# IP Intelligence Briefing: 91.107.131.27/32
Classification: Moderate Risk
Date: Current Analysis
Target: 91.107.131.27
---
## Executive Summary
IP 91.107.131.27 is registered to Hetzner Online GmbH (ASN 24940) within the German CLOUD-FSN1 infrastructure block (91.107.128.0/20). The IP is classified as a cloud compute resource located in Falkenstein, Saxony, DE. Risk assessment yields a moderate risk score of 40, with no active threat indicators detected. The IP is currently hosted within Hetzner's datacenter infrastructure and has no open ports or active services detected.
---
## Network Intelligence
| Attribute | Value |
|---|---|
| **ASN** | 24940 (Hetzner Online GmbH) |
| **Organization** | CLOUD-FSN1 |
| **CIDR Block** | 91.107.128.0/20 |
| **Location** | Falkenstein, Saxony, Germany |
| **Infrastructure Type** | CloudCompute |
| **Classification** | Hosting Provider |
---
## Threat Assessment
- Risk Score: 40 (Moderate Risk)
- Abuse Confidence: Not specified
- Blacklist Status: 0 blacklist entries
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
The IP lacks active threat indicators and shows no evidence of malicious activity. However, the moderate risk score warrants monitoring given its cloud hosting environment.
---
## Historical Signals
Fourteen observation signals recorded. Recent telemetry confirms:
- Persistent Hetzner provider attribution
- Consistent German geolocation (Falkenstein, Saxony)
- No emergence of new threat indicators
- Stable infrastructure classification
No temporal escalation in risk posture observed.
---
## Relationships & DNS
| Type | Target |
|---|---|
| DNS Association | static.27.131.107.91.clients.your-server.de |
| Network Association | CLOUD-FSN1 (91.107.128.0/20) |
DNS records forward to your-server.de domain with valid SPF and DMARC authentication. No email reputation scoring available.
---
## Neighborhood Analysis
/24 subnet (91.107.131.0/24) shows:
- Neighbor Count: 0
- Abuse Density: 0
- High-Risk Siblings: 0
No adjacent IPs flagged as suspicious.
---
## Recommended Actions
Firewall and WAF rules available for blocking. Due to moderate risk score and lack of open services, the IP may represent a false positive or be used for scanning activities.
Suggested Rules:
- iptables: `iptables -A INPUT -s 91.107.131.27 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 91.107.131.27 drop`
- NGINX: `deny 91.107.131.27;`
- Cloudflare WAF: Block IP 91.107.131.27/32
---
## Intelligence Narrative
IP 91.107.131.27 operates within Hetzner's enterprise cloud infrastructure in Germany. The moderate risk classification reflects its hosting environment rather than confirmed malicious activity. No open services or ports detected, suggesting the IP is either idle, behind a firewall, or used for network scanning purposes. The lack of blacklist entries and historical threat indicators supports benign infrastructure classification. However, the IP's association with your-server.de domain warrants monitoring for potential abuse of the hosting infrastructure.
Recommendation: Monitor for increased activity patterns. Apply firewall blocking if the IP generates suspicious connection attempts.
---
*Analysis based on IPDebrief intelligence platform data. Recommendations should be validated against organizational security policies before deployment.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Hetzner Online GmbH - Contact Role |
| ASN | AS24940 |
| Network Name | CLOUD-FSN1 |
| CIDR Block | 91.107.128.0/20 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | static.27.131.107.91.clients.your-server.de |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | static.27.131.107.91.clients.your-server.de |
๐ DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | 2/4 domains |
| DMARC | 2/4 domains |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
| Domains Checked | 4 domains |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | โ |
| 443 | https | tcp | โ |
| 22 | ssh | tcp | |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | nginx/1.27.4 |
| HTTP Title | โ |
| SSH Version | SSH-2.0-OpenSSH_9.6p1 |
๐ TLS Certificate
| SANs | *.nikoumarket.ircdn.nikoumarket.irnikoumarket.irpanel.nikoumarket.irstatic.nikoumarket.ir |
| Valid From | 2026-07-08T13:27:00+00:00 |
| Valid Until | 2041-07-04T13:27:00+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 5475 days |
| Serial Number | 6AC7CA3C8BE38529FC76431F7C2762733B49B5B3 |
| Thumbprint | 4F6B3B29BE16092DB060361613F12F9D236BE67F |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 21% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-08-07 07:33:52 UTC |
| Last Seen | 2026-08-30 17:33:10 UTC |
| Profile Built | 2026-08-30 17:36:02 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 30 |
Full dossier details are available via our API.