From the article:

Ukraine's Digital Transformation Ministry said around 100,000 households in Kyiv and Kyiv Oblast experienced internet problems following the Sept. 23 drone attack, as specialists worked to assess the damage and restore stable service.

"This is the beginning of a phase where, since September, they have started taking it out systematically," Anatolii Frolenkov, a representative of the 1-IX internet exchange point, told the Kyiv Independent.

[...]

Despite the recent damage, Frolenkov said knocking out internet access across Ukraine would be extremely difficult.

Providers can limit the impact of individual strikes by duplicating network equipment, maintaining backup communications routes, and distributing infrastructure across different locations, including outside Ukraine, he said.

But that strategy is expensive, leaving many providers without sufficient backup infrastructure, more vulnerable when equipment is destroyed.