IP Intelligence Authority Platform

3.5.128.0/24 subnet

3.5.128.0/24 is a block of 256 IPv4 addresses announced by AS16509 (Amazon Data Services Northern Virginia), located mainly in United States. IPDebrief has analysed 30 addresses in this block; none currently carries a higher risk score. Overall the neighbourhood is assessed as mixed reputation.

Updated 6 November 2026

Analysed

30

Higher risk

0

Hosting / datacenter

6

VPN, proxy or Tor

0

With reverse DNS

26

Analysed addresses in 3.5.128.0/24

• 3.5.128.8s3-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.11s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.71s3.us-east-2.amazonaws.com · risk 25
• 3.5.128.77s3.us-east-2.amazonaws.com · risk 25
• 3.5.128.80s3-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.81s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.83s3-website.us-east-2.amazonaws.com · risk 25
• 3.5.128.101s3-website.us-east-2.amazonaws.com · risk 25
• 3.5.128.104s3-website.us-east-2.amazonaws.com · risk 25
• 3.5.128.108s3-deprecated.us-east-2.amazonaws.com · risk 25
• 3.5.128.110s3.us-east-2.amazonaws.com · risk 25
• 3.5.128.113s3-website.us-east-2.amazonaws.com · risk 25
• 3.5.128.115s3-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.129s3-website.us-east-2.amazonaws.com · risk 25
• 3.5.128.134s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.135s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.144s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.166risk 25
• 3.5.128.176s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.178risk 25
• 3.5.128.184s3-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.195risk 15
• 3.5.128.199s3.us-east-2.amazonaws.com · risk 25
• 3.5.128.203s3-w.us-east-2.amazonaws.com · risk 20
• 3.5.128.207s3-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.212s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.216s3.us-east-2.amazonaws.com · risk 25
• 3.5.128.226s3-r-w.us-east-2.amazonaws.com · risk 25
• 3.5.128.229risk 15
• 3.5.128.251s3-r-w.us-east-2.amazonaws.com · risk 25

Related networks

• AS16509
• United States
• 3.5.129.0/24 →
• 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.