Direct Internet Access image

Direct Internet Access

Ethernet Internet

This service connects customer sites to the internet using Ethernet. An optical fiber cable is used for the access line, ensuring that data is transmitted to our internet backbone at a certain rate. This enables rapid, stable access to the internet.

Ethernet internet


* Click (tap) each item for details.

  • High-speed, high-capacity optical fiber access

    High-speed, high-capacity optical fiber access

    This is a high-speed internet access service with an always-on connection that uses an optical fiber access line.

  • We can guarantee bandwidth that ensures stable access

    We can guarantee bandwidth that ensures stable access

    A specific bandwidth is guaranteed between the customer site and our internet backbone, enabling stable internet access even when the network is congested.

  • Assignment of fixed global IP addresses

    Assignment of fixed global IP addresses

    The following global IP addresses are statically assigned as a standard. Please consult us if you need additional addresses.

    IPv4: 8 addresses (/29), IPv6: 280 addresses (/48)

  • Maintenance support of
    24 hours a day,
    365 days a year

    Maintenance support of 24 hours a day, 365 days a year

    We constantly monitor our internet backbone and access line and respond to system failures promptly to ensure quick recovery. In addition, our support contact is open 24 hours a day, 365 days a year to take customer inquiries.


Service specifications

Items Service with a guaranteed rate Maximum bandwidth
10M 100M
Garanteed bandwidth
1M 1M, 10M
Garanteed bandwidth
10M 10M, 20M, 30M, 50M, 100M 100M, 200M, 300M, 500M, 1G
Interface 10BASE-T 100BASE-TX 1000BASE-T
IP addresses IPv4 8 addresses (/29) are assigned statically.
IPv6 280 addresses (/48) are assigned statically.
Routing Static or BGP4 (BGP4+)
Traffic report Customer data traffic can be checked using a dedicated website.
Option Service Additional IP addresses
Secondary DNS service
Domain name acquisition and management service
Secure Option (DDoS,IPS)
SLA Failure recovery time: 1 hour
Service area Tokyo, Kanagawa, Saitama, Chiba, Ibaraki, Gunma, Tochigi, Yamanashi, Nagano, Shizuoka, Aichi, Gifu, Mie, Osaka, Kyoto, Shiga, Okayama
(We may not provide our service in some areas even within the areas stated above. Please contact us for details.)
  • * Some access guarantees are available only in some specific areas.


  • * Even within the service area, you may have to wait or may not be able to be provided with the service depending on the equipment status.
  • * This service is offered based on an assumption that optical fiber from NTT East and West is used in the access section.  This explains that you may have to wait or not be able to apply for this service depending on the installation and provision status of the optical fiber.
  • * Please be informed that our service may be temporarily suspended due to construction work such as expanding our equipment ability.
  • * The minimum usage period of this service is one year.

We adhere to the following Service Level Agreement (SLA) for the Ethernet Internet to enable customers feel secure while using the service. If we should fail to maintain the guaranteed standards, we will return the fees in accordance with the specified rate.

Failure recovery time

In case a failure occurs in the line you are using, we guarantee that it will be recovered within one hour from the time when we have been notified the failure.
If the failure continues for more than 1 hour and the reason is on our side, we will refund the fee according to the time required to recover from the failure.

Failure recovery time Return rate
From 1 hour up to 12 hours 5%
From 12 hours up to 24 hours 10%
From 24 hours up to 72 hours 20%
More than 72 hours 100%
  • * The definition for failure shall be stated as, a failure occurs in the line and you are not able to communication at all.
  • * The failure recovery time shall be defined as, the total time required from the point when we have been noticed the failure to when the line recovers and the customer can actually use it without a problem.
  • * SLA shall not be applied to service suspensions due to our planned work based on prior notice.

SLA segment

SLA segment

Refundable fee

Monthly fee for the case when there was SLA violation.


  • * No special procedures such as application procedures or additional charges are required to have the monthly fee applied for the case when there was SLA violation.
  • * Monthly fee for the case when there was SLA violation will be the upper limit of the monthly total of refunds (failure recovery time, delay time in the network, Network utilization rate) based on SLA. Daily pro-rata calculation will be applied if you apply or cancel in the middle of the month.

Additional IP address

Additional IPv4 addresses that we manage are available in increments of 8 (with an upper limit 128 addresses).

  • * Restrictions may be set on the number of global addresses that we assign.
  • * Please consult us regarding the assignment of more than 128 IPv4 addresses and the assignment of additional IPv6 addresses.

Secondary DNS service

This is a service providing a secondary DNS server for the customer's unique domain.

  • * Primary DNS server must be prepared by the customer or using the one which we provide.

Customers using the internet access service are able to use one domain for free.

Domain name acquisition and management service

We provide a service that undergoes the application procedures for the acquisition of a domain name for a customer and the maintenance and management of the domain name which will be necessary after acquisition.

Domains to be provided
Universal .jp domain name JP
Attribute-based/regional .jp domain names,,, and others
Prefectural .jp domain name, and others
gTLD .com, .net, .org, .info, .biz, and others

Secure Option (DDoS,IPS)

This service protects the customer's network environment from DDoS attacks and hacking. Attacks are detected by inspecting the status of data communications with the customer using a system for preventing unauthorized accesses that is installed in our backbone network. 

Customers do not need to purchase any equipment because the system for preventing unauthorized accesses is installed in our backbone network, unlike conventional systems that are installed in customer networks. In addition, we are responsible for operating the system, reducing the workload bourn by administrators.

Secure Option (DDoS,IPS)


Items DDoS security Managed IPS
Outline This service protects customers' network environments from DDoS attacks. It distinguishes DDoS attacks from normal accesses and eliminates what it judges to be abnormal. This service protects customers' network environments from unauthorized access by those exploiting OS vulnerabilities, etc. It checks unauthorized access and eliminates what it judges to be abnormal. 
Policy  Attack detection and protection by traffic flow rate based on the policy set by our company Detection and defense conducted based on signatures provided by the manufacturer
Reports Detection results for the most recent three months can be viewed at a dedicated website. Monthly reports are sent.
Communication speed
Max. 10Gbps Max. 100Mbps
  • * This service is available only in combination with the internet access service.
  • * This service may affect communications that the contractor judges to be normal.
  • * We do not guarantee that this service detects and defends against all unauthorized access of the target network.
  • * This service may be temporarily unavailable due to the expansion of our facilities or other construction work.
  • * This service does not have a minimum usage period.


We provide many services in addition to the services introduced above.

Data center-connected Internet
This is a service to connect to the Internet from the customer's housing rack in the data center. Depending on the customer's usage and budget, there are three types to choose from: the "Proprietary Type" with guaranteed communication speed, the "Shared Type" with best effort, and the "Redundant Type" with redundant configuration using two lines of the "Shared Type".

We offer two plans for customers to choose from according to their purposes of use.

95% billing rule

The maximum speed excluding the top 5% of usage traffic is applied. This plan is useful in the event of a sudden traffic change.

95% billing rule
Average billing rule

Average communication speed of the usage traffic is applied. This plan is suitable if there is a large fluctuation in traffic volume every month.

Average billing rule

Looking forward to
communicating with you.

TOKAI Communications can provide the best solution for your business!