36.37.181.181
IP Intelligence Briefing: 36.37.181.181/32
Date: 2026-06-09
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**1. Risk Profile**
- Overall Risk Score: 80 (High Risk)
- Threat Indicators: No direct malware/campaign associations detected.
- DNSBL Listings: Listed in 5/8 DNSBLs (likely spam or abuse).
- Network Stability: BGP route instability detected (route changes in last 30 days).
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**2. Ownership & Geolocation**
- ISP: VIETTEL-CAMBODIA (ASN 38623, APNIC).
- Geolocation:
- Reported: US (Denver, Colorado).
- Actual ISP Location: Cambodia.
- Discrepancy: Potential geolocation spoofing or misconfigured DNS.
- Routing: Traced through Comcast networks (U.S. transit).
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**3. Threat Observations**
- DNSBL Listings:
- 3/8 DNSBLs flag IP (e.g., Spamhaus, OpenDNS, etc.).
- BGP Anomalies:
- Route instability detected; AS_PATH inconsistent.
- No Active Services:
- No open ports, TLS certs, or HTTP services detected.
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**4. Network Relationships**
- Shared Network:
- Part of 36.37.176.0/20 subnet (VIETTEL-CAMBODIA).
- Neighbor Analysis:
- No active neighbors in /24 subnet (abuse density: 0%).
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**5. Temporal Trends**
- Recent Activity:
- DNSBL listings observed on 2026-06-09.
- No historical threat persistence or ownership changes.
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**6. Recommended Actions**
1. Blocklisted IPs:
- Add to DNSBL/SPF/DMARC filters to mitigate spam risk.
2. Network Monitoring:
- Monitor BGP routes for stability and potential hijacks.
3. Geolocation Verification:
- Investigate geolocation spoofing; confirm IP's true origin.
4. DNS Configuration:
- Validate DNSSEC and CAA records for spoofing risks.
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Conclusion:
This IP exhibits high risk due to DNSBL listings and BGP instability, despite no direct malicious activity. The geolocation discrepancy and transit through U.S. networks suggest potential spoofing or misconfiguration. SOC teams should prioritize blocking and monitoring for associated threats.
Tools Used: `ipdebrief_profile`, `ipdebrief_history`, `ipdebrief_relationships`, `ipdebrief_neighbors`.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-VIETTEL-CAMBODIA-KH |
| ASN | AS38623 |
| Network Name | VIETTEL-CAMBODIA |
| CIDR Block | 36.37.176.0/20 |
| RIR | APNIC |
| Country | KH |
| 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 | Multi-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 22 | ssh | tcp | |
| Closed Ports | 25, 443, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
| SSH Version | SSH-2.0-dropbear_2013.58 ?;t???y???*I-? Pdiffie-hellman-group1-sha1,diffie-hellman-group14-sha1,kex |
🔐 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 | 19% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 31% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 15% | 1 | 2 |
| geolocation | 13% | 1 | 1 |
| Overall | 20% | 9 | 12 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-05-22 09:13:04 UTC |
| Last Seen | 2026-06-26 18:11:15 UTC |
| Profile Built | 2026-06-25 15:31:47 UTC |
| Data Freshness | Fresh |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.