ABUSE.MOM
THREAT REPORT

IP Threat Report
123.21.184.243

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 08:53:35
First seen: 2026-03-26 05:00:07
Last seen: 2026-03-26 05:00:07
60

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 60/100. Total malicious requests observed: 1.

DANGER_PATHRATIO_404REFERER
01

Geolocation & Classification

IP Address
123.21.184.243
Type
Residential
Country
🇻🇳 Vietnam
City
Ho Chi Minh City
ISP
VietNam Post and Telecom Corporation
Organization
Vietnam Posts and Telecommunications Group
Autonomous System
AS45899 VNPT Corp
Hit Count
1
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Foreign referer seenReferer from unrelated external domain+10
Σ = 60
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

2026-03-26 05:00:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger strong hits: 1 (+25), 404 ratio >= 60% (+25), Foreign referer seen (+10)
2026-03-26 05:00:07
Last malicious request observed
Total score reached: 60/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

VietNam Post and Telecom Corporation
AS45899 · 🇻🇳 Vietnam
06

Recommendations

Actions taken & recommended

  • IP 123.21.184.243 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Path Enumeration Protection

Block scanning from 123.21.184.243: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

123.21.184.243 has been assigned a threat score of 60/100 (High). This classifies it as a high-severity threat. Proactive blocking is recommended for sensitive infrastructure.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

Network traffic from 123.21.184.243, located in Ho Chi Minh City, Vietnam, operating on the network of VietNam Post and Telecom Corporation, has been classified as malicious by our automated threat scoring engine. Our sensors captured 1 malicious requests from this address across a 1-day span, reflecting a sustained attack cadence of ~1 requests per day. Operating from a residential network, this IP may represent a compromised home gateway or IoT device that has been drafted into a larger attack infrastructure. Active path scanning has been detected — this IP probes for hundreds of common file and directory names. Our records show 196 malicious IPs originating from Vietnam, positioning it as a significant contributor to global threat activity. The score of 60/100 warrants active monitoring and rate-limiting. Full blocking is advisable for sensitive systems.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

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: AS45899

14.174.108.137 (163)14.241.96.71 (155)203.210.222.126 (150)123.30.233.48 (130)14.178.10.112 (130)View all →
12

Security Intelligence

💡 SQL Injection Campaigns

SQL injection remains one of the most common web attack vectors. Attackers inject malicious SQL code through input fields to extract database contents, modify data, or gain administrative access. Automated scanners test for SQLi vulnerabilities at massive scale.

💡 Responsible Disclosure Ethics

Responsible disclosure balances public safety with giving vendors time to patch vulnerabilities. The security community generally supports coordinated disclosure timelines, but disagreements about appropriate timeframes and full disclosure continue to drive policy debates.

🔍 Check Any IP Address

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