Jcom outages and problems
User reports, last 24 hours
149 reports in total, counted in 15-minute windows
In the last hour, 10 problem reports came in for Jcom, against about 4 at this time on a usual day. Over the last 24 hours there were 149 reports. Most recent reports were about broadband internet (71%) and WiFi (23%). The last spike in reports was 12 h ago and lasted 18 min. These are user reports from Japan, where most people report Jcom problems.
- NormalClose to the usual level24 h · 149 reports
- ElevatedMore than 1.5 times the usual levelNone in this chart
- OutageMore than twice the usual level and far above the day's averageNone in this chart
- Usual levelWhat a usual day sees at that timeAbout 4 an hour now
In the past 24 hours, 149 user reports came in for Jcom. Counting only the 15-minute windows with a spike big enough to count as an outage, that comes to 100.00% uptime for the day.
The busiest 15-minute window had 8 reports, about 15 hours ago. That stays below our outage threshold, so it doesn't count as downtime.
Jcom in November 2026
- Problem reports in November (since 3 November)
- 162
Monthly report for November 2026
What went wrong
What people said was wrong in recent problem reports for Jcom.
Share of 94 recent reports that said what was wrong.
Jcom problem spikes, last 30 days
Since 3 November, Jcom had no outage spikes, but 1 period of elevated reports.
-
Elevated reports
Wed 4 Nov, 14:57–15:15Lasted 18 min10peak reports
A spike is a sharp rise in problem reports from users, kept exactly as this page showed it at the time. This history starts on 3 November 2026. Monthly reports for all services
How to fix Jcom not working
Jcom is up on our end, so if it won't work for you, the problem is most likely on your side. Work through these in order:
Your browser tries to reach jcom.co.jp over your own connection, right now. Nothing is sent to us or stored.
Reload and restart
Reload the page (Ctrl+F5, or Cmd+Shift+R on a Mac), or fully close the app and open it again.
Try another connection
Switch between Wi-Fi and mobile data. If it works on one and not the other, the problem is your network, not Jcom.
Update the app
Install the latest version from the App Store or Google Play. Old versions can stop connecting after a server-side change.
While Jcom is down: what to use instead
- Mobile hotspot If the home internet line is down, use a phone hotspot from docomo, au, SoftBank, or Rakuten Mobile for mail, banking, and messages.
- Antenna TV If cable TV is failing, switch the TV input to a terrestrial or BS tuner if your home has an antenna feed.
- TVer or ABEMA If the set-top box or on-demand video will not load, stream news and catch-up shows over mobile data or another internet line.
- Official status page Check the Jcom official status page for maintenance or outage notices before changing router or TV settings.
Problems at the same time as Jcom
Since 3 November, Jcom's only spike in problem reports overlapped a spike at another service.
When several services get problem reports at once, something they share, such as a cloud host or a network, can be the real cause. Matching times alone do not prove it.
During the latest spike
Jcom: Wed 4 Nov, 14:57 to 15:15
- Klarmobil, outage,05:57 to 23:27
- Postbank, outage,07:12 to 21:27
- Sainsbury’s, outage,07:42 to 5 Nov 00:12
- Banco do Brasil, outage,09:42 to 18:57
- GOV.BR, outage,10:12 to 23:27
- ITV, outage,10:12 to 17:57
- USPS, outage,10:42 to 5 Nov 01:57
- eCAC, outage,11:27 to 20:57
65 more services. Red dot: outage. Amber dot: elevated reports.
A spike is a sharp rise in problem reports from users, as the live pages showed it. Times are Central European time.
When people report Jcom problems
The busiest hour for reports about Jcom is 12:00 to 13:00 Central European time, and the busiest day is Wednesday.
By hour of the day
- 00:00 to 01:00: 0.39 reports on an average day
- 01:00 to 02:00: 0.45 reports on an average day
- 02:00 to 03:00: 0.29 reports on an average day
- 03:00 to 04:00: 0.16 reports on an average day
- 04:00 to 05:00: 0.16 reports on an average day
- 05:00 to 06:00: 0.11 reports on an average day
- 06:00 to 07:00: 0.14 reports on an average day
- 07:00 to 08:00: 0.15 reports on an average day
- 08:00 to 09:00: 0.21 reports on an average day
- 09:00 to 10:00: 0.34 reports on an average day
- 10:00 to 11:00: 0.25 reports on an average day
- 11:00 to 12:00: 0.33 reports on an average day
- 12:00 to 13:00: 0.46 reports on an average day
- 13:00 to 14:00: 0.3 reports on an average day
- 14:00 to 15:00: 0.38 reports on an average day
- 15:00 to 16:00: 0.28 reports on an average day
- 16:00 to 17:00: 0.17 reports on an average day
- 17:00 to 18:00: 0.07 reports on an average day
- 18:00 to 19:00: 0.28 reports on an average day
- 19:00 to 20:00: 0.07 reports on an average day
- 20:00 to 21:00: 0.04 reports on an average day
- 21:00 to 22:00: 0 reports on an average day
- 22:00 to 23:00: 0.2 reports on an average day
- 23:00 to 00:00: 0.12 reports on an average day
By day of the week
- Monday: 0 reports on an average Monday
- Tuesday: 0.09 reports on an average Tuesday
- Wednesday: 34 reports on an average Wednesday
- Thursday: 5.3 reports on an average Thursday
- Friday: 0 reports on an average Friday
- Saturday: 0 reports on an average Saturday
- Sunday: 0 reports on an average Sunday
Each bar is the average number of user reports in that hour, or on that day of the week, from 29 days of reports since 5 October 2026. The busiest bar is highlighted. Spikes in reports are left out, so one outage does not set the pattern.
Jcom IP address, servers and network
Checking jcom.co.jp from our server…
Service updates from @jcom_info
No posts about problems from @jcom_info in the last 14 days. The latest is from .
Contact Jcom support
- Official status pagejcom.co.jp/maintenance_outage.html
- Help centrejcom.co.jp/contact/contact_service.php?pg=1
- Websitejcom.co.jp
- X (Twitter)x.com/jcom_info
Tip: when Jcom is down, its official status page is the quickest way to confirm the cause and see when a fix is expected.
Put the Jcom status badge on your site
Paste one of these into a web page, a blog post or a README. The badge shows the same status as this page, based on user problem reports. Browsers can keep a copy for up to 4 hours. It links back here.
<a href="https://isitdownrightnow.app/services/jcom/"><img src="https://isitdownrightnow.app/badge/jcom.svg" alt="Jcom status" height="20"></a>[](https://isitdownrightnow.app/services/jcom/)The badge is a plain image: no scripts, no cookies. People who see it on your page load it from our server.
How we track Jcom
The status on this page comes from user-submitted problem reports for Jcom, counted in 15-minute windows over the last 24 hours. Each window is compared with the normal level for Jcom, so a few complaints on a quiet day don't trigger anything, but a sudden jump well above normal does.
When reports climb well above normal, the status here changes to partial outage or major outage and the chart moves with it. This is separate from Jcom's official status page: user reports tend to show a problem early, while the official page confirms the cause. If the two disagree, check both.