138.255.144.0/23 covers 138.255.144.0 to 138.255.145.255, 512 IPv4 addresses. It is announced by AS28210 (Giga Mais Fibra Telecomunicacoes S.A.). Every sampled address geolocates to Brazil, with 100% in Nova Friburgo. It is registered to an internet service provider. 59% of sampled addresses are flagged as proxy.