IP Intelligence Authority Platform

37.203.49.0/24 subnet

37.203.49.0/24 is a block of 256 IPv4 addresses announced by AS51173 (MNT-NIALL), located mainly in Ireland. IPDebrief has analysed 15 addresses in this block; 10 currently carry a higher risk score. Overall the neighbourhood is assessed as mostly clean.

Updated 4 November 2026

Analysed

15

Higher risk

10

Hosting / datacenter

0

VPN, proxy or Tor

0

With reverse DNS

0

Analysed addresses in 37.203.49.0/24

• 37.203.49.25risk 40
• 37.203.49.64risk 80
• 37.203.49.66risk 55
• 37.203.49.102risk 80
• 37.203.49.107risk 80
• 37.203.49.108risk 80
• 37.203.49.113risk 80
• 37.203.49.121risk 80
• 37.203.49.122risk 40
• 37.203.49.123risk 40
• 37.203.49.124risk 80
• 37.203.49.126risk 80
• 37.203.49.127risk 40
• 37.203.49.129risk 70
• 37.203.49.132risk 80

Related networks

• AS51173
• Ireland
• ← 37.203.48.0/24
• 37.203.50.0/24 →
• 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.