Ping from Hong Kong measures ICMP round-trip time from the Google LLC node to your target. Reference RTTs over well-peered paths: Singapore ~30 ms, Taipei ~30 ms, Tokyo ~50 ms, Seoul ~40 ms, Sydney ~100 ms, Mumbai ~80 ms, Frankfurt ~170 ms, London ~180 ms, New York ~200 ms, Los Angeles ~155 ms. Traffic from AS396982 travels over Google's private backbone where possible, so results may differ from paths taken by typical commercial hosting networks on the same routes.

Hong Kong is particularly useful as a ping origin for validating latency to mainland China. Traffic from Hong Kong into the Chinese internet crosses the border at a small number of interconnect points operated by China Telecom (AS4134), China Unicom (AS4837), and China Mobile (AS9808). Round-trip times from Hong Kong to major Chinese cities are typically 20–50 ms under normal conditions but can spike significantly during congestion at these border interconnects. A high ping result from Hong Kong to a Chinese mainland target almost always traces back to these cross-border links.

As with all nodes, ICMP rate-limiting on intermediate hops can produce misleading loss figures. If ping from Hong Kong shows packet loss but your service is functional, run a TCP check on the application port before drawing conclusions. Google's network tends to have clean ICMP paths on well-established routes, so unexplained loss from this node is more likely to reflect an issue at the target or its upstream than ICMP deprioritization in the middle of the path.

Hong Kong is one of the most important internet interconnection points in Asia. HKIX, the Hong Kong Internet Exchange, is hosted at The Chinese University of Hong Kong and consistently ranks among the busiest IXPs in Asia by member count, connecting hundreds of networks including regional carriers, international CDNs, and cloud providers. The combination of HKIX and the Equinix HK campus gives Hong Kong a dense peering ecosystem, making it a natural transit hub between Northeast and Southeast Asia.

Hong Kong is a major landing point for submarine cable systems crossing the Pacific and the South China Sea. APCN2, TGN-IA (formerly FLAG Asia), SJC (South-East Asia Japan Cable), and ASE (Asia Submarine-cable Express) all have landing stations in Hong Kong. These cables provide diverse, redundant paths to Japan, Taiwan, the Philippines, Singapore, and the US West Coast. The geographic position — between mainland China, Taiwan, Japan, and Southeast Asia — makes Hong Kong a natural aggregation point for Asia-Pacific transit.

Our probe node in Hong Kong runs on AS396982 (Google LLC). Google's global network (AS396982) is used for Google's own infrastructure deployments including Google Cloud Platform nodes. Traffic from this ASN benefits from Google's private backbone, which bypasses public internet transit for inter-region communication wherever Google has capacity. Typical RTTs from this node: Hong Kong to Singapore ~30 ms, to Taipei ~30 ms, to Tokyo ~50 ms, to Sydney ~100 ms, to Frankfurt ~170 ms, to New York ~200 ms.

Domestic carriers in Hong Kong include PCCW Global (AS3491), HGC Global Communications (AS9304), and China Mobile HK (AS58453). Each maintains presence at HKIX and connects to the Equinix campus. PCCW Global in particular operates one of the largest pan-Asian backbone networks and is a key transit provider for traffic between Hong Kong and mainland China — a segment that has distinct routing characteristics due to the Great Firewall filtering that applies at the China border.

Hong Kong's network position has remained stable despite political changes since 2020. Physical cable infrastructure, IX membership, and peering agreements are unchanged at the technical level. HKIX continues to operate independently at CUHK. For operators targeting users in Greater China, Hong Kong is the critical test vantage point — it gives you clean visibility into routing quality for the last leg into or out of the Chinese mainland network, without being subject to the filtering that applies inside China itself.