Uncovering BGP Action Communities and Community Squatters in the Wild. - Brivaldo Alves da Silva; Adriano Bastos de Carvalho; Ítalo S. Cunha; Timur Friedman; Ethan Katz-Bassett; Ronaldo Alves Ferreira (Proc. ACM Meas. Anal. Comput. Syst., 2024)