141.76.1.51
Intelligence Briefing: 141.76.1.51/32
Geolocation and Ownership
The IP address was identified in Dresden, Germany, associated with the TUDINF-LAN network under ASN 680. Registration records linked the block 141.76.0.0/16 to the DFN-LIR-MNT organization.
Threat Profile
Reputation assessment returned a Low Risk classification with a risk score of 0. No malicious indicators were found, and the address was not listed on any blacklists or associated with known campaigns.
Network and Service State
Service analysis showed the address was firewalled with no active services. No open ports, TLS certificates, or HTTP banners were observed. DNS queries failed to return forward resolution or PTR records.
Routing and Stability
BGP origin data indicated traffic originated from ASN 680. Route stability metrics marked the route as not stable, despite zero recorded route changes in the past 30 days.
Recommendation
The assessment determined no immediate action was required. The IP was consistent with benign infrastructure and required continued monitoring for correlation with other threat data.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | DFN-LIR-MNT |
| ASN | AS680 |
| Network Name | TUDINF-LAN |
| CIDR Block | 141.76.0.0/16 |
| RIR | RIPE |
| Country | DE |
| 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 | 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 | 38% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 32% | 1 | 5 |
| geolocation | 27% | 2 | 3 |
| Overall | 26% | 10 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 01:52:15 UTC |
| Last Seen | 2026-09-19 20:54:22 UTC |
| Profile Built | 2026-09-23 10:20:42 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.