ABUSE.MOM
THREAT REPORT

IP Threat Report
110.138.83.28

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-13 02:01:34
First seen: 2026-08-19 20:30:39
Last seen: 2026-08-23 02:00:49
130

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 130/100. Total malicious requests observed: 159.

DANGER_PATHRATIO_404REDIRECT_PROBEREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
110.138.83.28
Type
Residential
Country
🇮🇩 Indonesia
City
East Jakarta
ISP
PT. TELKOM INDONESIA
Organization
Unknown
Autonomous System
AS7713 PT Telekomunikasi Indonesia
Hit Count
159
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 100Medium-risk: admin panels, config files+60
Danger medium hits: 12Medium-risk: admin panels, config files+60
Danger medium hits: 17Medium-risk: admin panels, config files+60
Danger medium hits: 22Medium-risk: admin panels, config files+60
Danger medium hits: 26Medium-risk: admin panels, config files+60
Danger medium hits: 31Medium-risk: admin panels, config files+60
Danger medium hits: 35Medium-risk: admin panels, config files+60
Danger medium hits: 39Medium-risk: admin panels, config files+60
Danger medium hits: 4Medium-risk: admin panels, config files+40
Danger medium hits: 43Medium-risk: admin panels, config files+60
Danger medium hits: 47Medium-risk: admin panels, config files+60
Danger medium hits: 51Medium-risk: admin panels, config files+60
Danger medium hits: 56Medium-risk: admin panels, config files+60
Danger medium hits: 60Medium-risk: admin panels, config files+60
Danger medium hits: 65Medium-risk: admin panels, config files+60
Danger medium hits: 70Medium-risk: admin panels, config files+60
Danger medium hits: 74Medium-risk: admin panels, config files+60
Danger medium hits: 78Medium-risk: admin panels, config files+60
Danger medium hits: 8Medium-risk: admin panels, config files+60
Danger medium hits: 87Medium-risk: admin panels, config files+60
Danger medium hits: 91Medium-risk: admin panels, config files+60
Danger medium hits: 95Medium-risk: admin panels, config files+60
Foreign refererReferer from unrelated external domain+10
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 1370
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

2026-08-19 20:30:39
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Danger medium hits: 100 (+60), Danger medium hits: 12 (+60)
2026-08-23 02:00:49
Last malicious request observed
Total score reached: 130/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

PT. TELKOM INDONESIA
AS7713 · 🇮🇩 Indonesia
06

Recommendations

Actions taken & recommended

  • IP 110.138.83.28 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

🔎 Path Enumeration Protection

Block scanning from 110.138.83.28: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🤖 User-Agent Anomaly Defense

IP 110.138.83.28 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
zen.spamhaus.org
✓ Clean
bl.blocklist.de
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
cbl.abuseat.org
✓ 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

110.138.83.28 has been assigned a threat score of 130/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

Path EnumerationUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 110.138.83.28, geolocated to East Jakarta, Indonesia, operating on the network of PT. TELKOM INDONESIA, as a source of suspicious network activity. The address has been active for 3 days in our monitoring system, producing 159 flagged requests at a rate of ~53/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 Path Enumeration combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. Indonesia currently accounts for 122 blocked IPs in our database, making it a significant source of malicious traffic. A score of 130/100 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 Indonesia

157.15.40.62 (340)157.15.40.88 (340)157.15.40.89 (340)157.15.40.61 (340)157.15.40.93 (340)View all →

🏢 Same network: AS7713

36.68.128.22 (295)125.165.34.191 (295)36.68.125.232 (215)110.138.86.124 (200)36.68.125.159 (165)View all →
12

Security Intelligence

💡 File Upload Vulnerabilities

Insecure file upload functionality allows attackers to upload web shells, malware, or scripts that execute on the server. Proper validation must check file content, not just extensions, and uploaded files should be stored outside the web root.

💡 SSH Brute Force Defense

SSH servers face constant brute force attacks targeting common usernames and weak passwords. Key-based authentication, fail2ban, non-standard ports, and IP allowlisting dramatically reduce the attack surface. Monitoring auth logs reveals active campaigns and compromised credentials.

🔍 Check Any IP Address

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