183.23.133.137
IP Intelligence Briefing: 183.23.133.137
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership: China Telecom (ASN 4134, CHINANET-GD)
- Geolocation: Shenzhen, Guangdong, China (22.55°N, 114.07°E)
- Network Role: Mobile Carrier (LTE/5G)
- Threat Indicators: No malware, phishing, or scanning activity detected.
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**2. Observation History**
- Latest Activity: June 9, 2026 (DNS/routing data, no malicious signals).
- Trends: No persistent threats or ownership changes noted.
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**3. Relationships**
- Linked Entities:
- Subnet: 183.0.0.0/10 (CHINANET-GD)
- No direct connections to known malicious domains or organizations.
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**4. Neighborhood Analysis**
- Subnet: 183.23.133.137/24
- Abuse Density: 0% (no risky neighbors detected).
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**5. Recommended Actions**
- Firewall Rules:
- iptables: `iptables -A INPUT -s 183.23.133.137 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 183.23.133.137 drop`
- Cloudflare WAF: Block IP with rule `ip.src eq 183.23.133.137`
- AWS WAF: Add `183.23.133.137/32` to IP set.
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**6. Summary**
The IP (183.23.133.137) is part of China Telecom’s CHINANET-GD network in Shenzhen, China. No malicious activity or threats were detected in its profile, history, or relationships. While the moderate risk score suggests monitoring, no immediate action is required. Implement the provided firewall rules as a precautionary measure. Continue to observe for any anomalies in network behavior.
Next Steps:
- Monitor for changes in ownership or threat indicators.
- Validate DNSSEC and routing integrity for the subnet.
- Ensure compliance with regional data regulations for Chinese-based traffic.
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*Generated via IPDebrief threat intelligence platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IPMASTER CHINANET-GD |
| ASN | AS4134 |
| Network Name | CHINANET-GD |
| CIDR Block | 183.0.0.0/10 |
| RIR | APNIC |
| Country | CN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 14% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-21 02:15:43 UTC |
| Last Seen | 2026-06-09 07:51:10 UTC |
| Profile Built | 2026-06-09 07:53:45 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.