Connectivity & managed services provider
IIJ
Japanese internet service provider and cloud company serving enterprises, also running an MVNO on the major mobile networks.
- Headquarters
- Revenue
- JPY 345.4bnFY2025source ↗
- Subscriptions
- 1,430,4832026source ↗
- Employees
- 5,5312026-03-31source ↗
- Also
- network operator · MVNO · cloud services
- Customers
- EnterpriseConsumer
- Domains
- Fixed & fibreMobileCloudSecurity
- Website
- iij.ad.jp ↗
MVNO
Active· launched 2001
Host networks2
- — 音声月額料金 ドコモ網・au網 (voice monthly fee: docomo network / au network)
- — 回線もドコモ網・au網から選択可能 (network selectable from docomo or au)
Services13
- Mobile Voice
- SMS
- Mobile Data
- 5G
- eSIM
- Physical SIM
- Postpaid
- Family Plans
- 4G
- IoT Connectivity
- Enterprise Mobility
- Travel Connectivity
- Wholesale Connectivity
Customers: Consumer · Enterprise · IoT / M2M · Travel · Wholesale
Confidence high · verified 2026-09-25 · IIJmio is IIJ's consumer brand selling voice/SMS/data SIMs on the docomo and au networks; IIJ owns no RAN. IIJ is also a full MVNO (own core/HLR on docomo, enterprise 'Type I') and an MVNE for other MVNOs. Point at any line for its source.
Mobile providers & enablers
Verified 2026-09-25 against 2 pages from IIJmio, iij.ad.jp. Point at a role or capability for its source.
People1
Leadership as the company names it; dates only where a source states them.
- Yasuhiko Taniwaki · Representative Director, President and Executive Officer↗
Relationships2
Host networks
Ecosystem
hosted on
- Mobile · 音声月額料金 ドコモ網・au網 (voice monthly fee: docomo network / au network)active · Company statement
- Mobile · 回線もドコモ網・au網から選択可能 (network selectable from docomo or au)active · Company statement