186.57.48.0/20 covers 186.57.48.0 to 186.57.63.255, 4,096 IPv4 addresses. It is announced by AS22927 (Telefónica de Argentina S.A.). Every sampled address geolocates to Argentina, with 56% in Ezeiza. It is registered to an internet service provider. 13% of sampled addresses are flagged as proxy.