ABUSE.MOM
THREAT REPORT

IP Threat Report
49.37.45.103

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-26 12:49:02
First seen: 2026-10-20 18:29:52
Last seen: 2026-10-25 04:07:32
68

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 68/100. Total malicious requests observed: 68.

DANGER_PATHMETHODRATIO_404UA_CHANGED
01

Geolocation & Classification

IP Address
49.37.45.103
Type
Residential
Country
🇮🇳 India
City
Kolkata
ISP
Reliance Jio Infocomm Limited
Organization
Reliance Jio Infocomm Limited
Autonomous System
AS55836 Reliance Jio Infocomm Limited
Hit Count
68
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 2Medium-risk: admin panels, config files+20
POST seenBehavioral anomaly detected by automated analysis+8
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 68
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

2026-10-20 18:29:52
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: 2 (+20), POST seen (+8)
2026-10-25 04:07:32
Last malicious request observed
Total score reached: 68/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Reliance Jio Infocomm Limited
AS55836 · 🇮🇳 India

We have detected 576 malicious IPs from this autonomous system.

View all IPs from AS55836 →
06

Recommendations

Actions taken & recommended

  • IP 49.37.45.103 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 49.37.45.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Directory Scan Defense

IP 49.37.45.103 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🤖 User-Agent Anomaly Defense

IP 49.37.45.103 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 49.37.45.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

49.37.45.103 has been assigned a threat score of 68/100 (High). At this threat level, the IP is considered high risk. Firewall rules should be updated to deny traffic from this source.

The following attack categories were identified:

Path EnumerationUser-Agent Anomaly

📊 Threat Analysis

Threat intelligence analysis has linked 49.37.45.103 to malicious activity originating from Kolkata, India, operating on the network of Reliance Jio Infocomm Limited. The address has been under observation since its initial detection. During its 4-day observation window, we recorded 68 hostile requests from this IP — roughly 17 per day on average. The address is classified as residential, meaning it likely belongs to an end-user ISP connection. Malicious activity from residential IPs typically indicates device compromise or botnet membership. The dual attack vectors of Path Enumeration combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. India currently accounts for 4,293 blocked IPs in our database, making it a major source of malicious traffic. At 68/100, this IP presents a meaningful threat. Implement rate limiting with escalation to blocking.

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 India

49.248.192.204 (313)62.72.43.237 (305)20.197.26.46 (300)34.100.193.82 (295)194.61.40.210 (295)View all →

🏢 Same network: AS55836

49.42.179.245 (208)49.37.241.5 (173)49.43.42.142 (168)49.36.114.145 (168)152.59.0.34 (168)View all →
12

Security Intelligence

💡 Command Injection Techniques

Command injection occurs when attackers insert operating system commands through application inputs. Successful exploitation grants direct server access, enabling data theft, malware installation, and lateral movement across networks.

💡 Behavioral Analysis vs Signature Detection

Signature-based detection matches known attack patterns but misses novel threats. Behavioral analysis identifies anomalies in request patterns, timing, and volume, catching zero-day attacks that signatures cannot recognize.

🔍 Check Any IP Address

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