IP Intelligence Briefing: 103.18.166.16
Date: 2026-06-13
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**1. Profile Summary**
- Risk Score: 55 (Moderate Risk)
- Ownership:
- ASN: 132768
- Organization: IRT-APNANET4-IN (APNANET4-IN)
- RIR: APNIC
- Geolocation: Newark, NJ, USA (plausible but coordinates unverified)
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns).
- Network Role: Firewalled / No Services (no open ports, TLS, or HTTP services).
- Subnet: 103.18.166.0/24 (part of 103.18.164.0/22 CIDR).
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**2. Observation History**
- Latest Signals (11 total):
- Geolocation inferred (India/US) with 0.52 confidence.
- Network ownership confirmed via APNIC (APNANET4-IN).
- No recent scans, scans, or threats detected.
- DNSSEC validation is active, but DNSBL listings (3/8) suggest potential abuse risk.
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**3. Relationships**
- Linked Entities:
- Same network: APNANET4-IN (APNANET4-IN).
- No external domains, certificates, or organizations tied to the IP.
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**4. Neighborhood Analysis**
- Subnet (103.18.166.0/24):
- Abuse Density: 6% (low).
- Risk Distribution:
- 6 IPs: High risk (55+ score).
- 90 IPs: Medium risk (40โ55).
- 2 IPs: Low risk.
- Neighbors with Similar Risk:
- 103.18.166.2, 103.18.166.4, 103.18.166.8, 103.18.166.10, 103.18.166.17 (all 55โ40 risk scores).
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**5. Recommendations**
- Monitor Subnet: Track high-risk neighbors (e.g., 103.18.166.2) for unusual activity.
- Verify Geolocation: Investigate discrepancies in geolocation data (India/US).
- Check DNSBL Status: Review DNSBL listings (3/8) for potential abuse or misconfiguration.
- Network Segmentation: Ensure firewalled IP is isolated from internal networks.
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Conclusion:
The IP 103.18.166.16 is part of a moderately risky subnet linked to APNANET4-IN. While no direct threats are detected, the subnetโs 6% abuse density and DNSBL listings warrant closer monitoring. SOC teams should verify geolocation accuracy and ensure network segmentation to mitigate potential risks.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IRT-APNANET4-IN |
| ASN | AS132768 |
| Network Name | APNANET4-IN |
| CIDR Block | 103.18.164.0/22 |
| RIR | APNIC |
| Country | IN |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
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% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-06-07 01:45:24 UTC |
| Last Seen | 2026-06-13 16:33:17 UTC |
| Profile Built | 2026-06-13 17:09:52 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 16 |
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