## IP Intelligence Briefing: 52.167.144.169
Classification: Moderate Risk | Reputation: Bingbot (Microsoft Corporation) | Report Date: Current
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Executive Summary
IP 52.167.144.169 is identified as a Microsoft Bingbot crawler operating from Microsoft Corporation (ASN 8075) cloud infrastructure. While the individual IP exhibits no active threat indicators, the surrounding /24 subnet demonstrates elevated abuse density (0.5476), resulting in a moderate risk profile. The IP resolves to `msnbot-52-167-144-169.search.msn.com` and shows no open ports or active services.
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Technical Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 40 (Moderate) |
| **Organization** | Microsoft Corporation |
| **ASN** | 8075 |
| **Geolocation** | Madison, Wisconsin, US |
| **BGP Prefix** | 52.160.0.0/11 |
| **Network Role** | Bingbot / Cloud Compute |
| **Infrastructure** | Cloud-hosted, firewalled |
DNS Configuration:
- PTR Hostname: `msnbot-52-167-144-169.search.msn.com`
- Forward Resolution: Confirmed to `msn.com` domain
- Email Authentication: SPF and DMARC configured
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Threat Assessment
Active Indicators: None
- Not a known attacker, spam source, or Tor exit node
- Zero blacklist entries
- Single DNSBL listing among 8 total lists
Risk Factors:
- Subnet-level abuse density: 0.5476 (High Abuse Classification)
- Route stability: False (non-stable routing)
- Operator score: 0.3478 (Basic)
- 46 out of 84 sibling IPs flagged as threat indicators
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Historical Analysis
Observation Count: 23 signals
- Most Recent: 2026-06-20T03:48:11Z
- Threat Persistence: 0 days
- Ownership Changes: 0
- Status: Not persistently malicious
Signal evolution shows stable ownership and consistent Bingbot identification. No degradation in service classification or emergence of threat indicators.
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Relationship Graph
Total Relationships: 33
- Same Network: Multiple MSFT network associations
- DNS Associations: Bingbot hostname mappings
- Network Classification: Microsoft infrastructure cluster
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Neighborhood Intelligence (52.167.144.0/24)
| Metric | Value |
|---|---|
| **Total Siblings** | 84 |
| **Active Siblings** | 51 |
| **Threat Siblings** | 46 |
| **Abuse Density** | 0.5476 (High) |
| **Risk Distribution** | 0 High / 80 Medium / 4 Low |
Notable Neighbor IPs:
- 52.167.144.16 (Risk: 40, Authority: 60)
- 52.167.144.18 (Risk: 50, Authority: 60)
- 52.167.144.19 (Risk: 40, Authority: 60)
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Recommended Actions
Primary Recommendation: Monitor or Block
While the target IP is a legitimate Microsoft Bingbot, the high-abuse neighborhood context suggests defensive blocking may be warranted depending on organizational policy.
Firewall Rules:
- iptables: `iptables -A INPUT -s 52.167.144.169 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 52.167.144.169 drop`
- nginx: `deny 52.167.144.169;`
- pfSense: `52.167.144.169/32`
- Cloudflare WAF: Block with expression `ip.src eq 52.167.144.169`
- AWS WAF: `Addresses: ["52.167.144.169/32"]`
Alternative Approach: Whitelist Bingbot if blocking impacts search indexing, but monitor closely for abuse from neighboring IPs in the /24 subnet.
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Conclusion
IP 52.167.144.169 represents Microsoft Bingbot infrastructure with no direct threat indicators. However, the elevated abuse density in the parent subnet warrants consideration of defensive measures. SOC teams should weigh legitimate crawler traffic against neighborhood-level risk when determining blocking policy.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | β |
| CIDR Block | β |
| RIR | ARIN |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | msnbot-52-167-144-169.search.msn.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | msnbot-52-167-144-169.search.msn.com |
π DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 29% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-17 21:15:52 UTC |
| Last Seen | 2026-06-28 05:55:01 UTC |
| Profile Built | 2026-06-29 00:00:19 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.