148.227.90.91📋 Copy

# IP Intelligence Briefing: 148.227.90.91/32

Date: 2026-07-22

Analyst: IPDebrief Intelligence Team

Classification: MODERATE RISK

## Executive Summary

IP address 148.227.90.91/32 is assigned to Starlink Brazil Serviços de Internet Ltd (ASN 14593) and carries a moderate risk score of 40. The IP is associated with Starlink satellite internet infrastructure and shows no direct malicious indicators. However, the /24 subnet exhibits elevated risk patterns with multiple sibling IPs sharing the same risk score.

## Ownership and Infrastructure

• Organization: Starlink Brazil Serviços de Internet Ltd
• ASN: 14593
• Network Block: 148.227.90.0/24
• RIR: ARIN
• Registration: Verified via RDAP

Geolocation Discrepancy: IP geolocation data shows conflicting country codes. Primary profile indicates Chile (CL), while historical observations show Brazil (BR). Both locations align with Starlink's satellite infrastructure deployment.

DNS Resolution: customer.brsabra1.isp.starlink.com

PTR Record: Confirmed reverse DNS entry

## Risk Assessment

Network Role: Firewalled / No Services Detected

Open Ports: None

TLS Certificate: None

## Neighborhood Analysis (/24 Subnet)

The 148.227.90.0/24 subnet contains 12 total IPs with the following risk distribution:

• High Risk: 0
• Medium Risk: 4 (including 148.227.90.84, 148.227.90.135, 148.227.90.199, 148.227.90.214)
• Low Risk: 6

Abuse Density: 0 (low overall subnet abuse)

Notable: Target IP shares the same risk score (40) with three other siblings in the subnet, suggesting coordinated infrastructure or shared risk profile.

## Relationship Graph

• Network Associations: 148.227.90.0/24 (multiple entries)
• DNS Associations: customer.brsabra1.isp.starlink.com (multiple entries)
• Organizational Ties: None beyond Starlink infrastructure

No external certificate or organizational relationships detected outside the Starlink network.

## Observation History

Recent signals (2026-07-22) indicate:

• Ownership Stability: No changes detected
• Threat Persistence: 0 days observed
• Operator Score: 0.2174 (Minimal)
• DNSSEC Valid: Yes
• DNSBL Listed: 2 out of 8 total lists

Temporal analysis shows no persistent malicious behavior. Ownership has remained stable with no recent transitions.

## Recommended Actions

Despite the moderate risk classification, the IP shows no direct threat indicators. The following firewall rules are available for consideration:

iptables:

```

iptables -A INPUT -s 148.227.90.91 -j DROP

```

nftables:

```

nft add rule inet filter input ip saddr 148.227.90.91 drop

```

AWS WAF:

```json

{

"Addresses": ["148.227.90.91/32"],

"Description": "IPDebrief risk 40"

}

```

## Intelligence Assessment

The IP 148.227.90.91 is part of Starlink's Brazil infrastructure. The moderate risk score (40) combined with subnet-level risk patterns suggests this IP may warrant monitoring but does not indicate confirmed malicious activity. The lack of open services, no blacklist entries, and stable ownership history support a cautious approach.

Recommended Mitigation: Monitor for pattern changes within the 148.227.90.0/24 subnet. Consider blocking only if additional threat signals emerge from sibling IPs or if specific incident correlation occurs.

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*This briefing is based on IPDebrief intelligence platform data. Analysts should correlate with additional threat intelligence sources before taking action.*

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