177.44.71.19
Threat Intelligence Briefing: IP 177.44.71.19/32
Overview
- Risk Score: 55/100 (Moderate Risk)
- Ownership: Owned by MASTER S/A (ASN 28202), registered to Brazil (BR).
- Geolocation: Located in Itajuba, Minas Gerais, Brazil (latitude -22.4231, longitude -45.4247).
- Network Role: Firewalled / No Services detected.
- Threat Indicators: No direct malicious indicators (no spam, attacks, or known campaigns).
Key Findings
1. DNS Associations:
- Strong DNS ties to 177-44-71-19.ija-wr.mastercabo.com.br (PTR record).
- No email authentication (SPF/DKIM) detected.
2. Network Relationships:
- Linked to AS28202 (MASTER S/A) and subnet 177.44.0.0/17.
- No direct connections to known malicious networks or organizations.
3. Subnet Analysis:
- Part of 177.44.71.19/24 subnet with 0.156 abuse density.
- 9 high-risk neighbors (80+ risk score) detected, suggesting potential lateral movement or shared infrastructure risks.
4. Historical Activity:
- Observed in June 2026 with mixed signals (geolocation inferences, network scans).
- No persistent malicious activity or long-term threats.
Recommended Actions
- Monitoring: Increase logging verbosity and review recent activity from this IP due to elevated risk score.
- Firewall Rules:
- Block the IP using:
```bash
iptables -A INPUT -s 177.44.71.19 -j DROP
nft add rule inet filter input ip saddr 177.44.71.19 drop
```
- Update WAF rules (Cloudflare, AWS) to block this IP.
Next Steps
- Investigate DNS hostname 177-44-71-19.ija-wr.mastercabo.com.br for potential breaches or malicious activity.
- Monitor high-risk neighbors in the 177.44.71.19/24 subnet for correlated threats.
*Note: This IP currently shows no direct malicious intent but warrants vigilance due to its network context and potential for lateral movement.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 160458 |
| CIDR Block | 177.44.0.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177-44-71-19.ija-wr.mastercabo.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-44-71-19.ija-wr.mastercabo.com.br |
🔐 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
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 26% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 26% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 20% | 10 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:56 UTC |
| Last Seen | 2026-06-22 22:15:42 UTC |
| Profile Built | 2026-06-22 22:19:26 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.