209.191.64.0/24 subnet

IPv4 /24 block

209.191.64.0/24 is a block of 256 IPv4 addresses announced by AS10310 (Yahoo Holdings Inc.), located mainly in United States. IPDebrief has analysed 22 addresses in this block; 3 currently carry a higher risk score. Overall the neighbourhood is assessed as clean.

Updated 2 November 2026

Analysed: 22
Higher risk: 3
Hosting / datacenter: 0
VPN, proxy or Tor: 0
With reverse DNS: 22

Analysed addresses in 209.191.64.0/24

3 higher risk0 moderate19 low

209.191.64.0ae-7.pat1.dce.yahoo.com · risk 25
209.191.64.2ae-11.pat2.dce.yahoo.com · risk 25
209.191.64.50ae-15.pat1.che.yahoo.com · risk 20
209.191.64.52ae-7.pat2.che.yahoo.com · risk 25
209.191.64.54ae-15.pat2.che.yahoo.com · risk 70
209.191.64.56ae-13.pat1.che.yahoo.com · risk 20
209.191.64.71ae-5.pat1.dnx.yahoo.com · risk 70
209.191.64.154ae-11.pat1.nyc.yahoo.com · risk 25
209.191.64.155ae-0.pat2.bfw.yahoo.com · risk 25
209.191.64.180ae-8.pat2.bfy.yahoo.com · risk 25
209.191.64.181ae-3.pat2.bfz.yahoo.com · risk 25
209.191.64.182ae-7.pat2.bfy.yahoo.com · risk 0
209.191.64.183ae-3.pat1.bfz.yahoo.com · risk 25
209.191.64.188ae-13.pat2.bfz.yahoo.com · risk 20
209.191.64.195ae-5.pat1.bfw.yahoo.com · risk 25
209.191.64.198ae-13.pat1.bfz.yahoo.com · risk 25
209.191.64.200ae-14.pat2.bfz.yahoo.com · risk 25
209.191.64.205ae-5.pat2.bfw.yahoo.com · risk 25
209.191.64.206ae-14.pat1.bfz.yahoo.com · risk 0
209.191.64.232ae-6.pat1.gqb.yahoo.com · risk 25
209.191.64.234ae-8.pat2.gqb.yahoo.com · risk 25
209.191.64.236ae-6.pat2.gqb.yahoo.com · risk 70

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.