110.172.29.157
IP Intelligence Briefing: 110.172.29.157
Date: 2026-06-13
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**1. Core Profile**
- Risk Score: 65/100 (Moderate Risk)
- Ownership:
- ASN: 135918
- Organization: Ly Quoc Nguyen (CONTABO-VN)
- Region: Vietnam (VN)
- Geolocation:
- Country: Vietnam
- Coordinates: 16.17°N, 107.83°E
- Timezone: Asia/Ho_Chi_Minh
- Network Role: Firewalled / No Services (no open ports or TLS/HTTP activity detected).
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**2. Threat Indicators**
- Malicious Activity: None detected (no indicators, blacklists, or campaigns linked).
- DNSSEC Validity: Confirmed (no DNS spoofing risks).
- DNSBL Listings: 3 out of 8 lists (likely low-severity false positives; exact lists obscured).
- BGP/Network:
- Prefix: 110.172.28.0/23
- ASN: 135918 (apnic registry, stable for 10+ years).
- Route Stability: Unstable (recent route changes flagged).
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**3. Observation History (Last 24h)**
- DNS Queries: No resolved PTR records; DNSSEC valid.
- Threat Signals:
- No active scans, honeypot hits, or WAF violations.
- Historical data suggests no persistent malicious behavior.
- Geolocation Consistency: Plausible (Vietnam), but no recent activity logged.
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**4. Network Relationships**
- Subnet: 110.172.28.0/23 (owned by CONTABO-VN).
- Neighbors: No active siblings in /24 subnet (isolate IP).
- Shared Entities:
- Linked to same network (CONTABO-VN) via BGP and DNS.
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**5. Recommended Actions**
- Monitoring:
- Increase logging verbosity for this IP; review for anomalies.
- Monitor DNSBL listings (3/8) for potential false positives.
- Firewall Rules:
- iptables: `iptables -A INPUT -s 110.172.29.157 -j DROP`
- Cloudflare WAF: Block IP with rule `ip.src eq 110.172.29.157`
- AWS WAF: Add `110.172.29.157/32` to IP set.
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**6. Summary**
The IP 110.172.29.157 is owned by a Vietnamese entity (CONTABO-VN) and appears to be a firewalled, non-routinely active host. While no direct malicious activity is detected, its moderate risk score and DNSBL listings warrant cautious monitoring. Given its isolated subnet and lack of recent threats, it is likely a low-risk infrastructure node. SOC teams should validate DNSBL context and enforce blocking rules to mitigate potential unknown risks.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ly Quoc Nguyen |
| ASN | AS135918 |
| Network Name | CONTABO-VN |
| CIDR Block | 110.172.28.0/23 |
| RIR | APNIC |
| Country | VN |
| 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 | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 6% | 3 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-05 01:00:51 UTC |
| Last Seen | 2026-06-17 19:03:46 UTC |
| Profile Built | 2026-06-13 03:35:34 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 14 |
Full dossier details are available via our API.