103.13.31.139
IP Intelligence Briefing: 103.13.31.139
Date: 2026-06-07
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**1. Risk Profile**
- Risk Score: 25 (Low Risk)
- Threat Indicators: No malicious activity detected (no malware, phishing, or C2 indicators).
- Network Classification: Single-service host (SSH only).
- Provider/Organization: Registered to IRT-READYIDC-TH (ASN 56309, APNIC).
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**2. Geolocation & Ownership**
- Country: Thailand (TH)
- Coordinates: Approximate (13.7442, 100.4608)
- Timezone: Asia/Bangkok
- ASN: 56309 (IRT-READYIDC-TH)
- Registration: APNIC registry; abuse contact available via RDAP.
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**3. Network Behavior**
- SSH Service: OpenSSH 9.2p1 running on port 22.
- Scan Activity:
- Detected scanning events (2026-05-30) with no active vulnerabilities.
- No DNS anomalies, TLS certificates, or HTTP services observed.
- Subnet: 103.13.31.139/24 (no active neighbors identified).
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**4. Threat Observations**
- Historical Signals:
- Geolocation data consistent with Thailand (MaxMind, multi-signal inference).
- No spam, Tor, or known attacker associations.
- No DNSBL listings or campaign correlations.
- Behavioral Flags:
- No honeypot hits or enumeration attempts.
- Stable ownership (no recent IP reassignments).
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**5. Recommendations**
- Monitoring: Track SSH access logs for unauthorized activity.
- Firewall Rules:
- Allow SSH (port 22) only from trusted networks.
- Block all other ports unless required.
- Geolocation Verification: Confirm Thailand-based origin with additional probes if suspicious activity emerges.
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Conclusion:
This IP appears to be a low-risk, legitimate SSH server operated by a Thai-based provider. No immediate threat detected, but ongoing monitoring is advised due to ambiguous geolocation data and isolated network position.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-READYIDC-TH |
| ASN | AS56309 |
| Network Name | — |
| CIDR Block | — |
| RIR | APNIC |
| Country | — |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
| SSH Version | SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 |
🔐 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 | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-14 07:12:36 UTC |
| Last Seen | 2026-06-07 02:53:15 UTC |
| Profile Built | 2026-06-07 02:59:50 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
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