157.50.137.250📋 Copy

## INTELLIGENCE BRIEFING: 157.50.137.250

Classification: Low Risk – Mobile Network Endpoint

Analysis Date: 2026-07-30

Analyst: IPDebrief Intelligence

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EXECUTIVE SUMMARY

IP address 157.50.137.250 is a mobile network endpoint associated with Reliance Jio Infocomm Limited (ASN 55836) in Tirupati, Andhra Pradesh, India. The IP demonstrates low-risk characteristics with a risk score of 25/100. No active malicious indicators were observed, though the endpoint was detected in one DNS blacklist entry among eight total listings.

OWNERSHIP & GEOLOCATION

• Organization: Reliance Jio Infocomm Limited (RELIANCEJIO-IN)
• ASN: 55836
• Network Block: 157.50.0.0/16 (Registered: APNIC)
• Geolocation: Tirupati, Andhra Pradesh, India (13.64°N, 79.42°E)
• Connection Type: Mobile (LTE/5G) – Jio Network
• Carrier: Reliance Jio Infocomm Ltd (MCC: 405, MNC: 872)

NETWORK CLASSIFICATION

The endpoint is classified as mobile infrastructure with no detected services or open ports. The system shows no characteristics of cloud hosting, CDN, VPN, proxy, or Tor exit node operations. DNSSEC validation is confirmed active.

THREAT PROFILE

• Risk Score: 25/100 (Low Risk)
• Blacklist Status: 1 listing out of 8 total DNSBL checks
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Known Campaigns: None associated
• Threat Feeds: No active indicators

OBSERVATION HISTORY

Twelve observation events recorded. Key findings include:

• Port scanning activity detected on 2026-07-30 15:11:21 UTC
• DNS blacklist listings with high severity on 2026-07-30 15:10:25 UTC
• DNSSEC validation successful (RRSIG not present)
• No reverse DNS (PTR) records resolved
• Stable ASN and prefix resolution from team-cymru-dns

NETWORK RELATIONSHIPS

Two relationships identified to the parent network entity RELIANCEJIO-IN. No additional organizational or certificate relationships detected.

SUBNET ANALYSIS (157.50.137.0/24)

• Abuse Density: 0%
• Neighbor Count: 0
• Risk Distribution: None identified
• Threat Siblings: None

RECOMMENDATIONS

1. Monitoring: Continue standard traffic monitoring; no immediate blocking required.

2. Context: Low-risk mobile endpoint from major Indian carrier. Traffic patterns consistent with legitimate mobile usage.

3. Block Decision: No block recommended. The single blacklist listing does not indicate active malicious use.

4. Alert Threshold: Flag if connection patterns change or additional blacklist listings emerge.

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END OF BRIEFING

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