IPDebrief IP Intelligence Authority Platform

18.161.21.0/24 subnet

IPv4 /24 block

18.161.21.0/24 is a block of 256 IPv4 addresses announced by AS16509 (Amazon.com, Inc.), located mainly in United States. IPDebrief has analysed 125 addresses in this block; none currently carries a higher risk score. Overall the neighbourhood is assessed as mixed reputation.

Updated

Analysed
125
Higher risk
0
Hosting / datacenter
18
VPN, proxy or Tor
0
With reverse DNS
125

Analysed addresses in 18.161.21.0/24

0 higher risk0 moderate125 low

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.