While well-known major 3 ISPs in Korea provides L3-based network only. KINX is the only L2-based network provider. I think KINX provides more flexible and reasonable network services than the major ISPs.
The only carrier-neutral Internet eXchange (IX). KINX provides cost-effective and efficient services
to prominent domestic and international carriers, content providers, multiple system operators, financial institutions,
and government agencies. With its know-how, KINX offers colocation, IEPL, MPLS-VPN, Cloud, CDN, AWS Direct Connect,
and China Direct Connect among others.