INTELLIGENCE BRIEFING: IP 72.146.20.230/32
Classification: Moderate Risk โ Cloud Infrastructure Origin
Date: 2026-08-06
Analysis Method: Multi-source aggregation via IPDebrief intelligence platform
---
EXECUTIVE SUMMARY
IP address 72.146.20.230 was identified as a Microsoft Azure cloud infrastructure endpoint with a risk score of 65/100. The IP belongs to Microsoft Corporation (ASN 8075) within the 72.144.0.0/14 CIDR block. Geolocation data places the endpoint in Milan, Italy (IT). No malicious threat indicators were detected; however, the elevated risk score warrants monitoring. The IP shows no persistent malicious behavior and operates within a clean subnet environment.
---
OWNERSHIP AND INFRASTRUCTURE
| Attribute | Value |
|---|---|
| **Organization** | Microsoft Corporation |
| **ASN** | 8075 |
| **Network Name** | MSFT |
| **CIDR Block** | 72.144.0.0/14 |
| **Infrastructure Type** | CloudCompute (Microsoft Azure) |
| **Classification** | Cloud Hosting |
The IP is classified as cloud infrastructure with firewalled services. No open ports, TLS certificates, or HTTP services were detected during scanning.
---
GEOSPATIAL ANALYSIS
| Attribute | Value |
|---|---|
| **Country** | Italy (IT) |
| **Region** | Lombardy |
| **City** | Milan |
| **Distance (km)** | 798.2 km from reference point |
| **Validation Status** | ICMP blocked โ unable to validate |
Geolocation data is consistent with Microsoft Azure cloud infrastructure deployment patterns.
---
THREAT INDICATORS AND BLACKLISTING
- Abuse Confidence Score: Not applicable
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Blacklist Count: 0
- Known Campaigns: None identified
- DNSBL Listings: 3 out of 8 total lists checked
No active threat indicators, known attack campaigns, or spam source designations were observed.
---
NEIGHBORHOOD ANALYSIS
The IP resides in subnet 72.146.20.230/24 with the following characteristics:
| Metric | Value |
|---|---|
| **Abuse Density** | 0 |
| **Classification** | Clean |
| **Total Siblings** | 1 |
| **Active Siblings** | 0 |
| **Threat Siblings** | 0 |
The neighborhood shows no abuse activity, indicating isolated endpoint behavior within the subnet.
---
OBSERVATION HISTORY
Total of 18 signal observations recorded. Key findings:
1. ICMP Validation: Blocked (unable to validate)
2. Port Scans: Detected during observation window
3. Subnet Classification: Consistently "clean" with 0 abuse density
4. Ownership Stability: No ownership changes detected
5. Threat Persistence: Not persistently malicious (0 threat observation days)
The IP has demonstrated stable behavior without persistent malicious activity over the observation period.
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RELATIONSHIP MAPPING
Relationship analysis identified 5 connections, all classified as "Same Network" relationships to the MSFT (Microsoft) network entity. No external relationships to organizations, hostnames, or certificates were discovered.
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RECOMMENDED ACTIONS
Based on the risk score of 65/100, the following actions are recommended:
Monitoring:
- Increase logging verbosity
- Review recent activity from this IP address
- Monitor for unusual connection patterns
Firewall Implementation:
```bash
# iptables
iptables -A INPUT -s 72.146.20.230 -j DROP
# nftables
nft add rule inet filter input ip saddr 72.146.20.230 drop
# nginx
deny 72.146.20.230;
# pfSense
72.146.20.230/32
# Cloudflare WAF
ip.src eq 72.146.20.230 โ BLOCK
# AWS WAF
Addresses: 72.146.20.230/32
```
---
ANALYST NOTES
The elevated risk score (65/100) is attributed to DNSBL listings and cloud infrastructure hosting classification rather than confirmed malicious activity. The IP should be monitored for behavioral changes but does not currently require immediate blocking. Standard logging and visibility enhancements are recommended to maintain awareness of this Microsoft Azure endpoint's activity patterns.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 72.144.0.0/14 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 27% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-31 13:32:48 UTC |
| Last Seen | 2026-08-13 01:42:48 UTC |
| Profile Built | 2026-08-13 02:04:36 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.