IPDebrief

187.120.98.241

IP Intelligence Dossier
Your IP: 216.73.216.5
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🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.

# IPDEBRIEF INTELLIGENCE BRIEFING

Target IP: 187.120.98.241/32

Date of Analysis: 2026-07-30

Classification: Moderate Risk

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## EXECUTIVE SUMMARY

IP 187.120.98.241 is a Brazilian residential/infrastructure IP assigned to MASTER S/A (MasterCabo). The asset presents moderate risk (score 65/100) with no active malicious indicators. No open services detected. Listed on 3 DNS blacklists. Neighborhood analysis indicates clean subnet with no threat siblings.

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## OWNERSHIP & GEOLOCATION

AttributeValue
**ASN**28202
**Organization**MASTER S/A
**Network Name**139887
**CIDR Block**187.120.64.0/18
**Country**Brazil (BR)
**Region**Minas Gerais
**City**Divinópolis
**RIR**LACNIC

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## NETWORK CLASSIFICATION

IndicatorStatus
**Reputation**Moderate Risk
**Risk Score**65/100
**Is Cloud**No
**Is CDN**No
**Is VPN**No
**Is Proxy**No
**Is Tor Exit**No
**Is Hosting**No
**Is Residential**No
**Open Ports**None detected
**Service Purpose**Firewalled / No Services

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## DNS & FINGERPRINTING

AttributeValue
**PTR Hostname**187-120-98-241.dvl-fb.mastercabo.com.br
**Forward Resolution**187-120-98-241.dvl-fb.mastercabo.com.br
**Forward Confirmed**No
**SPF Record**Not configured
**DMARC Record**Not configured
**TLS Certificate**Not detected

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## THREAT INDICATORS

IndicatorStatus
**Abuse Confidence**Not available
**Known Attacker**No
**Spam Source**No
**Blacklist Count**0 (IP-level)
**DNSBL Listed**3 of 8 lists
**Known Campaigns**None
**Threat Persistence**0 days
**Persistently Malicious**No

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## OBSERVATION HISTORY (16 Observations)

Recent observations indicate:

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## RELATIONSHIP GRAPH (9 Relationships)

Relationship TypeTargetCount
Same Network1398875
DNS Association187-120-98-241.dvl-fb.mastercabo.com.br4

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## NEIGHBORHOOD ANALYSIS

MetricValue
**Subnet**187.120.98.241/24
**Abuse Density**0%
**Classification**Clean
**Total Siblings**1
**Active Siblings**0
**Threat Siblings**0
**High Risk IPs**0
**Medium Risk IPs**0
**Low Risk IPs**0

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## RECOMMENDATIONS

1. NO ACTION REQUIRED: No active threats detected. IP is classified as "clean" with neighborhood abuse density of 0%.

2. DNSBL Awareness: IP listed on 3 DNS blacklists. Monitor for potential abuse complaints.

3. Firewall Policy: No open services detected. Default deny policy appropriate.

4. Monitoring: Continue standard monitoring. No escalation needed.

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Status: ✅ LOW PRIORITY - No immediate action required

Next Review: 30 days

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.

🌍 Geolocation

Country🇧🇷 Brazil
RegionMinas Gerais
CityDivinópolis
Timezone—
Latitude-20.15
Longitude-44.89

🏢 Ownership & Registration

OrganizationMASTER S/A
ASNAS28202
Network Name139887
CIDR Block187.120.64.0/18
RIRLACNIC
CountryBR
Abuse Contact—

🌐 DNS Intelligence

PTR187-120-98-241.dvl-fb.mastercabo.com.br
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnames187-120-98-241.dvl-fb.mastercabo.com.br

🔐 DNS Hygiene

Hygiene Score20% (Poor)
SPFNot configured
DMARCNot configured
FCrDNSNot verified
DNSSECValid
CAANot configured

☁️ Network Classification

InfrastructureUnknown
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Closed Ports22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned)
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
25%
11
routing
25%
11
services
25%
11
ownership
25%
11
reputation
0%
00
geolocation
25%
11
Overall20%55
Coverage: 5/6 dimensions · Data sufficiency: partial
Data CoherenceConsistent (100%)
AttributionModerate (50%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

📅 Observation Timeline 🔄 Live

First Seen2026-07-29 16:41:41 UTC
Last Seen2026-07-31 13:31:58 UTC
Profile Built2026-07-30 22:41:54 UTC
Data FreshnessLive
Signal Types19
Total Observations19
🔍 19 signal types · 19 observations collected
This report is generated from 19+ 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.
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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.