190.89.137.229
IP Intelligence Briefing: 190.89.137.229
Date: 2026-06-09
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**Risk Assessment**
- Risk Score: 80/100 (High Risk)
- Threat Indicators: No direct malicious activity detected, but listed in 3 DNSBLs (out of 8 tracked).
- Network Stability: Unstable routing (route changes in last 30 days).
- Residential Classification: Identified as residential infrastructure.
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**Ownership & Geolocation**
- Registrar: T. R. TELECOMUNICACOES LTDA (AS270368, Brazil).
- Location: Votuporanga, São Paulo, Brazil (Latitude: -20.48, Longitude: -50.01).
- Subnet: 190.89.137.0/24 (abuse density: 20% high-risk neighbors).
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**Threat History**
- Recent Activity:
- Listed in 3 DNSBLs (e.g., Spamhaus, OpenDNS) with "high" severity.
- No persistent malicious behavior detected (0 threat persistence days).
- Trend: No significant changes in risk signals over time.
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**Network Relationships**
- Shared Subnet: 190.89.137.0/24 (100 IPs, 20% high-risk).
- Linked Entities:
- Same ASN (AS270368) and network prefix (378879).
- No CDN, cloud, or mobile carrier associations.
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**Neighbor Analysis**
- Subnet Risk Distribution:
- 20 IPs: High risk (55+ score).
- 73 IPs: Medium risk (30–55).
- 5 IPs: Low risk.
- Notable Neighbors:
- 190.89.137.1–4: Moderate risk (55 score).
- 190.89.137.5: Unlisted (potential unknown risk).
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**Recommended Actions**
1. Monitor Subnet: Track high-risk neighbors (e.g., 190.89.137.1–4) for lateral movement.
2. Verify DNSBL Listings: Confirm legitimacy of DNSBL entries (e.g., Spamhaus, OpenDNS).
3. Check Routing Stability: Investigate route changes for potential network compromise.
4. Blocklisted IPs: Consider blocking DNSBL-listed IPs in firewall rules.
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Source: IPDebrief Threat Intelligence Platform
Note: This IP is classified as residential but shows signs of potential abuse. Continuous monitoring is advised.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | T. R. TELECOMUNICACOES LTDA |
| ASN | AS270368 |
| Network Name | 378879 |
| CIDR Block | 190.89.136.0/23 |
| RIR | LACNIC |
| 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 | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 24% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-05-19 23:49:26 UTC |
| Last Seen | 2026-06-26 18:10:58 UTC |
| Profile Built | 2026-06-22 01:56:41 UTC |
| Data Freshness | Aging |
| Signal Types | 13 |
| Total Observations | 13 |
Full dossier details are available via our API.