68.221.185.36📋 Copy

# IP INTELLIGENCE BRIEFING: 68.221.185.36/32

## EXECUTIVE SUMMARY

Microsoft Azure infrastructure IP located in Madrid, Spain with moderate risk profile (score: 40). No active services detected. Listed on 1 DNSBL of 8 total lists. Cloud infrastructure context mitigates direct attack vector but indicates potential compromised or misconfigured tenant resource.

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## OWNERSHIP & GEOLOCATION

• Organization: Microsoft Corporation (ASN 8075)
• Infrastructure: Microsoft Azure CloudCompute environment
• Location: Madrid, Spain (ES) — 1550.7km probe distance
• CIDR Block: 68.220.0.0/15 (BGP prefix)
• Registration: ARIN (abuse contact available via RDAP)

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## RISK ASSESSMENT

Key Indicators:

• Route stability: False (route changes observed)
• DNSSEC: Valid
• GeoPlausible: True
• No open ports detected
• No TLS certificates, HTTP banners, or service signatures

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## THREAT INTELLIGENCE

• Not classified as: Known attacker, spam source, Tor exit node, proxy, VPN
• Campaign matches: 0
• Correlated IPs: 0
• Cert matches: 0
• Threat observation count: 1
• Persistence days: 0

DNSBL Activity:

• Listed on 1 DNSBL with high severity
• Total blacklist checks: 8

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## OBSERVATION HISTORY

• Total observations: 21 signals collected
• Latest activity: June 19, 2026
• Recent patterns:

- Multiple DNSBL listing detections (June 18, 2026)

- Operator score consistently minimal (0.1304)

- Service scan: No open ports detected

- Geolocation validation: ICMP blocked, unable to validate

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## NETWORK RELATIONSHIPS

• Total relationships: 25
• Network associations: All 25 relationships point to MSFT (Microsoft) networks
• Relationship types: Same Network (MSFT) — indicates Azure infrastructure context

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## NEIGHBORHOOD ANALYSIS (68.221.185.0/24)

• Subnet classification: Mostly clean
• Abuse density: 1 (low)
• Active siblings: 0
• Threat siblings: 1
• Inherited risk: 2

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## RECOMMENDED ACTIONS

Based on risk profile (score: 40), the following blocking rules are generated:

Firewall Rules:

• iptables: `iptables -A INPUT -s 68.221.185.36 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 68.221.185.36 drop`
• nginx: `deny 68.221.185.36;`
• pfSense: `68.221.185.36/32`

Cloud WAF Rules:

• Cloudflare WAF: Block with expression `ip.src eq 68.221.185.36`
• AWS WAF: Add IP set `68.221.185.36/32` with description "IPDebrief risk 40"

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## ANALYST NOTES

This IP represents Microsoft Azure infrastructure with moderate risk indicators. The combination of cloud infrastructure, no open ports, and minimal operator score suggests either:

1. Misconfigured tenant resource

2. Compromised virtual machine

3. Legitimate Azure service with benign traffic patterns generating false positives

Recommended Investigation:

• Monitor for outbound connections from this IP
• Check if traffic matches expected Azure service patterns
• Correlate with internal telemetry for any suspicious activity
• Consider blocking only if internal traffic patterns indicate risk

Risk Level: MODERATE — Monitor rather than immediately block unless internal correlation confirms malicious activity.

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