ABUSE.MOM
THREAT REPORT

IP Threat Report
138.16.177.140

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-07-29 22:14:38
First seen: 2026-05-27 22:19:04
Last seen: 2026-06-27 23:55:17
100

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 100/100. Total malicious requests observed: 49431.

01

Geolocation & Classification

IP Address
138.16.177.140
Type
Unknown
Country
🇺🇸 United States
City
Providence
ISP
Brown University
Organization
Brown University
Autonomous System
Unknown
Hit Count
49431
02

Detection Signatures

SignatureDescriptionPointsSeverity
DDoS / FloodBehavioral anomaly detected by automated analysis+0
SpamSpam/malware keywords in request content+0
Σ = 0
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

2026-05-27 22:19:04
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
DDoS / Flood, Spam
2026-06-27 23:55:17
Last malicious request observed
Total score reached: 100/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
06

Recommendations

Actions taken & recommended

  • IP 138.16.177.140 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

📧 Content Abuse Prevention

IP 138.16.177.140 is flooding forms with spam. Implement time-based tokens and block IPs submitting more than 5 forms per hour.

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
zen.spamhaus.org
✓ Clean
bl.blocklist.de
✓ Clean
dnsbl.dronebl.org
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com
✓ Clean
bl.spamcop.net

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

10

Threat Analysis

138.16.177.140 has been assigned a threat score of 100/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

📊 Threat Analysis

The address 138.16.177.140 originates from Providence, United States, operating on the network of Brown University. It was identified through automated analysis of incoming network traffic across monitored endpoints. During its 31-day observation window, we recorded 49,431 hostile requests from this IP — roughly 1594.5 per day on average. United States currently accounts for 101 blocked IPs in our database, making it a significant source of malicious traffic. With a threat score of 100/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

11

Related Threats

🇺🇸 Top threats from United States

104.28.246.115 (350)104.28.214.122 (350)103.168.66.237 (340)34.187.158.4 (340)34.186.187.208 (340)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.

💡 Emerging Threats from AI-Powered Attacks

Artificial intelligence enables more convincing phishing content, faster vulnerability discovery, and adaptive attack strategies that learn from defensive responses. AI-generated social engineering and automated exploit development represent growing threats.

🔍 Check Any IP Address

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