143.244.144.51📋 Copy

# IP INTELLIGENCE BRIEFING: 143.244.144.51/32

## Executive Summary

Classification: MODERATE RISK (Score: 50/100)

Status: No Active Threat Indicators

Recommendation: Monitor / Consider Blocking Based on Context

---

## Infrastructure Profile

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## Risk Assessment

The IP exhibits a moderate risk score of 50, with no active threat indicators detected. Key observations:

• Blacklist Status: 0 blacklist hits
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Campaign Association: None identified
• Operator Score: 0.1304 (Minimal)
• DNSBL Listings: 2 of 8 total lists

The control plane indicates route instability over the past 30 days, though the IP maintains persistent ownership under DigitalOcean.

---

## Historical Signal Analysis

Observation Count: 14 signals recorded (most recent: 2026-07-31)

Temporal analysis reveals:

• Ownership Persistence: Stable (0 ownership changes)
• Threat Persistence: 0 days (not persistently malicious)
• Threat Observation Count: 1
• Geolocation Consistency: Signals show consistent US-based routing through DigitalOcean infrastructure

---

## Network Neighborhood Assessment

Subnet: 143.244.144.51/24

• Abuse Density: 0.5 (50%)
• Classification: Mostly Clean
• Total Siblings: 2 (1 active)
• Threat Siblings: 1

Notable Neighbor:

• IP: 143.244.144.237
• Risk Score: 25
• Authority Score: 50

---

## Relationship Graph

Limited relationship data identified:

• Same Network: DIGITALOCEAN-143-244-128-0

---

## Recommended Actions

Based on the moderate risk profile and neighborhood abuse density, the following firewall rules are recommended:

iptables:

```bash

iptables -A INPUT -s 143.244.144.51 -j DROP

```

nftables:

```bash

nft add rule inet filter input ip saddr 143.244.144.51 drop

```

nginx:

```nginx

deny 143.244.144.51;

```

Cloudflare WAF:

```json

{"description":"Block 143.244.144.51 — IPDebrief risk score 50","action":"block","filter":{"expression":"ip.src eq 143.244.144.51"}}

```

AWS WAF:

```json

{"Addresses":["143.244.144.51/32"],"Description":"IPDebrief risk 50"}

```

---

## Analyst Notes

While no active threat indicators are present, the IP resides in a subnet with 50% abuse density. The moderate risk score (50) suggests elevated but not confirmed malicious activity. SOC teams should:

1. Monitor for anomalous traffic patterns from this IP

2. Correlate with any observed security events

3. Consider blocking if traffic is observed from internal networks

4. Reassess if additional threat intelligence emerges

No immediate action required unless specific threat activity is observed.

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