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DENVER — Service has been restored after several internet users experienced outages across the country on Monday, according to multiple reports.

Comcast’s internet service, Xfinity, appeared to be hardest hit by the issue.

A map on DownDectector.com shows the outage hitting major cities such as San Francisco, Boston and Seattle. Home internet was also down in parts of Colorado.

Screenshot from DownDectector.com at 12:45 p.m.

Around 1:30 p.m., Comcast said on its costumer cares account the service was restored to those affected.

Colorado-based Level 3 communications said its “network experienced a disruption affecting some IP customers due to a configuration error.”

https://twitter.com/Level3NOC/status/927633534424141824

It is unknown when the outage started, but some people report their internet was down for hours before being restored in the afternoon.

The problem did not appear to be affecting home television or phone service.

BRG reports Spectrum, AT&T and Verizon costumers also reported outages but at much slower rates.