Spot spam backlinks quickly in Ahrefs by using the "Best links" exclusion list...

https://stateofseo.com/how-do-i-know-if-a-domain-is-a-pbn-network-site/

Spot spam backlinks quickly in Ahrefs by using the "Best links" exclusion list to filter out low-quality links during analysis. Keep in mind Ahrefs doesn’t offer a spam score, so this filtering is just to clean up your view—not for disavow