Intelligence Briefing: 171.75.10.107
Assessment: Low Risk
Date: 2026-09-07
Infrastructure and Ownership
The address was registered under ASN 3356 (LEVEL3-MNT) within the APNIC RIR. Ownership records indicate association with Colt UK (domain: colt.net). The IP resolves to a reverse DNS hostname ae1.3101.ear5.par1.neo.colt.net. DNS hygiene scores were rated Good with valid SPF and DMARC records present for the domain.
Geolocation
Signals placed the address in the United Kingdom (GB) under the Europe/London timezone. Geolocation consensus was valid based on multiple sources.
Threat Posture
The IP carried a risk score of 25 with a reputation rating of Low Risk. No known attacker flags, spam sources, or active threat indicators were recorded. Blacklist counts were zero. The threat actor classification was labeled "Suspicious Host," though confidence remained low. No evidence of hosting, proxy, or CDN functionality was observed.
Network Activity
The neighborhood (171.75.10.0/24) was classified as clean with zero threat siblings. No open ports or active services were detected. The service purpose was identified as "Firewalled / No Services."
Recommendation
Analysts were advised to monitor the address. Severity was rated Low due to the clean neighborhood context and lack of active malicious indicators.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | LEVEL3-MNT |
| ASN | AS3356 |
| Network Name | UK-LVLT-19940225 |
| CIDR Block | 171.75.0.0/16 |
| RIR | APNIC |
| Country | GB |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | ae1.3101.ear5.par1.neo.colt.net |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | ae1.3101.ear5.par1.neo.colt.net |
๐ DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-09-07 11:16:09 UTC |
| Last Seen | 2026-09-07 11:16:09 UTC |
| Profile Built | 2026-09-07 11:33:11 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.