172.213.17.107📋 Copy

INTELLIGENCE BRIEFING: 172.213.17.107/32

Assessment: MODERATE RISK - Cloud Infrastructure with Blacklist Reputation Issues

Classification: Microsoft Azure CloudCompute

Location: Milan, Lombardy, Italy (Geo: IT | Confidence: 0.28)

ASN: 8075 (Microsoft Corporation)

Network Block: 172.208.0.0/13

---

KEY FINDINGS

Reputation Status:

• Overall Risk Score: 65/100 (Moderate)
• DNSBL Listed: 3 of 8 threat intelligence lists
• Blacklist Severity: High on active listings
• Abuse Confidence: Not explicitly scored

Infrastructure Profile:

• Infrastructure Type: CloudCompute (Microsoft Azure)
• Service Status: Firewalled / No Services
• Open Ports: None detected
• Hosted Domains: None
• DNSSEC: Valid

Threat Indicators:

• No active threat campaigns detected
• No known attacker signatures
• No spam source indicators
• No Tor exit node activity
• No proxy/VPN indicators
• No hosting abuse indicators
• Threat Observation Count: 0 (not persistently malicious)

Geolocation Validation:

• Country: Italy (IT)
• Region: Lombardy
• City: Milan
• Accuracy Radius: 750km
• Geo Consensus: True

---

NEIGHBORHOOD ANALYSIS

• Subnet: 172.213.17.0/24
• Neighbor Count: 2 IPs
• Abuse Density: 0 (clean neighborhood)
• Neighbor Risk Scores: 25/100 (Low)
• 172.213.17.76: Risk 25, Authority 50
• 172.213.17.92: Risk 25, Authority 50

---

OBSERVATION HISTORY

• Total Observations: 12
• Latest Activity: 2026-07-30
• Recent Signals:

- Blacklist listings (3/8 lists, max severity: high)

- DNSSEC validation confirmed

- ASN attribution: Microsoft Corporation

- Geolocation inference: Italy (low confidence)

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: False

---

RECOMMENDED ACTIONS

Firewall/IPS Rules:

```

# Block on port 443 only (if traffic observed)

iptables -A INPUT -p tcp -d 172.213.17.107/32 --dport 443 -j DROP

# Or allow with rate limiting

iptables -A INPUT -p tcp -d 172.213.17.107/32 --dport 443 -m limit --limit 5/min -j ACCEPT

```

Cloudflare WAF:

```yaml

# Create rule for 172.213.17.107/32

• type: ip
• action: challenge
• source: 172.213.17.107/32
• severity: medium

```

AWS WAF:

```

# Block IP with rate-based rule

IPSetId: aws:ips/172.213.17.107/32

Priority: 100

Action: block

```

SOC Monitoring:

• Monitor for outbound connections from internal hosts to this IP
• Alert if DNS queries observed for this IP
• Track blacklist reputation changes weekly
• No immediate block recommended; monitor for traffic anomalies

---

INTELLIGENCE SUMMARY

IP 172.213.17.107 is a Microsoft Azure cloud infrastructure endpoint located in Milan, Italy. The moderate risk score (65) is primarily driven by blacklist reputation (3 of 8 threat feeds) rather than active malicious behavior. No open services or ports detected; the IP appears firewalled. Neighborhood analysis shows clean adjacent IPs with low risk scores. No persistent malicious activity observed. Recommended monitoring approach: allow with rate limiting or challenge-based WAF protection rather than outright blocking.

Confidence Level: High (Infrastructure type verified, blacklist activity confirmed)

Last Updated: 2026-07-30

Intel Source: IPDebrief Platform

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