187.4.16.0/21 covers 187.4.16.0 to 187.4.23.255, 2,048 IPv4 addresses. It is announced by AS8167 (V.tal Rede Neutra de Telecomunicações S.A.). Every sampled address geolocates to Brazil, with 50% in Sao Paulo. It is registered to an internet service provider. 9% of sampled addresses are flagged as proxy.
| Prefix | First IP | Last IP | No. of IPs |
|---|---|---|---|
| 187.4.16.0/24 | |||
| 187.4.17.0/24 | |||
| 187.4.18.0/24 | |||
| 187.4.19.0/24 | |||
| 187.4.20.0/24 | |||
| 187.4.21.0/24 | |||
| 187.4.22.0/24 | |||
| 187.4.23.0/24 |