ABUSE.MOM
THREAT REPORT

IP Threat Report
88.255.41.28

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-28 18:21:23
First seen: 2026-06-28 14:47:29
Last seen: 2026-10-28 18:09:39
75

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 75/100. Total malicious requests observed: 6563.

BOT_UAREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
88.255.41.28
Type
Residential
Country
🇹🇷 Turkey
City
Ankara
ISP
Turk Telekomunikasyon Anonim Sirketi
Organization
TurkTelekom
Autonomous System
AS9121 Turk Telekomunikasyon Anonim Sirketi
Hit Count
6563
02

Detection Signatures

SignatureDescriptionPointsSeverity
Foreign refererReferer from unrelated external domain+10
UA bot: Go-http-clientKnown bot/crawler User-Agent detected+40
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 75
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

2026-06-28 14:47:29
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Foreign referer (+10), UA bot: Go-http-client (+40), UA changed (+25)
2026-10-28 18:09:39
Last malicious request observed
Total score reached: 75/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Turk Telekomunikasyon Anonim Sirketi
AS9121 · 🇹🇷 Turkey

We have detected 156 malicious IPs from this autonomous system.

View all IPs from AS9121 →
06

Recommendations

Actions taken & recommended

  • IP 88.255.41.28 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

🤖 User-Agent Anomaly Defense

IP 88.255.41.28 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
spam.dnsbl.sorbs.net
✓ Clean
dnsbl.dronebl.org
✓ Clean
bl.blocklist.de
✓ Clean
psbl.surriel.com
✓ Clean
cbl.abuseat.org
✓ Clean
zen.spamhaus.org
✓ Clean
bl.spamcop.net
✓ Clean
b.barracudacentral.org

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

10

Threat Analysis

88.255.41.28 has been assigned a threat score of 75/100 (High). The IP is rated as a high-level threat. Network administrators should implement blocking rules and monitor for any connections from this address.

The following attack categories were identified:

User-Agent Anomaly

📊 Threat Analysis

Network traffic from 88.255.41.28, located in Ankara, Turkey, operating on the network of Turk Telekomunikasyon Anonim Sirketi, has been classified as malicious by our automated threat scoring engine. Our sensors captured 6,563 malicious requests from this address across a 122-day span, reflecting a sustained attack cadence of ~53.8 requests per day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. Detected suspicious User-Agent anomalies including empty, forged, or rapidly rotating UA strings — characteristic of automated scanning tools. Our records show 557 malicious IPs originating from Turkey, positioning it as a major contributor to global threat activity. A threat score of 75/100 places this IP in the high-risk category. Blocking at the firewall level is recommended.

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 Turkey

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🏢 Same network: AS9121

88.241.93.37 (215)78.175.51.241 (165)88.234.4.227 (165)88.227.73.39 (165)78.190.42.244 (140)View all →
12

Security Intelligence

💡 HTTP Header Analysis for Threat Detection

Examining HTTP headers beyond User-Agent reveals attack tools and automated scripts. Missing standard headers, unusual ordering, non-standard values, and inconsistencies with claimed client identity all serve as reliable detection signals.

💡 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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