## IP Intelligence Briefing: 14.23.77.27/32
Classification: High Risk (Score: 80/100)
Date of Analysis: June 2026
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Ownership and Infrastructure
The IP address belongs to ASN 4134 (IPMASTER CHINANET-GD), registered under APNIC in the 14.16.0.0/12 CIDR block. Geolocation data places the endpoint in Guangdong Province, China (Guangzhou), with a 2500km accuracy radius. The endpoint is identified as mobile infrastructure operated by China Telecom Corp. Ltd. (MCC: 460, MNC: 03, Technology: LTE/5G).
Threat Profile
Despite the elevated risk score of 80/100, no active threat indicators are present. The IP is not flagged as a known attacker, spam source, or Tor exit node. Blacklist analysis returned 0 hits across monitored feeds. DNSBL listing shows 6 matches out of 8 total lists, indicating prior reputation issues or false positives.
Network Behavior and Services
The endpoint shows "Firewalled / No Services" status with no open ports detected. DNS resolution is absent (no PTR hostnames, no forward resolution). TLS certificates and HTTP services are not exposed. The control plane indicates route instability with recent route changes detected in the last 30 days.
Neighborhood Analysis
The /24 subnet (14.23.77.0.0/24) is classified as "mostly_clean" with an abuse density of 1. One neighboring IP (14.23.77.82) exhibits a medium risk score of 40/100 with an authority score of 50, suggesting potential localized reputation degradation within the subnet.
Historical Observations
Sixteen signal observations recorded between June 2026 show temporal patterns in geolocation inference and operator scoring. Operator scores ranged from 0.1304 to 0.30, indicating minimal to low-level operator reputation. No persistent malicious behavior detected (threat persistence days: 0).
Recommended Actions
Immediate: Block traffic at perimeter firewall and WAF layers due to elevated risk profile.
- iptables: `iptables -A INPUT -s 14.23.77.27 -j DROP`
- Cloudflare WAF: Block via expression `ip.src eq 14.23.77.27`
- AWS WAF: Add `14.23.77.27/32` to blocked addresses
Monitoring: Increase logging verbosity for any observed traffic from this IP to enable correlation with other threat signals.
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Analyst Notes: While the IP presents an elevated risk score (80/100), the absence of active threat indicators, blacklists, and known campaign associations suggests the risk may be related to infrastructure reputation or historical issues. The mobile carrier classification and firewalled status indicate limited active exploitation potential. Recommend monitoring the neighboring IP 14.23.77.82 for correlated activity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IPMASTER CHINANET-GD |
| ASN | AS4134 |
| Network Name | CHINANET-GD |
| CIDR Block | 14.16.0.0/12 |
| RIR | APNIC |
| Country | CN |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 24% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 24% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 20% | 9 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:03:41 UTC |
| Last Seen | 2026-06-26 18:10:38 UTC |
| Profile Built | 2026-06-22 14:51:56 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 16 |
Full dossier details are available via our API.