Belarus to China in 181ms: Faster Than You'd Expect
Based on real RIPE Atlas measurements from GeoCables monitoring infrastructure, March 2026
181ms from Minsk to Guangzhou — that's the fastest inter-continental route in our Belarusian measurement set, beating even the South Korea route (200ms). The path is deceptively simple: Minsk to Frankfurt in 23ms, then a single invisible jump to Guangzhou at 181ms. What happens in between reveals how China Unicom's backbone quietly powers some of the world's most efficient long-distance routing.
The Traceroute
| Hop | Location | Network | RTT |
|---|
| 1–2 | Minsk, BY | A1 Belarus (AS42772) | 3ms |
| 3–6 | Minsk, BY | Business Network / NTEC (AS60280) | 2ms |
| 7 | Frankfurt, DE | NTEC (AS60280) | 23ms |
| 8–9 | (timeouts) | — | — |
| 10–11 | Guangzhou, CN | China Unicom (AS4837) | 181ms |
| 12–16 | (timeouts) | — | — |
Frankfurt to Guangzhou:
158ms for ~9,200km. At 200,000 km/s in fiber, the theoretical minimum for this distance is ~46ms. The actual 158ms is 3.4× the theoretical minimum — typical for a long route with multiple network handoffs, but still impressively direct.
China Unicom's Global Backbone
China Unicom (AS4837) — China169 Backbone — is one of China's three state-owned internet carriers. Unlike China Telecom (which routes most traffic via the US West Coast) and China Mobile (which uses Singapore as its primary global hub), China Unicom maintains direct peering relationships with European carriers including NTEC (Belarus/Baltic states).
The Belarus → China Unicom path likely uses one of these trans-Eurasian routes:
Option A — Terrestrial fiber via Russia: Frankfurt → Moscow → Trans-Siberian → China border → Guangzhou. Russia's extensive fiber network, combined with Chinese terrestrial fiber along the border, creates a direct land-based path avoiding all submarine cables.
Option B — Frankfurt → Ukraine/Turkey → submarine cables: Less likely given the RTT, but possible via Mediterranean and Middle East cables.
The 158ms Frankfurt–Guangzhou RTT is most consistent with a
terrestrial trans-Eurasian route — submarine cable routes would add latency from the multiple coastal handoffs.
The Great Firewall Effect on Routing
China's internet is unique in requiring all international traffic to pass through one of three
Internet Exchange Points at Beijing, Shanghai, or Guangzhou — the physical locations of the Great Firewall inspection infrastructure. This centralizes routing in ways that affect global traceroutes:
- All traffic entering China converges at these three points
- Routers inside China often block ICMP entirely (explaining hops 12–16 timing out)
- The final destination emerges at Guangzhou — one of the three GFW exchange points
This is why our traceroute shows clear visibility up to Guangzhou, then silence for hops 12–16: we've entered the Chinese network where ICMP is systematically blocked.
181ms: The Belt and Road Internet
The efficiency of the Belarus–China connection is not accidental. Belarus is a significant node in China's
Belt and Road Initiative (BRI) digital infrastructure strategy. The Great Stone Industrial Park near Minsk is the largest Chinese industrial project in Europe, and Chinese carriers have invested in fiber connectivity between Belarus and China as part of BRI digital infrastructure.
China Unicom's direct peering with Belarusian carriers — rather than routing through Western European hubs — is part of this broader connectivity investment.
Monitoring Status
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Current RTT: 181ms |
Fastest route in our BY measurement set
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Path: Minsk → Frankfurt (NTEC) →
(terrestrial Eurasia) → Guangzhou (China Unicom)
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Key insight: Trans-Eurasian terrestrial fiber can outperform submarine cable routes for certain city pairs