159.223.85.255📋 Copy

# IP INTELLIGENCE BRIEFING

IP Address: 159.223.85.255/32

Generated: Analysis completed using comprehensive threat intelligence tools

---

## EXECUTIVE SUMMARY

IP 159.223.85.255 is a DigitalOcean cloud infrastructure address located in Singapore with a moderate risk score of 40. The IP shows no active threat indicators but is DNSBL-listed on 2 of 8 threat feeds. Recommended for defensive blocking pending correlation with additional threat signals.

---

## INFRASTRUCTURE PROFILE

---

## THREAT ASSESSMENT

Current Status: No active malicious indicators detected.

Threat Indicators:

• Known attacker: No
• Spam source: No
• Tor exit node: No
• Known campaigns: None
• Blacklist count: 0
• DNSBL lists: 2 of 8

Service Exposure: No open ports detected. The IP is classified as "Firewalled / No Services" with no TLS certificates, HTTP titles, or service banners observed.

---

## NETWORK CONTEXT

Subnet Analysis (159.223.85.0/24):

• Abuse density: 0.5
• Classification: mostly_clean
• Active siblings: 0
• Threat siblings: 1

Related IP: 159.223.85.210 (Risk Score: 25) – identified as a neighbor with elevated risk profile.

---

## OBSERVATION HISTORY

Total Observations: 18 signals recorded

Key Findings:

• No ownership changes detected
• Threat persistence days: 0
• Not persistently malicious
• Recent geolocation signals indicate Singapore placement with 45km accuracy radius
• All ownership signals show consistent DigitalOcean registration

---

## RELATIONSHIPS

The IP resolves to three network-level relationships, all pointing to the same network entity "DO-13" (DigitalOcean network 159.223.0.0/16). No hostname, certificate, or organization-level relationships beyond the network were identified.

---

## DEFENSIVE RECOMMENDATIONS

Based on the risk profile of 40, the following firewall rules are recommended:

iptables:

```bash

iptables -A INPUT -s 159.223.85.255 -j DROP

```

nftables:

```bash

nft add rule inet filter input ip saddr 159.223.85.255 drop

```

nginx:

```nginx

deny 159.223.85.255;

```

Cloudflare WAF: Block IP with expression `ip.src eq 159.223.85.255`

AWS WAF: Add IP 159.223.85.255/32 to block list

pfsense: Add rule for 159.223.85.255/32

---

## INTELLIGENCE NOTES

1. The moderate risk score (40) combined with DNSBL presence warrants defensive blocking in high-threat environments.

2. No active threat indicators suggest this IP may be used for legitimate cloud infrastructure or could be part of a compromised cloud tenant.

3. Monitor the neighboring IP 159.223.85.210 (risk score 25) for additional context on subnet-level activity.

4. The /24 subnet shows 0.5 abuse density – consider broader subnet monitoring if threat correlation develops.

---

Classification: DEFENSIVE SECURITY INTELLIGENCE

Distribution: SOC Analysts, Network Operations

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