Energotel (AS31117), major transit operator in Slovakia, has long-term signed prefixes and is filtering from 2025-10-01. Unsigned prefixes announced by AS31117 are "BYOIP" prefixes of Energotel's customers.

https://stats.labs.apnic.net/rpki/AS31117?c=SK&w=1&l=1&v=0&p=thisp&x=thisx