IP Intelligence Authority Platform

191.53.128.0/24 subnet

191.53.128.0/24 is a block of 256 IPv4 addresses announced by AS28202 (MASTER S/A), located mainly in Brazil. IPDebrief has analysed 23 addresses in this block; 2 currently carry a higher risk score. Overall the neighbourhood is assessed as clean.

Updated 13 October 2026

Analysed

23

Higher risk

2

Hosting / datacenter

0

VPN, proxy or Tor

0

With reverse DNS

23

Analysed addresses in 191.53.128.0/24

• 191.53.128.107191-53-128-107.pso-wr.mastercabo.com.br · risk 55
• 191.53.128.108191-53-128-108.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.130191-53-128-130.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.148191-53-128-148.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.149191-53-128-149.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.150191-53-128-150.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.159191-53-128-159.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.170191-53-128-170.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.173191-53-128-173.pso-wr.mastercabo.com.br · risk 70
• 191.53.128.175191-53-128-175.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.176191-53-128-176.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.177191-53-128-177.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.185191-53-128-185.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.201191-53-128-201.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.224191-53-128-224.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.227191-53-128-227.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.231191-53-128-231.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.234191-53-128-234.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.236191-53-128-236.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.247191-53-128-247.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.251191-53-128-251.pso-wr.mastercabo.com.br · risk 80
• 191.53.128.253191-53-128-253.pso-wr.mastercabo.com.br · risk 40
• 191.53.128.255191-53-128-255.pso-wr.mastercabo.com.br · risk 40

Related networks

• AS28202
• Brazil
• 191.53.129.0/24 →
• Network directory

About this block

A /24 is the smallest IPv4 block normally routed on the internet, so the 256 addresses inside it usually share one operator and purpose. Looking at a whole block shows whether a single suspicious address is an outlier or part of a pattern: a block where many addresses carry abuse reports, hosting infrastructure or anonymising services deserves more caution than one with a single flagged address.

Only addresses IPDebrief has analysed are listed. Each links to its full profile with ownership, routing, reverse DNS and risk evidence.