45.43.57.97
## IP Intelligence Briefing: 45.43.57.97/32
Executive Summary
IP 45.43.57.97 is classified as Low Risk with a risk score of 25. The address belongs to UCLOUD (ASN 135377) within the ZL-HKG-UCLOUD-0055 network block. No active threat indicators were detected. The IP shows stable ownership patterns and operates within a low-abuse-density subnet.
Network Classification & Ownership
- Organization: UCLOUD
- ASN: 135377
- CIDR Block: 45.43.57.0/24
- Geolocation: US (California region; Hong Kong city data noted with 2500km accuracy radius)
- RIR: ARIN
- Network Role: Provider infrastructure with no active services exposed
Threat Assessment
- Overall Risk Score: 25 (Low Risk)
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Blacklist Count: 0
- Threat Indicators: None detected
- Known Campaigns: None
Service Exposure
- Open Ports: None detected
- DNS Resolution: Forward resolution failed; no PTR hostnames
- HTTP/HTTPS Services: Not exposed
- TLS Certificates: None
Neighborhood Analysis (45.43.57.0/24)
- Subnet Abuse Density: 0 (Clean)
- Total Neighbors: 3
- Risk Distribution: All low risk
- 45.43.57.51: Risk Score 25
- 45.43.57.157: Risk Score 15
- 45.43.57.229: Risk Score 0
- Classification: Low risk subnet with no high-risk siblings
Historical Observations
- Observation Count: 13 signals recorded
- Ownership Changes: 0 (Stable)
- Threat Persistence: 0 days
- Recent Signals: Ownership and geolocation data consistent across observations
Recommendations for SOC
1. Allow Traffic: No blocking recommended; IP shows no malicious indicators
2. Monitor Services: If traffic observed, verify expected services for UCLOUD infrastructure
3. Baseline Expectations: Subnet 45.43.57.0/24 demonstrates clean behavior; treat as benign cloud infrastructure
4. Review Geo Inconsistency: Note conflicting US/Hong Kong geolocation data; verify with additional sources if required for compliance
Actionable Firewall Rules
No specific blocking rules required. Standard allow policies apply for established UCLOUD traffic patterns.
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*Report generated: 2026-07-22 | Data Source: IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | UCLOUD |
| ASN | AS135377 |
| Network Name | ZL-HKG-UCLOUD-0055 |
| CIDR Block | 45.43.57.0/24 |
| RIR | ARIN |
| Country | Hong Kong |
| 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 | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 3389 | rdp | tcp | — |
| Closed Ports | 22, 25, 80, 443, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS135377 |
| Network Prefix | 45.43.57.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:58 UTC |
| Last Seen | 2026-08-22 13:02:14 UTC |
| Profile Built | 2026-08-29 10:49:32 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 45.43.57.97
Who owns the IP address 45.43.57.97?
45.43.57.97 is registered to UCLOUD. The address falls within the 45.43.57.0/24 network block. Registration is held at ARIN.
Where is 45.43.57.97 located?
Geolocation data places 45.43.57.97 in Los Angeles, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 45.43.57.97 malicious or safe?
45.43.57.97 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 45.43.57.97?
Responsive ports observed on 45.43.57.97 include 3389. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.