# INTELLIGENCE BRIEFING: 177.44.96.126/32
Classification: Moderate Risk (Score: 55/100)
Date: 2026-06-26
---
## OWNERSHIP & GEOLOCATION
- Organization: MASTER S/A (AS28202)
- Network Block: 177.44.0.0/17 (CIDR: 160458)
- Country: Brazil (BR)
- Region: São Paulo (SP)
- City: Lorena
- RIR: LACNIC
- Registration Date: 2011-03-22
## NETWORK CLASSIFICATION
- Service Purpose: Firewalled / No Services
- Open Ports: None detected
- Infrastructure Type: Not identified as CDN, Cloud, VPN, Proxy, Tor, or Hosting
- DNSSEC: Validated
- HTTP Status: No active services detected
## THREAT INDICATORS
- Risk Score: 55/100 (Moderate)
- Blacklist Status: Listed on 3 of 8 DNSBL lists
- Abuse Confidence: Not publicly quantified
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Campaign Correlation: None identified
## DNS & EMAIL REPUTATION
- PTR Hostname: 177-44-96-126.srs-wr.mastercabo.com.br
- Forward Resolution: Confirmed (1 record)
- SPF Record: Not configured
- DMARC Record: Not configured
- TXT Record Count: 0
## NEIGHBORHOOD ANALYSIS (177.44.96.0/24)
- Abuse Density: 0.3818 (Elevated)
- Classification: Mixed
- Total Siblings: 55
- Active Siblings: 21
- Threat Siblings: 21
- Risk Distribution: High (6), Medium (48), Low (7)
Notable High-Risk Neighbors:
- 177.44.96.100 (Risk: 55)
- 177.44.96.103 (Risk: 55)
- 177.44.96.104 (Risk: 55)
- 177.44.96.105 (Risk: 55)
## OBSERVATION HISTORY (19 Signals)
- Most Recent Activity: 2026-06-26
- Threat Observation Count: 1
- Threat Persistence Days: 0
- Persistent Malicious: No
- Recent Signals: DNSBL listings (high severity), ASN/geo resolution data
## CONTROL PLANE DATA
- Origin ASN: AS28202
- BGP Prefix: 177.44.96.0/23
- Route Stability: Unstable
- RPKI State: Not verified
- IRR Consistency: Not verified
- Route Changes (30d): 0
## RECOMMENDED ACTIONS
IMMEDIATE
1. Block at Perimeter: Implement firewall rules to drop traffic from this IP
2. Increase Logging: Enable verbose logging for all traffic to/from 177.44.96.126
FIREWALL RULES
- iptables: `iptables -A INPUT -s 177.44.96.126 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 177.44.96.126 drop`
- nginx: `deny 177.44.96.126;`
- pfSense: `177.44.96.126/32`
- Cloudflare WAF: Block with expression `ip.src eq 177.44.96.126`
- AWS WAF: Add address `177.44.96.126/32` to rule
MONITORING
- Review subnet 177.44.96.0/24 for correlated malicious activity
- Monitor for DNSBL additions/removals
- Track ASN 28202 for broader threat patterns
---
Assessment: This IP is associated with MASTER S/A in Brazil with elevated neighborhood abuse density (0.3818). While no active threat indicators are present for this specific IP, the subnet shows mixed classification with 21 threat-siblings. The IP is currently firewalled with no open services, but should be blocked pending further investigation into subnet-level activity.
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 | 177-44-96-126.srs-wr.mastercabo.com.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-44-96-126.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 | 38% | 2 | 4 |
| routing | 25% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 27% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 2 |
| Overall | 26% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-12 09:40:34 UTC |
| Last Seen | 2026-06-26 16:25:59 UTC |
| Profile Built | 2026-06-26 16:44:16 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.