IP Intelligence Briefing: 143.0.209.59
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership:
- Organization: ANTONIO G DE SOUSA JUNIOR - ME (Brazil)
- ASN: 264072 (arin registry)
- Geolocation: Nova Olinda, Ceará, Brazil (latitude -7.09, longitude -39.67)
- Network Role: Unknown (no services, no CDN/VPN/Hosting flags)
- Threat Indicators: No malicious activity detected (no blacklists, campaigns, or DNS threats).
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**2. Observation History**
- Signals Detected:
- DNS associations with `ajnet.net.br` (16 observations).
- Network prefix `143.0.209.0/24` linked to ASN 264072.
- Operator score: 0.13 (Minimal risk).
- Trend: No persistent malicious behavior; risk score stable.
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**3. Relationships & Neighbors**
- Linked Entities:
- DNS hostname: `143.0.209.59.ajnet.net.br` (multiple associations).
- Same network: `266457` (ASN 264072).
- Subnet Neighbors: None (isolated /24 subnet).
- Abuse Density: 0% (no risky neighbors).
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**4. Recommended Actions**
- Firewall Rules:
- iptables: `iptables -A INPUT -s 143.0.209.59 -j DROP`
- Cloudflare WAF: Block IP with description "IPDebrief risk 50".
- AWS WAF: Add `143.0.209.59/32` to a rule.
- Monitoring: Track DNS activity and network changes due to moderate risk score.
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**5. Summary**
The IP 143.0.209.59 is registered to a Brazilian business entity and appears to be a residential or private network with no direct malicious indicators. While its risk score is moderate, there are no signs of active attacks, spam, or abuse. Monitor DNS behavior and network activity for anomalies, but no immediate mitigation is required.
Next Steps: Reassess if risk score changes or new threats emerge.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | ANTONIO G DE SOUSA JUNIOR - ME |
| ASN | AS264072 |
| Network Name | 266457 |
| CIDR Block | 143.0.208.0/22 |
| RIR | ARIN |
| Country | BR |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | 143.0.209.59.ajnet.net.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 143.0.209.59.ajnet.net.br |
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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 21% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 12% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-21 08:54:24 UTC |
| Last Seen | 2026-06-09 08:34:38 UTC |
| Profile Built | 2026-06-09 08:52:40 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 22 |
Full dossier details are available via our API.