ABUSE.MOM
THREAT REPORT

IP Threat Report
157.66.253.242

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 17:31:43
First seen: 2026-03-02 14:00:05
Last seen: 2026-03-25 20:00:06
105

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 105/100. Total malicious requests observed: 5.

DANGER_PATHRATIO_404REDIRECT_PROBEREFERER
01

Geolocation & Classification

IP Address
157.66.253.242
Type
Hosting
Country
🇻🇳 Vietnam
City
Ho Chi Minh City
ISP
Lienvps Technology Company Limited
Organization
Thanh Trang Cloud Computing and Technology Company Limited
Autonomous System
AS150820 LIENVPS TECHNOLOGY COMPANY LIMITED
Hit Count
5
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger medium hits: 4Medium-risk: admin panels, config files+40
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Foreign referer seenReferer from unrelated external domain+10
Danger medium hits: 6Medium-risk: admin panels, config files+60
Σ = 145
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

2026-03-02 14:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger medium hits: 4 (+40), 404 ratio 40-60% (+15), Probe pattern 302->404 same path (+20)
2026-03-25 20:00:06
Last malicious request observed
Total score reached: 105/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Lienvps Technology Company Limited
AS150820 · 🇻🇳 Vietnam
06

Recommendations

Actions taken & recommended

  • IP 157.66.253.242 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 157.66.253.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Directory Scan Defense

IP 157.66.253.242 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

07

Neighbors in 157.66.253.0/24

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
Spamhaus ZEN

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

10

Threat Analysis

157.66.253.242 has been assigned a threat score of 105/100 (Critical). This represents a critical risk level. Our detection systems have flagged multiple high-confidence indicators of malicious intent from this address.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

IP address 157.66.253.242 has been traced to Ho Chi Minh City, Vietnam, operating on the network of Lienvps Technology Company Limited. Our threat detection systems have flagged this address based on observed malicious behavior patterns. During its 23-day observation window, we recorded 5 hostile requests from this IP — roughly 0.2 per day on average. This address belongs to a datacenter or cloud hosting provider. Hosting IPs are frequently leveraged by threat actors who rent cheap VPS instances specifically for conducting attacks. The IP exhibits directory enumeration behavior, systematically requesting non-existent paths to discover hidden files and misconfigured resources. Our records show 140 malicious IPs originating from Vietnam, positioning it as a significant contributor to global threat activity. With a threat score of 105/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇻🇳 Top threats from Vietnam

103.216.118.66 (273)210.2.86.189 (235)103.61.123.221 (235)116.118.47.174 (235)14.225.32.188 (235)View all →

🏢 Same network: AS150820

157.66.252.114 (165)160.30.190.218 (165)160.30.190.116 (140)203.175.97.89 (140)160.30.191.33 (140)View all →
12

Security Intelligence

💡 Directory Traversal Attacks

Path traversal attacks attempt to access files outside the intended directory by manipulating file path references. Attackers use sequences like ../ to reach sensitive system files such as /etc/passwd or application configuration files.

💡 CAPTCHA and Bot Detection

CAPTCHAs remain a primary bot defense but face increasing bypass rates from AI-powered solvers. Modern alternatives include invisible behavioral analysis, proof-of-work challenges, and device fingerprinting that detect bots without impacting user experience.

🔍 Check Any IP Address

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