IP Intelligence Briefing: 148.113.128.15
Date: 2026-06-13
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Owner: Dmytro, Ahrefs Pte Ltd (OVH ASN 16276)
- Geolocation: Singapore (CA), but geo-validation flags as *implausible* due to RTT discrepancy (observed 25ms vs. expected 121.6ms for 6082km).
- Network Role: CloudCompute (OVH-hosted, no residential/mobile attributes).
- Services: No open ports detected; TLS/HTTP banners not available.
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**2. Threat & Abuse Indicators**
- Threat Feed Matches: None detected (no malware, phishing, or spam indicators).
- DNS & Certificates:
- PTR hostname: `proxy-ca014-san15.ahrefs.net` (linked to `ahrefs.net`).
- DNSSEC and CAA records present; no email authentication (SPF/DMArC).
- Subnet Abuse: 37% abuse density in 148.113.128.0/24. 93/251 siblings flagged as risky.
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**3. Temporal & Network Observations**
- Ownership Stability: No recent changes; 180 active siblings in subnet.
- Threat Persistence: No observed malicious activity over 30-day history.
- Routing: BGP prefix `148.113.128.0/17` with inconsistent AS paths; route stability score: 0.2174 (Minimal).
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**4. Recommended Actions**
- Firewall Blocking:
- `iptables`: `iptables -A INPUT -s 148.113.128.15 -j DROP`
- Cloudflare/WAF: Block IP with rule: `ip.src eq 148.113.128.15`
- Monitoring: Watch for anomalies in the 148.113.128.0/24 subnet due to mixed abuse density.
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**5. Summary**
The IP is a legitimate OVH-hosted cloud server linked to Ahrefs. While no direct threats are detected, its subnet has a notable abuse density, and geo-validation inconsistencies may indicate misconfiguration or CDN routing. No immediate action is required, but continued monitoring is advised.
Next Steps: Cross-reference with internal threat feeds; verify DNS/HTTP banners for deeper analysis.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059693 |
| CIDR Block | 148.113.128.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca014-san15.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca014-san15.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 34% | 2 | 3 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:03:44 UTC |
| Last Seen | 2026-06-26 23:37:59 UTC |
| Profile Built | 2026-06-27 19:52:17 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.