ABUSE.MOM
THREAT REPORT

IP Threat Report
183.91.14.218

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-24 21:35:34
First seen: 2026-09-18 10:39:04
Last seen: 2026-09-20 02:17:53
255

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 255/100. Total malicious requests observed: 41.

BURSTDANGER_PATHUA_CHANGED
01

Geolocation & Classification

IP Address
183.91.14.218
Type
Residential
Country
🇻🇳 Vietnam
City
Hanoi
ISP
CMC Telecom Infrastructure Company
Organization
CMCTELECOM
Autonomous System
AS38732 CMC Telecom Infrastructure Company
Hit Count
41
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 12/10sAbnormally fast request rate — automated scanning+35
Burst 6/2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 12Medium-risk: admin panels, config files+60
Danger strong hits: 12High-risk paths: shells, RCE vectors, exploits+100
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 255
03

Observed Activity

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

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-09-18 10:39:04
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 12/10s (+35), Burst 6/2s (+35), Danger medium hits: 12 (+60)
2026-09-20 02:17:53
Last malicious request observed
Total score reached: 255/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

CMC Telecom Infrastructure Company
AS38732 · 🇻🇳 Vietnam
06

Recommendations

Actions taken & recommended

  • IP 183.91.14.218 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

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 183.91.14.218.

🤖 User-Agent Anomaly Defense

IP 183.91.14.218 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

09

Blacklist Status (DNSBL)

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

✓ Clean
cbl.abuseat.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
zen.spamhaus.org
✓ Clean
bl.blocklist.de
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com
✓ Clean
dnsbl.dronebl.org

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

10

Threat Analysis

183.91.14.218 has been assigned a threat score of 255/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

Request FloodingUser-Agent Anomaly

📊 Threat Analysis

IP address 183.91.14.218 has been traced to Hanoi, Vietnam, operating on the network of CMC Telecom Infrastructure Company. Our threat detection systems have flagged this address based on observed malicious behavior patterns. The address has been active for 1 days in our monitoring system, producing 41 flagged requests at a rate of ~41/day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The dual attack vectors of Request Flooding combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. With 1,185 flagged addresses, Vietnam represents a major presence in our threat database. A score of 255/100 places this address in the top tier of severity. Block and investigate any historical connections.

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

103.98.152.152 (285)180.93.0.112 (280)103.216.118.66 (273)163.223.211.27 (253)160.191.89.83 (240)View all →

🏢 Same network: AS38732

View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Threat Intelligence Sharing Frameworks

Standards like STIX/TAXII, MISP, and OpenIOC enable automated sharing of threat intelligence between organizations. Collective defense through shared indicators, tactics, and procedures strengthens the entire security community against common threats.

🔍 Check Any IP Address

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