138.75.83.180
IP Intelligence Briefing: 138.75.83.180
Date: 2026-06-17
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**1. IP Profile**
- Risk Score: Moderate (40/100)
- Ownership:
- ASN: 4773
- Organization: M1 LIMITED administrator
- Network: 138.75.0.0/17 (registered with ARIN)
- Geolocation:
- Country: Singapore (SG)
- City: Singapore
- Coordinates: 1.35°N, 103.82°E
- Timezone: Asia/Singapore
- Network Role: Firewalled / No Services (no open ports or TLS certificates detected).
- Threat Indicators: No active malicious activity, spam, or known attacker associations.
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**2. Observation History**
- Recent Activity (2026-06-17):
- Detected in 8 threat intelligence feeds (1 listed, 7 unlisted).
- Geolocation inferred with 0.52 confidence (Singapore).
- Subnet abuse density: "mostly_clean" (1/20 IPs in subnet flagged).
- Historical Data (2026-06-02):
- No services or banners detected.
- Network classification confirmed as non-residential, non-cloud, and non-VPN.
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**3. Relationships**
- Linked Entities:
- Network: M1LIMITED-SG (ASN 4773).
- No DNS or certificate relationships detected.
- Subnet Context:
- Part of 138.75.83.180/24.
- Subnet abuse density: 1/20 IPs flagged (low risk).
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**4. Neighborhood Analysis**
- Subnet Neighbors:
- No public neighboring IPs found (possibly private or non-routable).
- Abuse Density:
- Subnet classified as "mostly_clean" with no active malicious siblings.
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**5. Threat Assessment**
- Risk Level: Moderate (no direct threats, but low-risk subnet).
- Recommendations:
- Monitor for changes in threat intelligence feeds.
- Confirm network segmentation to isolate this IP from critical systems.
- No immediate mitigation required unless new threats emerge.
Conclusion: 138.75.83.180 is owned by a Singaporean ISP and shows no active malicious behavior. While the subnet has low abuse density, its moderate risk score warrants ongoing monitoring. No urgent actions are required at this time.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | M1 LIMITED administrator |
| ASN | AS4773 |
| Network Name | M1LIMITED-SG |
| CIDR Block | 138.75.0.0/17 |
| RIR | ARIN |
| Country | SG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 26% | 2 | 4 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 3 |
| ownership | 24% | 2 | 3 |
| reputation | 21% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:40 UTC |
| Last Seen | 2026-06-22 14:02:28 UTC |
| Profile Built | 2026-06-22 14:16:18 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.