Viasat reported Monday that it believes “a cyber function” disrupted its satellite-world-wide-web assistance in Ukraine, with an ongoing outage less than investigation.

“Viasat is encountering a partial network outage — impacting world-wide-web provider for fastened broadband buyers in Ukraine and elsewhere on our European KA-SAT network,” the California-centered corporation reported in a assertion to CNBC.

“We are investigating and analyzing our European network and methods to detect the root result in and are getting more community safeguards to reduce further more impacts though we endeavor to get well support to affected consumers.”

The outage began on Feb. 24, the working day Russia invaded Ukraine, according to the firm, which said it notified “regulation enforcement and government partners,” adding it has “no indication that consumer knowledge is included.”

It is unclear how a lot of consumers Viasat has in Ukraine, and the firm declined to say how numerous are becoming afflicted.

Shares of Viasat were up 3.5% in midday investing Monday at about $45.

Viasat operates huge satellites in geosynchronous orbit — which means they are stationary at a issue about 35,000 kilometers from Earth to increase coverage space.

That is the standard process of furnishing broadband provider from place, but a number of providers are pouring cash into acquiring networks in low-Earth orbit that benefit from hundreds or countless numbers of satellites — this kind of as SpaceX’s Starlink.