131.100.11.0/24 subnet

IPv4 /24 block

131.100.11.0/24 is a block of 256 IPv4 addresses announced by AS53065 (Opcao Telecom), located mainly in Brazil. IPDebrief has analysed 8 addresses in this block; 2 currently carry a higher risk score. Overall the neighbourhood is assessed as clean.

Updated 8 October 2026

Analysed: 8
Higher risk: 2
Hosting / datacenter: 0
VPN, proxy or Tor: 0
With reverse DNS: 8

Analysed addresses in 131.100.11.0/24

2 higher risk3 moderate3 low

131.100.11.5959.11.100.131.dynamic.opcaotelecom.net.br · risk 80
131.100.11.7272.11.100.131.dynamic.opcaotelecom.net.br · risk 40
131.100.11.134134.11.100.131.dynamic.opcaotelecom.net.br · risk 20
131.100.11.180180.11.100.131.dynamic.opcaotelecom.net.br · risk 40
131.100.11.205205.11.100.131.dynamic.opcaotelecom.net.br · risk 55
131.100.11.207207.11.100.131.dynamic.opcaotelecom.net.br · risk 80
131.100.11.228228.11.100.131.dynamic.opcaotelecom.net.br · risk 25
131.100.11.229229.11.100.131.dynamic.opcaotelecom.net.br · risk 25

Related networks

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.