Top of Page


Links to move inside this page.

Business Overview

We provide comprehensive network solution services.

IIJ provides a variety of reliable and highly value-added solution services, including Internet access, outsourcing, and systems integration as a comprehensive corporate group for all network usage requirements.

Business Field of IIJ

Internet Access Services

We provide reliable high-speed Internet Access Services based on our superior operating technology via the largest backbone network in Japan. A wide range of line-ups is available, from full-spec dedicated lines for business to the convenience of broadband services, and high quality private access services.

  • Internet Access Services
    • Dedicated Line
    • Broadband
    • Dial-Up
  • For Individuals   IIJ4U   IIJmio

Outsourcing Service

IIJ provides unique and reliable outsourcing services, ranging from security (considered essential for networks), a range of server options, such as for mail and Web, to private networks, such as VPNs. We combine and provide a wide range of services in accordance with our customers' needs based on our superior network technology, coupled with comprehensive support for the customer's network system by way of operations management.

  • Cloud service "IIJ GIO"
    • Apprication service (SaaS)
    • Platform service (PaaS)
    • Component service (HaaS/IaaS)
  • Managed security services
    • Firewall
    • Security diagnosis
    • Intrusion Prevention System (IPS)
    • Remote access
    • Countermeasures against DDoS, etc.
  • Application hosting services
    • Email
    • Web, FTP
    • On-line storage
    • Original domain, DNS
    • Streaming, etc.
  • Network management service
    • Private network (i.e. VPN)
    • Total network management (IIJ SMF sx)
    • Router rental, etc.
  • Data center services

Systems Integration

We provide multiple systems for customers' businesses coupled with comprehensive support for design, development, construction, and operational maintenance based on the IIJ Group's on-demand platform services. We have also developed various products and services ranging from built-in software to a network management system (SMF) using technology developed for the unique SEIL router developed by IIJ.

  • Systems consultancy
  • Application construction
  • Infrastructure construction
  • Product development SEIL
    • SEIL Series (router hardware provision)
    • SEIL/Firm (router software provision)
    • SEIL/Engine (built-in software provision)
    • SEIL/Stack (application provision)
    • SMF system provision

End of the page.

Top of Page