51.10.11.12
Analysis indicates that 51.10.11.12 is assigned to ASN 8075 (Divya Quamara) within the ARIN region, located in Madison, Wisconsin. The host maintained a low-risk reputation score of 25 and was classified as firewalled with no active services or open ports. DNS reverse resolution pointed to "po1012.rwa04.cys08.ntwk.msn.net," confirming association with the Microsoft network infrastructure. While the address was not flagged as a known attacker or spam source, threat actor tagging labeled it a suspicious host with one confirmed DNSBL listing. The /24 subnet exhibited mixed classification with an abuse density of 26.09% and six identified threat siblings. Given the neighborhood risk profile, operations recommended monitoring activity associated with this address.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Divya Quamara |
| ASN | AS8075 |
| Network Name | cloud |
| CIDR Block | 51.10.0.0/16 |
| RIR | ARIN |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | po1012.rwa04.cys08.ntwk.msn.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | po1012.rwa04.cys08.ntwk.msn.net |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 43% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-06 17:27:03 UTC |
| Last Seen | 2026-09-21 03:08:27 UTC |
| Profile Built | 2026-09-21 03:16:56 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.