Thank you for using Asahi Net.

Due to scheduled NTT East and West system maintenance, there will be a delay in processing your requests related to fiber-optic line services.
If you are planning to apply for a new service or if you have plans to move to a different location in early September, please consider submitting your requests ahead of time.
We apologize for the inconvenience this may cause and appreciate your understanding and cooperation.

Please note that your subscribed internet and hikari denwa (fiber-optic phone) services will not be affected and can be used as usual.

Reference (linked pages are only in Japanese):

NTT East

Notice regarding installation work and request submission limitations due to system maintenance, including changes to billing method

NTT West

Notice regarding installation work and request submission limitations due to system maintenance, including changes to billing method

Affected services, request procedures and installation works

Services/Optional services	Unavailable period	Impacts and notices
FTTH with FLET'S/FTTH with FLET’S Cross Asahi Net All Apartments Plan	Sep 1 to 4, 2026	After requests are accepted, they cannot be processed during this period. They will be processed starting September 7, 2026.
FLET’S Hikari Next	Aug 31 to Sep 6, 2026	The requested start date of use for the IPv6 Connection Feature cannot fall within the unavailable period. Please choose a date outside this period. Use of IPv4 Connection (IPoE) will not be affected.
FLET’S Hikari Cross	Aug 31 to Sep 6, 2026	The requested start date of use for the service cannot fall within the unavailable period. Please choose a date outside this period.
IPv6 Connection Feature	Aug 31 to Sep 6, 2026	Activation/deactivation requests cannot be processed during the unavailable period. Requests submitted during the unavailable period will be processed starting September 8, 2026.
DS-Lite (IPIP)(IPv4 over IPv6 Connection)	Aug 31 to Sep 6, 2026	If applications are submitted together with the application for IPv6 Connection Feature, they cannot be processed during the unavailable period. Requests submitted during the unavailable period will be processed starting September 8, 2026. Standalone applications are not affected.

Inquiries regarding this announcement

English Customer Support

If you have any inquiries, please contact us.

Thank you for using Asahi Net and we look forward to continuing to serve you.