52.123.244.143
Intelligence Briefing: 52.123.244.143
IP 52.123.244.143 is registered to Microsoft Corporation (AS8075) within the 52.120.0.0/14 block. Geolocation data places the infrastructure in Rio de Janeiro, Brazil. Network role analysis identified the system as CloudCompute with a firewalled status and no open services.
The address received a Low Risk reputation score of 25. However, the threat actor classification labeled the host as "Suspicious Host" due to present threat indicators without specific campaign correlation. The IP appeared on one DNS blacklist out of eight total lists reviewed. Behavioral analysis showed no active attacker activity, honeypot hits, or WAF violations.
Operational status indicated a lack of DNS PTR records and failed forward resolution confirmation. Recommendations assigned were to Monitor with low severity. No specific firewall rules were required based on current data.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 52.120.0.0/14 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 3389, 8080 (3 open / 7 scanned) | ||
| Server | Microsoft-HTTPAPI/2.0 |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | outlook.com*.hotmail.com*.internal.outlook.com*.live.com*.office.com*.office365.com*.outlook.com*.outlook.office365.comattachment.outlook.live.netattachment.outlook.office.net |
| Valid From | 2026-06-26T00:00:00+00:00 |
| Valid Until | 2027-01-10T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
| Serial Number | 0E371D2766FD365DADDCF4004297839E |
| Thumbprint | C7C19E04464D744D810EF31A24C54FC22A7909C5 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Contradictory (48%) — 3 contradiction(s) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Geo sources disagree on country: US, BR
⚠ TLS certificate claims US but primary geo says BR
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-17 22:05:32 UTC |
| Last Seen | 2026-09-17 22:05:32 UTC |
| Profile Built | 2026-09-17 22:16:20 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.