89.181.192.0/18 covers 89.181.192.0 to 89.181.255.255, 16,384 IPv4 addresses. It is announced by AS2860 (NOS Comunicações, S.A.). Every sampled address geolocates to Portugal, with 16% in Lisbon. It is registered to an internet service provider. 6% of sampled addresses are flagged as proxy.