153.51.238.43
# IP INTELLIGENCE BRIEFING
Target: 153.51.238.43/32
Classification: LOW RISK
Date: 2026-07-29
Analysis: Defensive Threat Intelligence
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## EXECUTIVE SUMMARY
IP 153.51.238.43 presents as a low-risk infrastructure address with no active malicious indicators. The IP operates in a firewalled state with no accessible services and demonstrates stable ownership under admin-ipbroker. While geolocation signals show minor inconsistencies, the address shows no persistent malicious behavior and no historical threat patterns.
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## RISK PROFILE
| Metric | Value |
|---|---|
| Overall Risk Score | 25 (LOW) |
| Reputation | Low Risk |
| Provider Score | 0 |
| Authority Score | 0 |
| Stability Score | 0 |
| Abuse Confidence | Not Reported |
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## OWNERSHIP & NETWORK CONTEXT
- ASN: 264628
- Organization: admin-ipbroker
- Network Name: Corp_Fibex_Net001
- CIDR Block: 153.51.224.0/20
- RIR: APNIC
- Abuse Contact: abuse@fibextelecom.net (RDAP)
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## GEOLOCATION ANALYSIS
Multiple geolocation signals detected with conflicting data:
- Primary Signal: ES (Spain) - Valencia
- Secondary Signal: VE (Venezuela) - 153.51.238.0/24
- Accuracy Radius: 500 km
- Status: Geo consensus true; geoPlausible false
The geolocation inconsistencies warrant monitoring but do not indicate active deception.
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## NETWORK BEHAVIOR
- Service Status: Firewalled / No Services
- Open Ports: None detected
- DNS Resolution: No forward resolution
- Hosted Domains: 0
- Email Auth: No SPF/DMARC records
The address is not hosting active services and appears to be a reserved or administrative IP.
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## THREAT INTELLIGENCE
| Indicator | Status |
|---|---|
| Tor Exit Node | No |
| Known Attacker | No |
| Spam Source | No |
| Blacklist Count | 0 |
| DNSBL Listings | 1 of 8 lists |
| Known Campaigns | None |
| Threat Persistence | Not Persistent |
No active threat indicators or campaign associations detected.
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## OBSERVATION HISTORY
Total Observations: 17
Recent Activity: 2026-07-29
Key temporal signals:
- Ownership stable (0 changes recorded)
- Port scanning detected but no services responding
- Single threat observation event (not persistent)
- Average ownership duration: Not calculated
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## SUBNET ANALYSIS (153.51.238.0/24)
- Abuse Density: 0
- Total Neighbors: 3
- Risk Distribution: 0 High, 1 Medium, 2 Low
- Neighbor IPs:
- 153.51.238.81: Risk 25, Authority 50
- 153.51.238.93: Risk 25, Authority 50
- 153.51.238.225: Risk 40, Authority 50
Subnet shows minimal abuse activity with no high-risk neighbors.
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## NETWORK RELATIONSHIPS
- Network Association: Corp_Fibex_Net001
- Related Entities: 1
Limited relationship footprint indicates isolated infrastructure.
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## RECOMMENDED ACTIONS
Status: No Action Required
Risk-Based Recommendations: None
The IP presents low risk with no actionable threat indicators. Standard monitoring practices are sufficient.
---
## CONCLUSION
IP 153.51.238.43 is classified as LOW RISK with no active malicious behavior. The address operates in a non-service state with stable ownership and no persistent threat patterns. While geolocation signals show minor inconsistencies, these do not indicate adversarial activity. No firewall rules or blocking measures are warranted. Continue standard monitoring but no immediate escalation required.
---
Intelligence Product: IPDebrief
Classification: DEFENSIVE SECURITY ANALYSIS
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | admin-ipbroker |
| ASN | AS264628 |
| Network Name | Corp_Fibex_Net001 |
| CIDR Block | 153.51.224.0/20 |
| RIR | APNIC |
| Country | VE |
| 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 | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS264628 |
| Network Prefix | 153.51.238.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 17% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 14% | 1 | 3 |
| geolocation | 17% | 2 | 3 |
| Overall | 14% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-20 18:35:33 UTC |
| Last Seen | 2026-09-02 22:33:57 UTC |
| Profile Built | 2026-09-02 22:34:35 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 153.51.238.43
Who owns the IP address 153.51.238.43?
153.51.238.43 is registered to admin-ipbroker. The address falls within the 153.51.224.0/20 network block. Registration is held at APNIC.
Where is 153.51.238.43 located?
Geolocation data places 153.51.238.43 in Valencia, Carabobo, Spain. The local time zone is Europe/Madrid. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 153.51.238.43 malicious or safe?
153.51.238.43 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.