IP Intelligence Authority Platform

64.125.21.0/24 subnet

64.125.21.0/24 is a block of 256 IPv4 addresses announced by AS6461 (Zayo Bandwidth), located mainly in United States. IPDebrief has analysed 16 addresses in this block; none currently carries a higher risk score. Overall the neighbourhood is assessed as mostly clean.

Updated 6 November 2026

Analysed

16

Higher risk

0

Hosting / datacenter

0

VPN, proxy or Tor

0

With reverse DNS

16

Analysed addresses in 64.125.21.0/24

• 64.125.21.17ae16.er1.cdg20.fr.zip.zayo.com · risk 25
• 64.125.21.19ae2.cr2.yul2.ca.zip.zayo.com · risk 15
• 64.125.21.23ae0.cr2.bil1.us.zip.zayo.com · risk 25
• 64.125.21.55ae6.er2.atl10.us.zip.zayo.com · risk 25
• 64.125.21.61ae29.mpr1.den2.us.zip.zayo.com · risk 20
• 64.125.21.74ae4.mpr4.phl2.us.zip.zayo.com · risk 20
• 64.125.21.117ae15.ter1.iad10.us.zip.zayo.com · risk 25
• 64.125.21.121ae8.mpr1.dus1.de.zip.zayo.com · risk 25
• 64.125.21.123ae2.mcr1.ewr5.us.zip.zayo.com · risk 25
• 64.125.21.165ae2.er1.chd2.us.zip.zayo.com · risk 25
• 64.125.21.171ae16.cr1.sjc1.us.zip.zayo.com · risk 25
• 64.125.21.181ae29.ter1.atl1.us.zip.zayo.com · risk 25
• 64.125.21.187ae6.cr1.kcy2.us.zip.zayo.com · risk 0
• 64.125.21.202ae7.mcs1.las2.us.zip.zayo.com · risk 25
• 64.125.21.225ae13.mcs1.lhr11.uk.zip.zayo.com · risk 25
• 64.125.21.245ae8.cr1.yyz1.ca.zip.zayo.com · risk 25

Related networks

• AS6461
• United States
• ← 64.125.20.0/24
• 64.125.22.0/24 →
• 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.