138.255.206.154
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 138.255.206.154
Date: 2026-06-06
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**1. Core Profile**
- Risk Score: 55 (Moderate Risk)
- Owner: CIT INFORMATICA (AS263983)
- Location: Brazil (Santa Catarina, Ituporanga)
- Network Role: Firewalled / No Services (no open ports, no TLS/HTTP services)
- Geolocation Validity: Plausibility flagged as false (potential misattribution)
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**2. Threat Indicators**
- No Direct Threats: No malware indicators, spam, or known attacker associations.
- DNS/Network: No PTR records, no DNSSEC validation issues, but DNSBL listings (3/8).
- Subnet Abuse: 26% abuse density in 138.255.206.0/24, with 5 high-risk neighbors.
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**3. Observation History**
- First Seen: 2026-05-29 (geolocation, network metadata).
- Stability: Subnet route stability flagged as unstable (BGP changes).
- Behavioral: No honeypot hits, enumeration attempts, or WAF violations.
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**4. Network Relationships**
- Shared Network: Part of CIDR 138.255.204.0/22 (CIT INFORMATICA).
- Neighbors:
- 7 IPs with high risk (80+ score), 11 medium, 7 low.
- Notable: 138.255.206.153, 196–197, 213, 215, 223, 225–226 show elevated risk.
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**5. Recommendations**
- Monitor Neighbors: Focus on high-risk neighbors (e.g., 138.255.206.153, 196–197) for lateral movement.
- Verify Geolocation: Investigate false plausibility flag; potential spoofing or misattribution.
- Subnet Analysis: Check 138.255.206.0/24 for shared vulnerabilities or coordinated activity.
- Firewall Rules: Block high-risk neighbors using IPDebrief-generated rules (e.g., iptables/nftables).
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Next Steps: Correlate with internal logs, validate geolocation anomalies, and monitor subnet activity for emerging threats.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | CIT INFORMATICA |
| ASN | AS263983 |
| Network Name | 263089 |
| CIDR Block | 138.255.204.0/22 |
| RIR | ARIN |
| Country | BR |
| Abuse Contact | — |
🌐 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 22% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 18% | 9 | 13 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Claimed geolocation contradicts RTT physics measurement
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-11 15:04:00 UTC |
| Last Seen | 2026-06-26 09:59:10 UTC |
| Profile Built | 2026-06-26 10:45:41 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 19 |
🔍 18 signal types · 19 observations collected
This report is generated from 18+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.