1.53.48.71📋 Copy

# IP Intelligence Briefing: 1.53.48.71/32

## Executive Summary

IP address 1.53.48.71/32 is classified as Moderate Risk (risk score: 40). The address belongs to Vietnamese ISP IRT-VNNIC-AP (ASN 18403) within the FPTDYNAMICIP-NET network. No active threat indicators detected; no open services or known malicious campaigns observed.

## Ownership & Geolocation

## Network Classification & Services

• Status: Firewalled / No Services Detected
• Open Ports: None
• DNS Resolution: Forward confirmed: No
• PTR Hostnames: None
• HTTP Services: Not detected
• SSL/TLS: No certificates observed

## Threat Indicators

• Abuse Confidence Score: Not available
• Blacklist Count: 0
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Threat Feeds: None correlated
• Campaigns: No matching campaigns identified

## Control Plane & Routing

• Route Stability: Unstable (route changes detected)
• BGP Prefix: 1.53.48.0/24
• Origin ASN: 18403
• DNSBL Listings: 2 of 8 total lists
• RPKI State: Not validated
• IRR Consistency: Not verified

## Neighborhood Analysis

The /24 subnet (1.53.48.0/24) shows:

• Abuse Density: 0% (Clean classification)
• Total Siblings: 1
• Active Siblings: 0
• Threat Siblings: 0
• Inherited Risk: 0

No neighboring IPs flagged as malicious.

## Observation History

13 signals observed as of July 25, 2026. Consistent geolocation (Vietnam) and ownership data (IRT-VNNIC-AP) across observations. No significant changes in risk posture over time.

## Relationship Graph

Single relationship identified:

• Type: Same Network
• Target: FPTDYNAMICIP-NET (1.53.48.0/20)

## Recommended Actions

Based on risk profile and control plane data, the following firewall rules are recommended:

iptables:

```bash

iptables -A INPUT -s 1.53.48.71 -j DROP

```

nftables:

```bash

nft add rule inet filter input ip saddr 1.53.48.71 drop

```

nginx:

```nginx

deny 1.53.48.71;

```

Cloudflare WAF:

```json

{

"description": "Block 1.53.48.71 — IPDebrief risk score 40",

"action": "block",

"filter": {

"expression": "ip.src eq 1.53.48.71"

}

}

```

AWS WAF:

```json

{

"Addresses": ["1.53.48.71/32"],

"Description": "IPDebrief risk 40"

}

```

## Assessment

This IP presents moderate risk primarily due to DNSBL listings and unstable routing characteristics. No direct evidence of malicious activity or service exploitation. The address is part of a Vietnamese ISP infrastructure block with no malicious neighbors. SOC teams may consider blocking at perimeter based on the 2 DNSBL listings, though the overall abuse risk is low. Monitor for changes in threat posture.

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