ABUSE.MOM
THREAT REPORT

IP Threat Report
193.37.32.166

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-21 18:03:51
First seen: 2026-02-19 01:00:06
Last seen: 2026-05-06 01:00:05
170

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 170/100. Total malicious requests observed: 4.

BOT_UADANGER_PATHREFERER
01

Geolocation & Classification

IP Address
193.37.32.166
Type
VPN/Proxy
Country
🇸🇬 Singapore
City
Singapore
ISP
F.N.S. HOLDINGS LIMITED
Organization
VPN Consumer Singapore, Republic of Singapore
Autonomous System
AS206092 F.N.S. HOLDINGS LIMITED
Hit Count
4
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA bot: Go-http-clientKnown bot/crawler User-Agent detected+40
Danger strong hits: 13High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 12Medium-risk: admin panels, config files+60
Foreign referer seenReferer from unrelated external domain+10
Σ = 210
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-02-19 01:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA bot: Go-http-client (+40), Danger strong hits: 13 (+100), Danger medium hits: 12 (+60)
2026-05-06 01:00:05
Last malicious request observed
Total score reached: 170/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

F.N.S. HOLDINGS LIMITED
AS206092 · 🇸🇬 Singapore
06

Recommendations

Actions taken & recommended

  • IP 193.37.32.166 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 193.37.32.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🤖 Bot Detection

Address UA spoofing from 193.37.32.166: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 193.37.32.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

09

Blacklist Status (DNSBL)

This IP was checked against major DNS-based blacklists used by mail servers and firewalls worldwide.

⛔ LISTED
zen.spamhaus.org
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
dnsbl.sorbs.net
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
psbl.surriel.com
✓ Clean
b.barracudacentral.org
✓ Clean
truncate.gbudb.net

Checked: Spamhaus, SpamCop, Barracuda, SORBS, CBL, UCEProtect. Results may change over time.

10

Threat Analysis

193.37.32.166 has been assigned a threat score of 170/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

User-Agent Anomaly

📊 Threat Analysis

Threat intelligence analysis has linked 193.37.32.166 to malicious activity originating from Singapore, Singapore, operating on the network of F.N.S. HOLDINGS LIMITED. The address has been under observation since its initial detection. Our sensors captured 4 malicious requests from this address across a 75-day span, reflecting a sustained attack cadence of ~0.1 requests per day. Classified as a VPN or proxy server, this IP serves as an anonymization layer. While VPNs have legitimate uses, this address has been observed routing clearly malicious traffic. The IP exhibits User-Agent manipulation, switching between different browser identities or sending empty headers. With 156 flagged addresses, Singapore represents a significant presence in our threat database. A score of 170/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇸🇬 Top threats from Singapore

85.203.23.12 (340)85.203.23.31 (330)84.17.39.195 (325)192.166.246.30 (325)85.203.21.101 (320)View all →

🏢 Same network: AS206092

103.163.220.216 (340)85.203.21.101 (320)85.203.21.157 (310)85.203.21.172 (305)91.217.249.222 (305)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 Command Injection Techniques

Command injection occurs when attackers insert operating system commands through application inputs. Successful exploitation grants direct server access, enabling data theft, malware installation, and lateral movement across networks.

🔍 Check Any IP Address

Share this report: