IP Intelligence Briefing: 177.44.96.105
Date: 2026-06-06
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**1. IP Profile**
- Risk Score: 55 (Moderate Risk)
- Ownership:
- ASN: 28202 (MASTER S/A, Brazil)
- Subnet: 177.44.96.0/24
- Geolocation: Brazil (SP, Lorena), 2500km accuracy radius.
- Threat Indicators: No direct malicious activity detected (no blacklists, campaigns, or known attackers).
- Network Role: Firewalled / No Services (openPorts: empty, TLS/HTTP: inactive).
- DNS:
- PTR hostname: `177-44-96-105.srs-wr.mastercabo.com.br`
- No email authentication (SPF/DKIM/DMArch missing).
- Control Plane:
- BGP prefix: `177.44.96.0/24` (AS28202), DNSSEC valid.
- RPKI invalid, IRR inconsistency detected.
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**2. Observation History**
- Recent Signals (2026-06-06):
- Minimal operator risk (score: 0.13).
- DNS geolocation confirmed for Brazil.
- 2 DNSBL listings (out of 8 total), categorized as "medium" severity.
- No persistent threats or campaign correlations.
- Trend: Stable risk profile with no significant changes over time.
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**3. Relationships**
- Network Associations:
- Linked to subnet `160458` (MASTER S/A, Brazil).
- DNS associations: `177-44-96-105.srs-wr.mastercabo.com.br` (21 resolved).
- No Known Malicious Connections: No ties to malware campaigns, C2 servers, or compromised entities.
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**4. Neighborhood Analysis**
- Subnet: `177.44.96.0/24` (54 total IPs).
- Risk Distribution:
- 19 IPs flagged as high risk (80+ score).
- 30 medium-risk IPs (55โ79).
- 5 low-risk IPs.
- Abuse Density: 28.3% (moderate risk concentration).
- Notable Neighbors:
- `177.44.96.16`, `177.44.96.103`, `177.44.96.107`, and `177.44.96.108` show high risk (80 score).
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**5. Recommendations**
- Monitor Subnet: The 177.44.96.0/24 subnet has a notable abuse density. Investigate high-risk neighbors (e.g., `177.44.96.16`, `177.44.96.103`) for potential lateral movement or shared infrastructure risks.
- Verify DNS Associations: Confirm legitimacy of `mastercabo.com.br` and check for DNS-based attacks (e.g., CNAME hijacking).
- Check DNSBL Listings: Investigate why this IP is listed on 2 DNSBLs (e.g., spam or phishing activity).
- Network Segmentation: Consider isolating this subnet if it hosts sensitive assets due to the elevated risk in the neighborhood.
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Source: IPDebrief Threat Intelligence Platform
Note: This IP shows no direct malicious activity but operates in a subnet with mixed risk. Further investigation into neighbors and DNS behavior is advised.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 160458 |
| CIDR Block | 177.44.0.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | 177-44-96-105.srs-wr.mastercabo.com.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-44-96-105.srs-wr.mastercabo.com.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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 13% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 20% | 10 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-11 02:50:42 UTC |
| Last Seen | 2026-06-26 06:46:46 UTC |
| Profile Built | 2026-06-26 07:05:18 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 25 |
Full dossier details are available via our API.