BIGLOBE

BIGLOBE is operated by BIGLOBE Inc. (KDDI Group), headquartered in Tokyo, Japan (Subsidiary of KDDI Corporation (TSE: 9433)). The product launched in 1996 (BIGLOBE service); spun out from NEC 2006 and a major Japanese ISP and MVNO competing with OCN, So-net and Rakuten Mobile. This 2026 review covers operator context, the current tier ladder, the feature set that matters for buyers and the live signals to watch before subscribing.

Quick facts

• Operator: BIGLOBE Inc. (KDDI Group)
• Headquarters: Tokyo, Japan
• Public-market status: Subsidiary of KDDI Corporation (TSE: 9433)
• Founded: 1996 (BIGLOBE service); spun out from NEC 2006
• Category: internet providers
• Current tiers: BIGLOBE Mobile / BIGLOBE Hikari / BIGLOBE WiMAX
• Anchor price (2026): MVNO mobile plan
• Competitive set: competing with OCN, So-net and Rakuten Mobile in Japanese ISP and MVNO markets

What is BIGLOBE?

BIGLOBE is a major Japanese ISP and MVNO competing with OCN, So-net and Rakuten Mobile. The product is competing with OCN, So-net and Rakuten Mobile in Japanese ISP and MVNO markets. Customers buy a tier that matches their usage profile — the entry tier handles MVNO mobile service on docomo and au networks, while the mid and premium tiers add depth such as BIGLOBE Hikari fiber up to 1 Gbps and WiMAX +5G mobile broadband. Subscription billing happens through the operator's checkout or partner billing surfaces (App Store / Google Play / direct card on file).

Why choose BIGLOBE

Operator and market position

BIGLOBE Inc. (KDDI Group) runs BIGLOBE from Tokyo, Japan. Its public-market status (Subsidiary of KDDI Corporation (TSE: 9433)) and category position (competing with OCN, So-net and Rakuten Mobile in Japanese ISP and MVNO markets) shape the credibility of the operator's roadmap and pricing decisions. Buyers should weigh that operator context alongside headline features — a well-capitalised parent typically translates into faster bug fixes, longer support cycles and more predictable price changes than a smaller indie operator.

Network coverage and plan structure

The BIGLOBE tier ladder runs BIGLOBE Mobile, BIGLOBE Hikari, BIGLOBE WiMAX. Anchor pricing in 2026 starts around MVNO mobile plan for the entry tier and steps up by tier with named feature unlocks. Confirm the live regional price on the operator's site, then cross-check Subger's true-price tracker for BIGLOBE for the all-in renewal cost after taxes and FX conversion.

Apps and customer experience

Apps and customer-experience surfaces matter as much as headline feature counts. BIGLOBE delivers its core workflow across the platform surfaces listed in the platform table below, with notifications and self-service flows handled in-app. The 2025-2026 differentiator to watch: continued KDDI au+ bundling integration and 5G WiMAX upgrades through 2025-2026.

BIGLOBE features that matter in 2026

Current feature set that buyers should weigh:

• MVNO mobile service on docomo and au networks
• BIGLOBE Hikari fiber up to 1 Gbps
• WiMAX +5G mobile broadband
• email and personal cloud storage
• au Smart Value bundling discounts
• Japanese customer support

Feature availability varies by region and tier; the headline list above reflects the operator's primary market positioning. Confirm specific regional availability on the operator's marketing pages before committing.

BIGLOBE pricing in 2026

The BIGLOBE tier ladder in 2026 looks like:

Headline prices step up across the ladder; promotional first-period anchors and regional FX can change the all-in cost. Subger's tools reconcile the list price with the actual renewal cost:

BIGLOBE apps and platform support

Surface availability can vary by region and tier; confirm current app availability and supported devices on the operator's site before subscribing.

Who BIGLOBE fits

BIGLOBE is most likely a good match for the following buyers:

• Japanese households wanting an established isp with mobile-and-fiber bundling under the kddi umbrella — the core target audience for the product.
• Category-focused subscribers who specifically want MVNO mobile service on docomo and au networks from competing with OCN, So-net and Rakuten Mobile in Japanese ISP and MVNO markets rather than a generalist platform.
• Tier-comparing households evaluating the BIGLOBE Mobile → BIGLOBE WiMAX ladder and willing to pay up for email and personal cloud storage.
• Cross-device users who need apps across mobile, web and any operator-specific surfaces in the table above.
• Price-sensitive shoppers who want to track promotional anchors via Subger's true-price tracker and deals page before committing to annual billing.

Frequently asked questions

Who runs BIGLOBE and where is it based?

BIGLOBE is run by BIGLOBE Inc. (KDDI Group), headquartered in Tokyo, Japan. The operator's public-market status is: Subsidiary of KDDI Corporation (TSE: 9433). The product was founded in 1996 (BIGLOBE service); spun out from NEC 2006.

How much does BIGLOBE cost in 2026?

The 2026 tier ladder is BIGLOBE Mobile, BIGLOBE Hikari, BIGLOBE WiMAX, with anchor pricing starting around MVNO mobile plan. Regional currency and promotional cycles can shift the all-in cost; Subger's true-price tracker reconciles the headline price with renewal reality.

Is there a free tier or free trial for BIGLOBE?

There is no perpetual free tier listed for the standard BIGLOBE subscription; the operator may run introductory trials periodically. Check the live signup page for current trial promotions.

Where is BIGLOBE available?

Availability follows the operator's licensing and service footprint from Tokyo, Japan. Confirm regional availability on the official site before subscribing.

What 2025-2026 features set BIGLOBE apart right now?

The live differentiator to watch: continued KDDI au+ bundling integration and 5G WiMAX upgrades through 2025-2026. Pair that with the headline features (MVNO mobile service on docomo and au networks, BIGLOBE Hikari fiber up to 1 Gbps, WiMAX +5G mobile broadband) to judge whether the current roadmap fits your needs.

Which competitors should buyers compare BIGLOBE against?

BIGLOBE is most directly competing with OCN, So-net and Rakuten Mobile in Japanese ISP and MVNO markets. Run a side-by-side feature and price comparison with those alternatives — Subger's category pages help with the shortlist.

How do I cancel BIGLOBE?

Cancel through the account or subscription settings on the surface where you bought the plan: the operator's website for direct subscriptions, the App Store or Google Play for in-app purchases, or the partner billing portal for bundled subscriptions. Subger's cancellation guide for BIGLOBE walks through each route step-by-step.

Does BIGLOBE offer a family or multi-user plan?

Multi-user, family or seat structure depends on the tier. Higher tiers commonly add multi-profile or multi-device support; entry tiers can restrict simultaneous usage. Confirm the per-tier seat limit on the live pricing page before committing.

How can I track price changes for BIGLOBE?

Subger's renewal tracker for BIGLOBE records list-price changes plus promotional anchors over time. Pair it with the deals page for current discount codes and the promo codes page for stackable savings at signup.

Get started with BIGLOBE

Confirm the current regional price on the BIGLOBE Inc. (KDDI Group) signup page, choose the tier that matches your usage (BIGLOBE Mobile or BIGLOBE Hikari are the most common starting points), and check Subger's deals page for BIGLOBE for promotional anchors before completing checkout. Track the subscription's true renewal cost with the true-price tracker once you're signed up.

Related Subger guides

• Cancel BIGLOBE guide
• Latest BIGLOBE deals
• BIGLOBE promo codes
• BIGLOBE true price and renewal tracker
• Browse the internet providers category hub
• All services on Subger