IP Intelligence Briefing: 211.228.86.83
*Generated via IPDebrief tools (June 2026)*
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**1. Risk Profile**
- Risk Score: 80 (High Risk)
- Threat Indicators:
- Listed in 5/8 DNSBLs (high-severity categories).
- Inherited subnet abuse risk (density: 1/10).
- Network Classification:
- Mobile (LTE/5G) under KT Corporation (South Korea).
- No open services or TLS certificates detected.
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**2. Geolocation & Ownership**
- Location: Jeju City, South Korea (KR).
- ISP: KT Corporation (ASN 4766, APNIC).
- Subnet: 211.228.86.0/24 (classified as "mostly_clean" with 1 threat sibling).
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**3. Observation History**
- Recent Activity:
- Flagged in DNSBLs (June 18, 2026; confidence: 85%).
- Subnet abuse density analysis (June 7, 2026; low active siblings).
- Trends:
- No persistent malicious behavior detected.
- Minimal route stability (operator score: 13%).
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**4. Relationships**
- Network Affiliation: Linked to KORNET-KR (likely local ISP or carrier).
- No Direct Connections: No related hostnames, domains, or certificates identified.
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**5. Neighborhood Analysis**
- Subnet: 211.228.86.0/24.
- Neighbors: No active IPs detected (possible small subnet or restricted access).
- Abuse Context: Subnet has 1 threat sibling, but overall density is low.
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**6. Recommendations**
- Monitor: Track DNSBL listings and subnet activity for anomalies.
- Threat Hunting: Investigate potential mobile device compromises (KT LTE/5G).
- Firewall: Consider blocking based on ASN 4766 if traffic is suspicious.
*Note: This IP shows sporadic high-risk signals but no persistent malicious behavior. Contextualize findings with network behavior and mobile carrier logs.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IP Manager |
| ASN | AS4766 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | APNIC |
| Country | โ |
| 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 | Mobile |
| Service Purpose | Web Server |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | โ |
| 443 | https | tcp | โ |
| 22 | ssh | tcp | โ |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | 2021-03-20T07:18:25+00:00 |
| Valid Until | 2046-03-21T07:18:25+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 9132 days |
| Serial Number | 21BC5628 |
| Thumbprint | 71A0F4926CE75CBE4EC4F8749732A116E7442286 |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 38% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 24% | 2 | 3 |
| reputation | 32% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 28% | 10 | 17 |
| Data Coherence | Mixed Signals (68%) โ 2 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
โ TLS certificate claims US but primary geo says KR
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:10 UTC |
| Last Seen | 2026-06-26 08:23:40 UTC |
| Profile Built | 2026-06-24 06:46:45 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.