58.221.208.214📋 Copy

# IP Intelligence Briefing: 58.221.208.214/32

Classification: Moderate Risk (Score: 40)

Assessment Date: 2026-06-18

Data Source: IPDebrief Intelligence Platform

---

## Executive Summary

IP address 58.221.208.214 is a mobile network device originating from China Telecom's infrastructure in Nantong, Jiangsu Province, China. The IP operates under AS4134 (Chinanet) within the 58.208.0.0/12 BGP prefix. Risk assessment indicates moderate concern (40/100) with no active threat indicators, though the IP is listed on 2 of 8 DNSBL lists. Recommended action: Monitor with optional blocking based on organizational policy.

---

## Network Identity

---

## Technical Classification

• Network Type: Mobile Device (LTE/5G)
• Connection Technology: China Telecom (MCC: 460, MNC: 03)
• Services: Firewalled / No Services Detected
• Open Ports: None
• DNS Resolution: No PTR hostnames; forward resolution failed
• SSL/TLS: No certificates detected
• HTTP Services: None

---

## Threat Indicators

---

## Control Plane Analysis

• Origin ASN: 4134
• Route Stability: Stable (no route changes in 30 days)
• RPKI State: Not validated
• IRR Consistency: Not checked
• DNSSEC Valid: Yes
• Operator Score: 0.3913 (Basic)
• Delegation Age: 8,707 days

---

## Neighborhood Assessment

Subnet: 58.221.208.214/24

---

## Observation History

Total Observations: 21 signals

Recent Activity (2026-06-18):

• Geolocation Signal: Nantong, JS, CN (confidence: 0.95) – Source: AlienVault OTX
• Operator Assessment: Basic (score: 0.3913) with 4 of 8 signals detected
• Threat Signal: Has threats flagged (pulse count: 11)
• Routing Signal: BGP communities active (8 communities), no blackholing detected

Historical Trends:

• Ownership changes: 0
• Threat observation count: 1
• Persistently malicious: No

---

## Relationship Graph

18 Relationships Identified:

• All 18 relationships map to "Same Network" entity: CHINANET-JS
• No relationships to external organizations, hostnames, or certificates detected

---

## Recommended Security Actions

Firewall Rules

iptables:

```bash

iptables -A INPUT -s 58.221.208.214 -j DROP

```

nftables:

```bash

nft add rule inet filter input ip saddr 58.221.208.214 drop

```

nginx:

```nginx

deny 58.221.208.214;

```

pfSense:

```

58.221.208.214/32

```

Cloudflare WAF:

```json

{

"description": "Block 58.221.208.214 — IPDebrief risk score 40",

"action": "block",

"filter": {

"expression": "ip.src eq 58.221.208.214"

}

}

```

AWS WAF:

```json

{

"Addresses": ["58.221.208.214/32"],

"Description": "IPDebrief risk 40"

}

```

---

## Intelligence Assessment

The IP 58.221.208.214 represents a mobile device from China Telecom's infrastructure in Nantong, China. The moderate risk score (40) is primarily driven by:

1. DNSBL listings (2 of 8 lists)

2. Mobile network classification

3. Basic operator assessment

However, threat indicators show no active malicious activity, no known campaigns, and no open services. The subnet shows minimal abuse density with mostly clean classification.

Recommendation: Monitor with optional blocking. No immediate threat activity detected. The DNSBL listings warrant investigation if blocking is implemented.

---

Report Generated: 2026-06-18

Intelligence Source: IPDebrief Platform

Classification: Defensive Security Intelligence

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