IP Intelligence Briefing: 148.113.128.1
Date: 2026-06-17
---
**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Ownership: Registered to "Dmytro, Ahrefs Pte Ltd" (OVH-CUST-281059693)
- Geolocation: Singapore (CA), with inconsistent geo-plausibility (RTT anomalies suggest potential misrepresentation).
- Network Role: Cloud compute infrastructure (OVH-hosted, no residential/mobile attributes).
- Threat Indicators: No malicious activity, spam, or known attacker associations.
---
**2. Threat & Security Context**
- DNS: Resolves to `proxy-ca014-san1.ahrefs.net` (no email auth records).
- Services: No open ports or TLS certificates detected.
- Control Plane:
- DNSSEC and CAA records present (valid).
- BGP prefix `148.113.128.0/17` with minimal route instability.
- 1 DNSBL listing (out of 8 total).
---
**3. Observation History**
- Signal Variability:
- Recent observations show mixed geolocation data (e.g., "US" vs. "CA") and inconsistent RTT values (25ms vs. expected 121.6ms for 6,082km).
- No persistent malicious behavior or threat campaigns.
- Risk Trends: Stable low-risk profile over 30 days.
---
**4. Network Relationships**
- Linked Entities:
- Same network (`OVH-CUST-281059693`).
- Subnet `148.113.128.0/24` with abuse density 49.22% (moderate risk).
- 126 threat-scorched sibling IPs in the subnet.
---
**5. Neighborhood Analysis**
- Subnet Overview:
- Total IPs: 256 (200 active, 56 inactive).
- Risk Distribution: 96 medium-risk, 4 low-risk neighbors.
- Abuse Density: 49.22% (elevated, but not extreme).
- Notable Neighbors:
- IPs with risk scores โฅ40 (e.g., `148.113.128.0`, `148.113.128.2`).
---
**6. Recommendations**
- Monitoring: Track geolocation anomalies and subnet abuse density. Investigate RTT inconsistencies.
- Mitigation:
- Consider blocking high-risk neighbors (โฅ40) in the `148.113.128.0/24` subnet.
- Validate DNS records for `proxy-ca014-san1.ahrefs.net` to confirm legitimacy.
- Firewall: No immediate action required for this IP, but monitor for unexpected service openings.
---
End of Briefing
*Generated by IPDebrief Intelligence Platform*
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-san1.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca014-san1.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 | 25% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 21% | 1 | 2 |
| geolocation | 32% | 2 | 3 |
| Overall | 20% | 10 | 13 |
| 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 23:35:48 UTC |
| Profile Built | 2026-06-27 19:49:57 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 27 |
Full dossier details are available via our API.