Internet Initiative Japan Inc.

Japan · owned by Independent (publicly listed; NTT holds a minority stake) (Japan) · iij.com · 18 vendors

Internet Initiative Japan (IIJ) is one of Japan's first and largest internet service providers, offering a wide range of network, cloud, security, and managed services to enterprise and government clients. Founded in 1992, IIJ played a pioneering role in bringing commercial internet access to Japan. The company is publicly listed on the Tokyo Stock Exchange and also trades on NASDAQ.

Resilience scores

Technology vendors

Services catalogue

5 services in catalogue across 3 categories; runs on 18 sub-vendors.

Insights

Last updated 2026-03-14 · revision 2

18 direct vendors, 221 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 4/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

The company exhibits medium migration readiness, though leaning towards the lower end due to substantial data gaps. A key strength is the inferred financial stability, which suggests the company likely has the resources to fund a migration. However, critical information regarding the internal tech stack (e.g., cloud-nativeness, containerization, microservices adoption) is entirely absent, making it impossible to assess the technical effort required for migration. Specific regulatory compliance requirements and data residency constraints, which are often significant hurdles in migration, are also unknown beyond an 'inferred' status. Furthermore, with 46 services from vendors and an explicitly stated 'Vendor Lock-in Risk: Unknown', the complexity of disentangling from existing vendor relationships and the potential for vendor lock-in cannot be accurately determined. The high number of services suggests a potentially complex environment to migrate.

Financials

Signed-in users can see whether their own company is exposed to this vendor's disruption, plus the full sub-vendor list and country breakdowns, every in-scope compliance framework plus gaps and next steps, and alerts when any of it changes.

View the full interactive report