178.137.16.186📋 Copy

# IP Intelligence Briefing: 178.137.16.186/32

## Executive Summary

IP address 178.137.16.186 belongs to Kyivstar PJSC (ASN 15895) and is classified as a moderate risk address with a risk score of 65/100. The IP is part of a high-abuse-density subnet (178.137.16.0/24) with 168 of 189 active siblings exhibiting threat indicators.

## Network Infrastructure

• Owner: Kyivstar PJSC (ASN 15895)
• Location: Kyiv, Ukraine (UA)
• BGP Prefix: 178.137.0.0/18
• Network Classification: Firewalled / No Services
• DNS Resolution: 178-137-16-186.broadband.kyivstar.net
• PTR Record: 178-137-16-186.broadband.kyivstar.net

## Threat Indicators

• Risk Score: 65/100 (Moderate Risk)
• Blacklist Status: Listed on 3 of 8 DNSBLs
• Known Campaigns: None detected
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Threat Persistence: Single observation; not persistently malicious

## Subnet Analysis (178.137.16.0/24)

• Abuse Density: 0.6562 (High abuse classification)
• Total Siblings: 256
• Active Siblings: 189
• Threat Siblings: 168
• Risk Distribution: 7 high-risk, 93 medium-risk, 0 low-risk
• Inherited Risk Score: 26/100

## Historical Observations

• Observation Count: 20 signals tracked
• Latest Signals: 2026-06-24 (UTC)
• Geolocation Confidence: 0.52 (Ukraine)
• Operator Score: 0.1304 (Minimal)
• Route Stability: False (routing changes observed)

## Network Relationships

• 64 relationships detected
• Multiple associations with KYIVSTAR-NET-7 network
• No direct associations with known threat infrastructure

## Recommended Actions

Immediate Mitigation

Based on the elevated risk score and subnet abuse profile, the following actions are recommended:

```bash

# iptables

iptables -A INPUT -s 178.137.16.186 -j DROP

# nftables

nft add rule inet filter input ip saddr 178.137.16.186 drop

```

Platform-Specific Rules

• nginx: `deny 178.137.16.186;`
• pfSense: 178.137.16.186/32
• Cloudflare WAF: Block IP with expression `ip.src eq 178.137.16.186`
• AWS WAF: Address 178.137.16.186/32

SOC Monitoring

• Increase logging verbosity for traffic from this IP
• Review recent activity patterns for anomalous behavior
• Consider blocking the entire /24 subnet given the 0.6562 abuse density

## Risk Assessment

This IP presents moderate risk due to its classification within a high-abuse Kyivstar subnet. While the IP itself shows no active malicious indicators, the surrounding network environment exhibits significant threat activity. SOC teams should maintain monitoring but can implement blocking measures without compromising legitimate service availability.

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