74.179.77.204
IP 74.179.77.204 was observed active on 2026-09-18, attributed to Microsoft Corporation (ASN 8075) within the 74.176.0.0/14 CIDR block. The infrastructure functioned as a Microsoft Azure cloud compute instance serving as a web server. Scanning identified a single open port, TCP/443, secured by a TLS certificate for `sls.update.microsoft.com` issued by Microsoft Update Secure Server CA 2.1. Threat assessment assigned a Low Risk reputation score of 25. The address was not flagged as a known attacker, spam source, or Tor exit node, with zero abuse confidence indicators from known threat feeds. The surrounding subnet 74.179.77.0/24 maintained a clean classification with no active threat siblings.
Analysis identified signal contradictions regarding geolocation and RTT measurements, noting a claimed distance of 7883km contradicted by an observed RTT of 88ms. The host appeared on one of eight DNSBLs. Behavioral analysis recorded zero honeypot strikes or enumeration incidents. Despite the absence of active attacker indicators, the assessment recommended monitoring with low severity due to the presence of signal contradictions.
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 | 74.176.0.0/14 |
| 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 | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| 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 |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | sls.update.microsoft.com*.sls.update.microsoft.com*.backend.sls.update.microsoft.com |
| Valid From | 2026-02-03T19:04:23+00:00 |
| Valid Until | 2027-02-03T19:04:23+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 365 days |
| Serial Number | 330000029D91DCE36547B92BDD00000000029D |
| Thumbprint | CDA6B9752BD7A57F5A634585426257CDE1DDB531 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 33% | 2 | 5 |
| Overall | 25% | 10 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 04:37:27 UTC |
| Last Seen | 2026-09-18 16:35:44 UTC |
| Profile Built | 2026-09-18 17:13:21 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 41 |
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