Seoul, South Korea

Seoul is located in Seoul, South Korea at coordinates 37.5665° N, 126.9780° E. As one of the world's megacities with a population of approximately 9,776,000, Seoul serves as a major economic hub and a critical node in global internet infrastructure. The city's dense urban core drives enormous demand for high-speed connectivity, supporting millions of daily internet users across residential, commercial, and institutional networks.

The city operates in the Asia/Seoul timezone (UTC+9). Its mid-latitude position gives Seoul moderate seasonal variation in daylight hours. Internet connectivity in Seoul is primarily served by KT, SK Broadband, LG U+. Residents and visitors can use our speed test to check their connection quality from Seoul.

If you're connecting to the internet from Seoul, your IP address will typically show a location within Seoul. In large metropolitan areas like Seoul, IP geolocation is generally accurate to city level because ISPs maintain dedicated infrastructure within the metro area. Use our IP lookup tool to check the accuracy for your specific connection.

As a city of over 10 million people, Seoul benefits from extensive fiber-optic networks and expanding 5G coverage. Seoul enjoys some of the fastest average internet speeds in the world. Fiber broadband is nearly ubiquitous, and 5G coverage blankets most of the metropolitan area with typical download speeds exceeding 500 Mbps.

The primary ISPs serving Seoul are KT, SK Broadband, and LG U+. In a metro area this size, KT and SK Broadband compete aggressively on pricing and speed tiers, which generally benefits consumers. LG U+ offers additional choice, particularly in residential areas where bundled TV and internet packages are popular.

IP addresses assigned to users in Seoul are allocated by KT, SK Broadband, and LG U+, each of which manages its own blocks of IPv4 and IPv6 addresses. IP addresses in the Asia-Pacific region, including South Korea, are administered by APNIC (Asia Pacific Network Information Centre). APNIC's WHOIS database maps IP ranges to specific ISPs, which is how geolocation tools can identify your connection as originating from Seoul.

When you connect to the internet in Seoul, your ISP assigns you either a dynamic or static IP address. Most residential connections in large cities like Seoul use dynamic IP addresses that change periodically, while businesses often pay for static IPs. This means your IP-based location may shift slightly between sessions, though it will generally remain within the Seoul area. Check your current IP and its associated location using our My IP Address tool, or look up any IP with our IP lookup.

South Korea has well-established data protection laws — the Personal Information Protection Act (PIPA) — that govern how ISPs and online services handle user data in Seoul. These frameworks provide meaningful privacy rights, though your IP address remains visible to websites unless you take extra steps.

To protect your privacy while browsing from Seoul, consider using a trusted VPN service that encrypts your traffic and masks your real IP address. In a densely connected city like Seoul, public Wi-Fi networks at cafes, hotels, and transit hubs are convenient but inherently insecure. A VPN protects your data on these networks from packet sniffing and man-in-the-middle attacks. After connecting to your VPN, verify it's working properly with our VPN leak test — this checks for DNS, WebRTC, and IPv6 leaks that could expose your real Seoul IP address. You can also check your browser fingerprint to see how uniquely identifiable your browser is, even when using a VPN.