ABUSE.MOM
THREAT REPORT

IP Threat Report
83.94.121.199

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-07-31 20:08:57
First seen: 2026-06-13 22:16:51
Last seen: 2026-06-26 21:05:48
60

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 60/100. Total malicious requests observed: 15.

01

Geolocation & Classification

IP Address
83.94.121.199
Type
Unknown
Country
🇩🇰 DK
City
Aarhus
ISP
TDC Holding A/S
Organization
TDC Holding A/S
Autonomous System
Unknown
Hit Count
15
02

Detection Signatures

SignatureDescriptionPointsSeverity
Directory ScanBehavioral anomaly detected by automated analysis+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

2026-06-13 22:16:51
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Directory Scan
2026-06-26 21:05:48
Last malicious request observed
Total score reached: 60/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
06

Recommendations

Actions taken & recommended

  • IP 83.94.121.199 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

⚙️ Defensive Recommendations

Block 83.94.121.199 at the network perimeter. Implement defense-in-depth combining IP blocking with application-layer protections.

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
bl.blocklist.de
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
b.barracudacentral.org
✓ Clean
zen.spamhaus.org
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl.dronebl.org

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

10

Threat Analysis

83.94.121.199 has been assigned a threat score of 60/100 (High). The IP is rated as a high-level threat. Network administrators should implement blocking rules and monitor for any connections from this address.

📊 Threat Analysis

Threat intelligence analysis has linked 83.94.121.199 to malicious activity originating from Aarhus, DK, operating on the network of TDC Holding A/S. The address has been under observation since its initial detection. The address has been active for 12 days in our monitoring system, producing 15 flagged requests at a rate of ~1.3/day. Our records show 51 malicious IPs originating from DK, positioning it as a notable contributor to global threat activity. At 60/100, this IP presents a meaningful threat. Implement rate limiting with escalation to blocking.

11

Related Threats

🇩🇰 Top threats from DK

158.173.74.223 (308)85.203.47.13 (295)85.203.47.192 (255)85.203.47.213 (255)85.203.47.6 (245)View all →
12

Security Intelligence

💡 TLS Fingerprinting (JA3/JA4)

TLS fingerprinting creates unique identifiers based on how clients negotiate encrypted connections. The JA3 and JA4 methods generate hashes from TLS ClientHello parameters, enabling identification of specific tools and malware regardless of IP address changes.

💡 Data Center IP Reputation

IPs originating from data centers and hosting providers account for a disproportionate amount of malicious traffic. Compromised VPS instances, bulletproof hosting, and abused trial accounts create persistent attack infrastructure that can be difficult to shut down.

🔍 Check Any IP Address

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