Zenlayer

Cloud and Network Infrastructure in South Korea

A high-bandwidth consumer edge in East Asia, anchored on Seoul and its carrier ecosystem.

About South Korea

Seoul is the center of South Korea's internet infrastructure. The capital region concentrates the country's fixed-line carrier ecosystem, its domestic interconnection, and the audience for gaming, esports, streaming, and mobile platforms. Korean users are served over fast domestic broadband, which sets a demanding floor for how interactive services are expected to behave.

Zenlayer operates 10 data centers in Seoul, with bare metal cloud (BMC) at two facilities, edge colocation at one, IP transit at three, and Cloud WAN and Cloud Connect at four sites each, alongside CDN capacity for domestic delivery. That mix gives teams a single metro in which to run compute, hand traffic to Korean networks, and reach cloud regions over private links.

South Korea sits inside a compact East Asian cluster, with Japan, China, and Taiwan all reachable from Seoul across Zenlayer's backbone, so Korea is commonly deployed as one leg of a regional footprint rather than on its own. Hosting in country also keeps delivery on Korean networks rather than depending on how an outside provider terminates traffic into them.

01 · Compute

Compute in South Korea

Seoul carries Zenlayer's Korean compute stack, with bare metal cloud (BMC) at two facilities and edge colocation for customer-owned hardware in the same metro. Bare metal is the usual choice here because Korean consumer workloads are latency-sensitive and traffic-heavy, and dedicated hardware gives teams predictable throughput and a stable in-country path onto domestic networks.

Common deployments include game servers and matchmaking backends for Korean player bases, live streaming and esports origin nodes, session and API tiers for mobile platforms with a domestic user base, and inference or caching nodes placed close to the cloud regions Korean enterprises already use.

Enterprise hardware

Intel Xeon Scalable. Up to 384 GB RAM. NVMe and SSD storage tiers.

Premium network

100+ Tbps backbone with dynamic, latency-optimized routing.

Instant provisioning

Deploy via Terraform, REST API, or the point-and-click zenConsole.

Flexible billing

Hourly pay-as-you-go with discounts for longer commitments.

02 · Networking

Networking in South Korea

Zenlayer's Seoul footprint carries IP transit at three sites, Cloud WAN and Cloud Connect at four sites each, and CDN for domestic delivery. Korea's routing picture is concentrated: KT, SK Broadband, and LG Uplus carry most fixed-line users, and domestic interconnection happens largely inside the capital region, so the local handoff shapes how Korean users experience a service.

Cloud Connect provides private links into cloud regions serving Korea, keeping enterprise traffic off the public internet for lower latency and steadier throughput. Cloud WAN joins Korea to Zenlayer's global software-defined backbone, so Seoul works as one node in a wider East Asian and transpacific topology rather than an isolated deployment.

IP Transit

Blended carrier routes tuned for the lowest real-world latency.

Cloud Connect

Private, dedicated links into AWS, Azure, GCP, and Oracle.

Cloud WAN

Software-defined backbone spanning 290+ points of presence.

Edge protection

Layer 3 and 4 DDoS mitigation with real-time traffic filtering.

03 · Colocation

Colocation in South Korea

Zenlayer provides edge colocation in Seoul at one facility within its 10-site Korean footprint, supporting enterprises that run their own hardware next to managed compute and network services. Facilities carry SOC 2 Type II and ISO 27001 attestations, which matters for financial services, healthcare, and platform operators working to Korean audit expectations.

Because the Korean footprint sits in a single metro and colocation is offered from a single site, capacity planning is worth doing early. Confirm power draw per rack, cross-connect paths to the transit and cloud services you intend to use, and hardware import and installation lead times before committing to a rack build in Seoul.

Carrier-neutral

Access to 400+ carriers and major regional peering exchanges.

Flexible power

Standard and high-density rack configurations on request.

Secure access

Biometric entry, CCTV, and 24/7 dedicated remote hands.

Rapid turn-up

Cage-to-production cross-connects in days, not weeks.

Cities in South Korea

Data Centers in South Korea

10 total

Seoul

South Korea's digital core, home to nearly half the national population and its peering ecosystem.

10 DCs
Services
AP-Seoul10(Korea KINX Bundang)SEL10KINX
Colo
AP-Seoul11(KT_MD2)SEL11KT Corporation
Colo
AP-Seoul12(DMK1_Guro)SEL12Dreamline
Colo
AP-Seoul13(DRT_ICN10)SEL13Telx
Colo
AP-Seoul2(SK Broadband Bundang)SEL2SK broadband
ColoBMCIP TransitCloud WANCloud ConnectCDN
AP-Seoul3(Korea KINX Gasan)SEL3KINX
ColoIP TransitCloud WANCloud Connect
AP-Seoul4(KT Hyehwa Global DC)SEL4KT Corporation
ColoBMCIP TransitCloud WANCloud Connect
AP-Seoul5(KT Yeouido IDC)SEL5KT Corporation
ColoCloud WANCloud Connect
AP-Seoul7(Smileserv)SEL7Contents Bridge
Colo
AP-Seoul9(KT Gangnam DC)SEL9Contents Bridge
Colo

FAQs

Common questions about deploying compute, networking, and colocation infrastructure in South Korea.

Where are Zenlayer's data centers located in South Korea?

<p>Zenlayer operates 10 data centers in Seoul, and all Korean inventory sits in the Seoul metropolitan area. That concentration follows the market rather than convenience: the capital region holds Korea's fixed-line carrier interconnection, the domestic peering fabrics, and the cloud regions serving the country, so one metro reaches effectively the whole national audience.</p>

What cloud and network services are available in Seoul?

<p>Seoul carries bare metal cloud (BMC) at two facilities, edge colocation at one, IP transit at three facilities, Cloud WAN and Cloud Connect at four sites each, and CDN capacity for domestic delivery. Availability varies by facility rather than by city, so the practical step is matching the service mix a workload needs to the Seoul site that carries it.</p>

Why deploy in Seoul rather than another East Asian city?

<p>Seoul is where Zenlayer's Korean capacity sits, so it is the option for placing compute inside the Korean network edge on this platform. For a service with a Korean user base, a domestic gaming or streaming audience, or a Korean enterprise buyer, that in-country position is usually the deciding factor. Teams serving the wider region typically pair Seoul with a second East Asian market.</p>

How does Korean carrier interconnection affect hosting choices?

<p>Domestic interconnection in Korea has generally been settled commercially between carriers rather than on a settlement-free basis, which is worth confirming with your transit provider when you model delivery costs. Serving Korean audiences from abroad also adds a sea crossing, so hosting in Seoul gives more direct control over the local path and how traffic reaches users.</p>

What are Zenlayer's neighboring markets to South Korea in East Asia?

<p>Zenlayer's neighboring East Asian markets are Japan, China, and Taiwan, and Seoul connects to all three across the SDN backbone for regional workloads. That makes South Korea a practical anchor for a multi-country East Asian footprint, with Korean traffic served in country and demand from the surrounding markets handled from the nearest sibling location.</p>

Deploy Infrastructure in South Korea

Talk with Zenlayer to design a Seoul deployment anchored on in-country peering with Korean carriers, private cloud on-ramps, and domestic delivery.

South Korea Data Center Infrastructure | Zenlayer