45.76.153.27
THREAT INTELLIGENCE BRIEFING
Target IP: 45.76.153.27/32
Date: 2026-08-05
Classification: Low Risk
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SUMMARY
IP 45.76.153.27 is a cloud infrastructure host operated by Vultr Holdings, LLC (ASN: 20473). The address resolves to a Singapore-based cloud compute environment with standard web server services (HTTP/HTTPS). Current risk assessment indicates Low Risk status with a risk score of 25.
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OWNERSHIP & NETWORK DETAILS
- Organization: Vultr Holdings, LLC
- ASN: 20473 (Vultr)
- Network Block: 45.76.152.0/23 (CIDR: NET-45-76-152-0-23)
- Geolocation: Singapore (SG)
- Infrastructure Type: Cloud Compute, Hosting Service
- DNS Resolution: 45.76.153.27.vultrusercontent.com
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THREAT ASSESSMENT
- Risk Score: 25 (Low Risk)
- Threat Indicators: None detected
- Blacklist Status: Not listed on major threat feeds
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Campaign Association: No active campaigns linked
- DNSBL Listings: 1 of 8 lists (dnsblListedCount: 1, dnsblTotalLists: 8)
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SERVICE FINGERPRINT
- Open Ports: 80/tcp (HTTP), 443/tcp (HTTPS)
- Email Authentication: SPF and DMARC configured
- Server Purpose: Web Server
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NEIGHBORHOOD ANALYSIS
The /24 subnet (45.76.153.0/24) shows:
- Abuse Density: 0.5 (moderate)
- Classification: Mostly Clean
- Siblings: 2 active, 1 identified as threat
- Neighbor IP: 45.76.153.20 (Risk Score: 25, Authority Score: 50)
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OBSERVATION HISTORY
Analysis of 24 historical observations reveals:
- No ownership changes detected
- No persistent malicious behavior observed
- Single threat observation recorded
- Recent subnet classification: "mostly_clean" with inherited risk of 2
- One geolocation signal indicated US (39.83, -98.58) with 35% confidence, creating minor geo-inconsistency with Singapore consensus
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RELATIONSHIPS
- Network Associations: Multiple relationships to NET-45-76-152-0-23
- DNS Associations: 45.76.153.27.vultrusercontent.com
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RECOMMENDED ACTIONS
No immediate blocking or mitigation actions recommended. The IP demonstrates standard cloud hosting behavior with no active malicious indicators. Monitor for changes in DNSBL status or emergence of threat indicators.
Rating: LOW PRIORITY - Routine cloud infrastructure host with minimal threat indicators.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Vultr Holdings, LLC |
| ASN | AS20473 |
| Network Name | NET-45-76-152-0-23 |
| CIDR Block | 45.76.152.0/23 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 45.76.153.27.vultrusercontent.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 45.76.153.27.vultrusercontent.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| 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 | 42% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 30% | 2 | 3 |
| reputation | 31% | 1 | 4 |
| geolocation | 30% | 2 | 3 |
| Overall | 29% | 10 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-21 12:55:36 UTC |
| Last Seen | 2026-08-12 16:03:54 UTC |
| Profile Built | 2026-08-12 16:16:49 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 26 |
Full dossier details are available via our API.