136.233.9.88📋 Copy

IP Intelligence Briefing: 136.233.9.88

Date: 2026-06-07

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**1. Profile Summary**

• Risk Score: Low (0/100)
• Provider: Reliance Jio Infocomm Ltd. (AS55836)
• Geolocation: India (IN), Tamil Nadu (TN), Vellore
• Network Role: Mobile network (LTE/5G)
• Services:

- HTTP/HTTPS on ports 80/443 (nginx/1.24.0)

- Valid TLS certificate (Let’s Encrypt, CN=gravitas.vit.ac.in)

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**2. Threat Observations**

• Threat Feed Listings:

- Listed in 8 threat feeds (high severity, confidence 85%).

- No confirmed malicious indicators (no malware, C2, or exploit data).

• DNS/Email:

- No DNSSEC validation, SPF/DKIM records absent.

- No email-related threats detected.

• Network Behavior:

- Stable BGP prefix (136.233.0.0/17) with no recent route changes.

- No signs of spoofing, CDN, or proxy activity.

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**3. Historical Activity**

• Recent Signals (Last 30 Days):

- TLS Scan (2026-05-29): Valid certificate with TLS 1.3.

- HTTP Scan (2026-05-29): Normal response (nginx server, 200 OK).

- Threat Feed Updates: 19 observations, including 8 high-severity listings.

• Stability: No persistent malicious activity detected.

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**4. Relationships & Subnet**

• Network Relationships:

- Linked to RELIANCEJIO-IN (AS55836) via BGP and ownership.

- No correlated IPs or campaigns identified.

• Subnet (136.233.9.88/24):

- 0 active neighbors reported.

- Subnet abuse density: 0% (clean).

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**5. Recommendations**

• Investigate Threat Listings:

- Verify why this IP appears in 8 threat feeds despite being a legitimate ISP. Potential misconfigurations or false positives.

• Monitor TLS/HTTP Services:

- Ensure the Let’s Encrypt certificate is properly configured and revoked if compromised.

• Check DNS Security:

- Enable DNSSEC for domains associated with this IP (e.g., `gravitas.vit.ac.in`).

• Network Segmentation:

- Segment mobile network traffic from internal systems to limit potential exposure.

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Conclusion:

This IP is associated with a legitimate mobile ISP in India but appears in multiple threat feeds. While no direct malicious activity is confirmed, the high-severity listings warrant further investigation into potential misconfigurations or false positives. SOC teams should prioritize validating the threat intelligence and securing associated services.

Tools Used: `ipdebrief_profile`, `ipdebrief_history`, `ipdebrief_relationships`, `ipdebrief_neighbors`.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.