103.88.140.68📋 Copy

# IP Intelligence Briefing: 103.88.140.68/32

## Executive Summary

IP 103.88.140.68 is a moderately risk-rated address (score: 55) assigned to Kastech Computer Valley administrator (AS136450) in Dhaka, Bangladesh. The address is firewalled with no active services, but appears on 3 of 8 DNS blacklist entries, suggesting historical reputation concerns. No active threat indicators were detected.

## Ownership & Infrastructure

• Organization: Kastech Computer Valley administrator
• Netname: KASTECH-BD
• ASN: 136450 (APNIC registry)
• CIDR: 103.88.140.0/22
• Geolocation: Dhaka, Bangladesh (23.82°N, 90.36°E)
• Control Plane: BGP prefix 103.88.140.0/24; route stability flag inactive; DNSSEC validated

## Threat Assessment

• Risk Score: 55 (Moderate Risk)
• Abuse Confidence: Null (insufficient data for precise scoring)
• Threat Indicators: None detected
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Count: 3 (8 total DNSBLs checked)
• Campaign Correlation: None observed
• Threat Persistence Days: 0

## Network State

• Services: No open ports detected; firewalled/no services
• DNS Resolution: No forward resolution; no PTR records
• Email Authentication: SPF/DMARC not configured
• Certificate Status: No TLS certificates
• HTTP/HTTPS: No web services detected

## Historical Analysis

Observation history (10 records, most recent 2026-07-23) indicates stable ownership with no recent changes. Threat observation count remains at zero, and the IP is not classified as persistently malicious. Recent signals confirm consistent organization and ASN attribution.

## Relationships & Neighborhood

• Network Relationships: Associated with KASTECH-BD network entity
• Subnet: 103.88.140.0/24
• Neighbor Count: 0 (no sibling IPs detected)
• Abuse Density: 0
• Risk Distribution: None (high/medium/low = 0)

## SOC Recommendations

1. Block/Rate-Limit: Implement firewall rules to block inbound connections; the IP shows no active services but maintains a moderate risk score.

2. Monitor DNSBL Activity: Track blacklist status across the 3 known listings for potential reputation changes.

3. Contextual Blocking: Consider blocking the /24 subnet (103.88.140.0/24) if organizational policy requires subnet-level protection based on the moderate risk profile.

4. False Positive Verification: The moderate risk score (55) may stem from historical DNSBL listings rather than active threat activity. Investigate if any incidents correlate with this IP before implementing permanent blocks.

5. Egress Control: No inbound services detected, but verify if this IP appears in egress logs from internal networks.

Classification: Moderate Risk — Monitor; No Immediate Threat

Action Level: Recommended for firewall blocking with logging; no emergency response required.

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