ABUSE.MOM
THREAT REPORT

IP Threat Report
157.51.151.207

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 02:19:12
First seen: 2026-05-12 08:00:05
Last seen: 2026-05-12 08:00:05
168

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 168/100. Total malicious requests observed: 1.

UA_CHANGEDDANGER_PATHRATIO_404METHOD
01

Geolocation & Classification

IP Address
157.51.151.207
Type
Residential
Country
🇮🇳 India
City
Chennai
ISP
Reliance Jio Infocomm Limited
Organization
Reliance Jio infocomm ltd
Autonomous System
AS55836 Reliance Jio Infocomm Limited
Hit Count
1
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 2Medium-risk: admin panels, config files+20
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
POST requests presentBehavioral anomaly detected by automated analysis+8
Σ = 168
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

2026-05-12 08:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Danger strong hits: 4 (+100), Danger medium hits: 2 (+20)
2026-05-12 08:00:05
Last malicious request observed
Total score reached: 168/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Reliance Jio Infocomm Limited
AS55836 · 🇮🇳 India
06

Recommendations

Actions taken & recommended

  • IP 157.51.151.207 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

🤖 Bot Detection

Address UA spoofing from 157.51.151.207: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Directory Scan Defense

IP 157.51.151.207 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

09

Blacklist Status (DNSBL)

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

✓ Clean
ix.dnsbl.manitu.net
✓ Clean
dnsbl.sorbs.net
✓ Clean
zen.spamhaus.org
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
bl.spamcop.net
✓ Clean
b.barracudacentral.org
✓ Clean
truncate.gbudb.net
✓ Clean
psbl.surriel.com

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

10

Threat Analysis

157.51.151.207 has been assigned a threat score of 168/100 (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:

User-Agent AnomalyPath Enumeration

📊 Threat Analysis

Threat intelligence analysis has linked 157.51.151.207 to malicious activity originating from Chennai, India, operating on the network of Reliance Jio Infocomm Limited. The address has been under observation since its initial detection. During its 1-day observation window, we recorded 1 hostile requests from this IP — roughly 1 per day on average. 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 User-Agent Anomaly combined with Path Enumeration indicate a coordinated assault rather than opportunistic scanning. Our records show 201 malicious IPs originating from India, positioning it as a significant contributor to global threat activity. A score of 168/100 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 India

49.248.192.204 (313)62.72.43.237 (305)4.188.251.0 (280)103.78.247.150 (280)40.80.90.214 (280)View all →

🏢 Same network: AS55836

49.42.179.245 (208)49.37.241.5 (173)152.58.31.35 (168)49.43.42.142 (168)152.59.3.161 (168)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 Dark Web Intelligence Gathering

Monitoring dark web forums and marketplaces provides advance warning of planned attacks, leaked credentials, and compromised data. This intelligence feeds into proactive defense measures before attacks reach their targets.

🔍 Check Any IP Address

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