Support Top Accounts and Services Account Status Confirm/Change Registered Information Billing Statement View/Change Credit Card Information Confirm ID Change/Reset Password Register/Change Contact Email Address Email Account Maintenance Moving Procedure Fixed IP Address Option Online Security Data Backup Service IP-Phone Service Personal Homepage Service Mobile Services au Hikari Supplementary Service Other Services Cancellation and Settings Accounts and Services Asahi Net Services Fiber-Optics (FTTH) Mobile Services Online Security Services Fixed IP Address Option IP-Phone Email Service Data Backup Services TV Services Blogs/Personal Homepage Web Hosting Service Donation Programs Asahi Net Services Settings Guide Internet Connection Fiber-Optics (FTTH) Network ADSL Network Dial-up Connection Mobile Network Fixed IP Address Option Email Account Personal Homepage IP-Phone Service Online Security Data Backup Service (Japanese) Device Configuration Others Choose by Network FTTH with FLET'S Asahi Net au Hikari Asahi Net Fiber-Optics (FTTH) Asahi Net DocomoHikari Asahi Net WiMAX 2+ Asahi Net LTE (ANSIM) FLET'S ADSL Neo-Discount ADSL(50M/12M) Other Services Support Top Maintenance Updates Online Security Security Updates Blogs by Kaspersky Threats on Internet. Your To-Do List [Tip 1] What is Computer Virus? Points to countermeasure. [Tip 2] The number of SPAM and malicious emails are rising! [Tip 3] Internet fraud is evolving. How does it work and how can we prevent? [Tip 4] Online identity theft. How can we protect ourselves? [Tip 5] Your PC could be the next target! What happens when you are hacked and how to prevent it. Asahi net's online Security Service Asahi Net Policies and Practices for Security Information Security Outbound Port 25 Blocking (OP25B) Implementation Inbound Port 53 Blocking (IP53B) Implementation References FAQs FAQs about Joining Asahi Net FAQs about Your Account Your Account FAQs about Your Email Account Email Email - Extended Functions (Japanese) Email Virus Check Neo-SpamBlock FAQs about Personal Web Hosting Service Personal Homepage Service Virtual Domain Web Hosting (Japanese) MMJP Homepage Service (Japanese) CGI : Form Decoding FAQs about Online Security Service Kaspersky Security (Japanese) Email Virus Check Neo-SpamBlock i-Filter (Japanese) FAQs about Data Backup Service For Windows - Unlimited Data Backup(AOS) (Japanese) For Mobile Devices - Unlimited Data Backup(AOS) (Japanese) FAQs about Web Contents Services All-you-can-read Tabho (Japanese) FAQs about Courses by Network Types Asahi Net FTTH with FLET'S Asahi Net Hikari (For FLET’S Users)(Japanese) Asahi Net Hikari (For the first time users of Fiber-Optic lines)(Japanese) Asahi Net DocomoHikari (Japanese) Asahi Net au Hikari FLET’S Hikari Next/ FLET’S Hikari Lite / B FLET’S / FLET’S Hikari Premium ADSL Network FLET’S ADSL BB Entry Neo-Discount ADSL(50M/12M) / Neo-Discount ADSL (IP Phone Available)(Japanese) ADSL Tokai / Lite ADSL Tokai FAQs about Mobile Network Asahi Net WiMAX 2+ Asahi Mobile WiMAX Asahi Net LTE ANSIM(Data SIM) Asahi Net LTE ANSIM(Voice SIM) High Speed Mobile (Xi-LTE & FOMA-3G Compatible) (Japanese) Asahi Net Wi-Fi Wi2("Witsu") FAQs about Managed Router for Small Businesses Asahi Net Managed Router (Japanese) FAQs about Other Network Services Dial-up Connection FAQs about Fixed IP Address Option FAQs about IP-Phone IP-Phone-C FAQs for Business Service Members FAQs IPv6 and IPv6 Connection Feature IPv6 General What is IPv6? What is IPv4 over IPv6? What is DS-Lite? What is the difference between IPv4 over IPv6 (DS-Lite) and IPv4 (PPPoE)? What type of service is the FLET'S v6 Option? Is it better to start using IPv6 now? What are the IPv6-compatible operating systems (OS)? Would there be any points to be cautious in terms of security when using IPv6? Details of Asahi Net IPv6 Connection Feature Would there be an additional cost to use IPv6 Connection Feature? Are there any services that cannot be used by connecting with IPv6? Can I use IPv4 and IPv6 together with one line (one subscription)? If I apply for IPv4 over IPv6 (DS-Lite), will I not be able to use IPv4 (PPPoE) anymore? What are the unavailable communications or functions for IPv4 over IPv6 (DS-Lite)? Which one is recommended? IPv4 over IPv6 (DS-Lite) or IPv4 (PPPoE)? Can I use fixed IP address with IPv6? Can I communicate using Port 25? Start Using IPv6 Connection Feature What should I do to use IPv6 Internet connection with Asahi Net? Where can I find my NTT customer ID, which is required for the registration of IPv6 Connection Feature? After I apply for the corresponding course, when can I start using IPv6? I’m using the IPv6 service provided by another company. Can I use IPv6 with Asahi Net, too? I am using Asahi Net’s Course that does not support IPv6 Connection Feature. What should I do if I want to use the IPv6 Connection Feature? I received an email message from Asahi Net notifying "registration was not completed." What should I do? Confirmation and Request after Start of Use How can I check whether IPv6 Connection Feature is ready to use or not? Where can I check my status? I am currently using IPv6 (IPoE) with IPv6 Connection Feature. What do I need to do in order to use IPv4 over IPv6 (DS-Lite)? Is it possible to stop using Asahi Net IPv6 Connection Feature? If I cancel NTT's FLET'S v6 Option when I am using IPv6 Connection Feature, what will happen? Usage Environment In what timing can I connect to IPv6? What are the routers compatible to Asahi Net’s IPv6 Connection Feature? Would IPv6 possibly improve the communication speed? After I apply for IPoE service, can I still use devices (some of the game devices, surveillance cameras, etc.) that only support IPv4 connection? I am currently using an application that requires port forwarding configuration for IPv4. Will I not be able to configure port forwarding if I apply for IPoE service? Can I use VPN? Can I use surveillance camera? How to Connect/Check Is there any configuration necessary to apply to my PCs and routers in order to use the IPv6 Connection Feature? Can I use IPv6 Connection Feature without a router? How can I check to see if I am using IPv6? What do I need in order to communicate with IPv4 over IPv6 (DS-Lite)? Can I manually set the necessary information for IPv4 over IPv6 (DS-Lite) on my router? PPPoE status on the router side is still inactive even after I start using IPv6. How can I change the setting? Support Top Accounts and Services Account Status Confirm/Change Registered Information Billing Statement View/Change Credit Card Information Confirm ID Change/Reset Password Register/Change Contact Email Address Email Account Maintenance Moving Procedure Fixed IP Address Option Online Security Data Backup Service IP-Phone Service Personal Homepage Service Mobile Services au Hikari Supplementary Service Other Services Cancellation and Settings Accounts and Services Asahi Net Services Fiber-Optics (FTTH) Mobile Services Online Security Services Fixed IP Address Option IP-Phone Email Service Data Backup Services TV Services Blogs/Personal Homepage Web Hosting Service Donation Programs Asahi Net Services Settings Guide Internet Connection Fiber-Optics (FTTH) Network ADSL Network Dial-up Connection Mobile Network Fixed IP Address Option Email Account Personal Homepage IP-Phone Service Online Security Data Backup Service (Japanese) Device Configuration Others Choose by Network FTTH with FLET'S Asahi Net au Hikari Asahi Net Fiber-Optics (FTTH) Asahi Net DocomoHikari Asahi Net WiMAX 2+ Asahi Net LTE (ANSIM) FLET'S ADSL Neo-Discount ADSL(50M/12M) Other Services Support Top Maintenance Updates Online Security Security Updates Blogs by Kaspersky Threats on Internet. Your To-Do List [Tip 1] What is Computer Virus? Points to countermeasure. [Tip 2] The number of SPAM and malicious emails are rising! [Tip 3] Internet fraud is evolving. How does it work and how can we prevent? [Tip 4] Online identity theft. How can we protect ourselves? [Tip 5] Your PC could be the next target! What happens when you are hacked and how to prevent it. Asahi net's online Security Service Asahi Net Policies and Practices for Security Information Security Outbound Port 25 Blocking (OP25B) Implementation Inbound Port 53 Blocking (IP53B) Implementation References FAQs FAQs about Joining Asahi Net FAQs about Your Account Your Account FAQs about Your Email Account Email Email - Extended Functions (Japanese) Email Virus Check Neo-SpamBlock FAQs about Personal Web Hosting Service Personal Homepage Service Virtual Domain Web Hosting (Japanese) MMJP Homepage Service (Japanese) CGI : Form Decoding FAQs about Online Security Service Kaspersky Security (Japanese) Email Virus Check Neo-SpamBlock i-Filter (Japanese) FAQs about Data Backup Service For Windows - Unlimited Data Backup(AOS) (Japanese) For Mobile Devices - Unlimited Data Backup(AOS) (Japanese) FAQs about Web Contents Services All-you-can-read Tabho (Japanese) FAQs about Courses by Network Types Asahi Net FTTH with FLET'S Asahi Net Hikari (For FLET’S Users)(Japanese) Asahi Net Hikari (For the first time users of Fiber-Optic lines)(Japanese) Asahi Net DocomoHikari (Japanese) Asahi Net au Hikari FLET’S Hikari Next/ FLET’S Hikari Lite / B FLET’S / FLET’S Hikari Premium ADSL Network FLET’S ADSL BB Entry Neo-Discount ADSL(50M/12M) / Neo-Discount ADSL (IP Phone Available)(Japanese) ADSL Tokai / Lite ADSL Tokai FAQs about Mobile Network Asahi Net WiMAX 2+ Asahi Mobile WiMAX Asahi Net LTE ANSIM(Data SIM) Asahi Net LTE ANSIM(Voice SIM) High Speed Mobile (Xi-LTE & FOMA-3G Compatible) (Japanese) Asahi Net Wi-Fi Wi2("Witsu") FAQs about Managed Router for Small Businesses Asahi Net Managed Router (Japanese) FAQs about Other Network Services Dial-up Connection FAQs about Fixed IP Address Option FAQs about IP-Phone IP-Phone-C FAQs for Business Service Members