanghai, China
• China Telecom: 300 Mbps home broadband
• China Unicom: 300 Mbps home broadband
• China Mobile: 300 Mbps home broadband
• Time: December 2025, evening peak 20:00–22:00
• Runs: 10 tests per ISP, averages shown

China Telecom Results

🔵 China Telecom — Native CN2 GIA Support

148ms
Average latency
412Mbps
Average download
0.1%
Packet loss
Very stable
Fluctuation

China Telecom users are the “native beneficiaries” of CN2 GIA. Both outbound and inbound traffic go directly over CN2, without extra transit, so performance is best in class.

China Unicom Results

🔴 China Unicom — Cross‑network Interconnect

165ms
Average latency
326Mbps
Average download
0.8%
Packet loss
Fairly stable
Fluctuation

For China Unicom users, traffic reaches CN2 GIA via Unicom–Telecom interconnects. Latency is about 15 ms higher and throughput is somewhat lower, but overall experience is still better than most standard routes available on the market.

China Mobile Results

🟢 China Mobile — Cross‑network Interconnect

178ms
Average latency
285Mbps
Average download
1.5%
Packet loss
Occasional spikes
Fluctuation

China Mobile has the longest path to CN2, so latency and packet loss are the highest of the three. However, off‑peak performance improves noticeably. If you are extremely latency‑sensitive on China Mobile, consider Tokyo or Hong Kong nodes as alternatives.

Side‑by‑side Comparison

Metric 🔵 China Telecom 🔴 China Unicom 🟢 China Mobile
Average latency 148ms 165ms 178ms
Average download 412Mbps 326Mbps 285Mbps
Packet loss 0.1% 0.8% 1.5%
Routing Direct CN2 GIA Cross‑network to Telecom CN2 Cross‑network to Telecom CN2
Recommendation ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐

Best Choices by ISP

  • China Telecom users: Go straight for LA plans (LA 500 / LA 1000). You get the full benefit of CN2 GIA with the best overall experience.
  • China Unicom users: LA plans also work very well, with only ~15–20 ms extra latency. If you want the lowest possible latency, consider Tokyo 100, as Unicom’s routes to Japan are also quite good.
  • China Mobile users: LA plans are usable but not optimal. Prefer HK 100 or Tokyo 100 first; China Mobile often has better direct routes to Hong Kong and Japan than via cross‑network to Telecom CN2.
💡 Key Takeaway Even for the weakest case (China Mobile), JustMySocks CN2 GIA performance (285 Mbps, 178 ms) is far better than typical 163/standard routes. All three ISPs can get good results, but China Telecom users see the absolute best experience.
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📚 Related Reading

Whichever ISP You Use, CN2 GIA Beats Standard Routes

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