IP Intelligence Briefing: 31.28.253.144
Date: 2026-06-18
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**1. Core Profile**
- Risk Score: 80 (High Risk)
- Ownership:
- ASN: 35816
- Organization: Lancom Admins Group (RU)
- Geolocation: Sebastopol City, Russia (RU)
- Threat Indicators:
- No direct malware, phishing, or exploit activity detected.
- DNSBL listings (6/8) suggest potential spam or abuse risks.
- Network Role:
- Firewalled with no open ports or services.
- Classified as "mostly_clean" in its /24 subnet.
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**2. Observation History**
- Recent Activity (Last 30 Days):
- Minimal operator risk (score: 0.13).
- DNSSEC validation confirmed.
- DNSBL listings (6/8) indicate potential spam/abuse risks.
- No persistent malicious behavior or campaign correlations.
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**3. Relationships & Associations**
- Network Links:
- Linked to LANCOM-DIR7 network (same subnet).
- DNS Associations:
- PTR hostname: undefined.sevstar.net (no active domain resolution).
- SPF and DMARC records detected, but no email-related threats.
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**4. Neighborhood Analysis**
- Subnet: 31.28.253.144/24
- Abuse Density: 1 (low risk, but 1 threat sibling in subnet).
- Neighbors: No active IPs or siblings reported.
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**5. Recommendations**
- Monitor DNS: Investigate undefined.sevstar.net for potential misconfigurations or abuse.
- Network Segmentation: Ensure the Lancom Admins Group network is isolated from critical assets.
- DNSBL Verification: Confirm legitimacy of DNSBL entries and blocklisted IPs.
- Geolocation Validation: Cross-check IP location with other geolocation sources due to sparse data.
Conclusion: The IP shows no direct malicious activity but has associated DNSBL risks and a high-risk network owner. Monitor DNS and network traffic for anomalies.
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*Generated via IPDebrief intelligence tools.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Lancom Admins Group |
| ASN | AS35816 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | RIPE |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | undefined.sevstar.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | undefined.sevstar.net |
๐ DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ 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 | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 24% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 20% | 9 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:15 UTC |
| Last Seen | 2026-06-26 18:11:12 UTC |
| Profile Built | 2026-06-23 10:20:37 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.