27.79.41.251 is an IPv4 address operated by IRT-VNNIC-AP (AS7552), geolocated to Da Nang, Vietnam. Its reverse DNS name is localhost. As of August 29, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
# IP Intelligence Briefing: 27.79.41.251/32
## Executive Summary
IP address 27.79.41.251 presents a low individual risk profile (Risk Score: 25) but operates within a subnet exhibiting elevated abuse density (0.032). Geographic inconsistencies between ownership registration and geolocation signals warrant monitoring. No direct threat indicators observed.
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## Risk Assessment
- Overall Risk Score: 25 (Low Risk)
- Provider Score: 0
- Authority Score: 0
- Abuse Confidence Score: Not available
- Threat Classification: Low Risk
- Persistence Status: Not persistently malicious (0 threat persistence days, 0 threat observations)
---
## Ownership & Network Intelligence
- ASN: 7552
- Organization: IRT-VNNIC-AP
- Network Name: VIETTEL-VN
- RIR: APNIC (Asia-Pacific)
- CIDR Block: 27.64.0.0/12
- BGP Prefix: 27.79.40.0/21
- Route Stability: Unstable (isRouteStable: false)
- Operator Score: 0.1304 (Minimal)
---
## Geolocation Analysis
Significant Discrepancy Detected:
- Registered Ownership: Vietnam (APNIC region, IRT-VNNIC-AP)
- Geolocation Signals:
- US (Boston, MA) - Multiple sources
- Vietnam (Da Nang, maxmind-geolite2-city) - Conflicting signal
This geographic inconsistency suggests potential proxy usage, misconfigured infrastructure, or spoofed location data.
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## Threat Indicators
- Blacklist Count: 0
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Vulnerability Scanner Activity: 0 incidents
- WAF Violations: 0
- Honeypot Hits: 0
---
## Network Services & DNS
- Open Ports: None detected
- DNS Status:
- PTR Hostnames: localhost
- Forward Resolution: localhost
- Forward Confirmed: No
- Forward Hostnames: localhost
- Email Authentication: No SPF, no DMARC records
- Service Purpose: Firewalled / No Services
---
## Subnet Neighborhood Analysis (27.79.41.0/24)
- Total Siblings: 31
- Abuse Density: 0.032
- Risk Distribution:
- High Risk: 1
- Medium Risk: 17
- Low Risk: 13
Notable High-Risk Neighbors:
| IP Address | Risk Score | Authority Score |
|---|---|---|
| 27.79.41.196 | 80 | 50 |
| 27.79.41.78 | 65 | 50 |
| 27.79.41.136 | 65 | 50 |
| 27.79.41.254 | 55 | 50 |
The subnet demonstrates moderate abuse concentration. The target IP's risk score (25) is below the subnet median.
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## Historical Signal Analysis (13 Observations)
Recent observations indicate:
- Vietnam-based ownership signals (IRT-VNNIC-AP, VIETTEL-VN)
- Mixed geolocation data (US and Vietnam signals)
- No escalating threat pattern
- No significant ownership changes
---
## Relationships
- Network Association: VIETTEL-VN
- DNS Associations: localhost (multiple records)
---
## Recommended Actions
No specific firewall rules or mitigation actions recommended at this time. The IP presents low individual risk with no active threat indicators. However, the following considerations apply:
1. Monitor Geographic Inconsistencies: The discrepancy between APNIC-registered Vietnam ownership and US geolocation signals warrants periodic re-validation.
2. Subnet Context: Monitor the 27.79.41.0/24 subnet for elevated activity. One neighbor (27.79.41.196) shows high risk score (80).
3. Baseline Establishment: Continue monitoring for changes in geolocation consistency and threat signal accumulation.
4. No Immediate Block: Current risk profile does not warrant defensive blocking. Maintain observation status.
---
## Conclusion
IP 27.79.41.251 is a low-risk infrastructure endpoint with no active threat indicators. The primary intelligence concern is geographic signal inconsistency and subnet-level abuse density. No immediate action required; maintain baseline monitoring and watch for signal escalation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-VNNIC-AP |
| ASN | AS7552 |
| Network Name | VIETTEL-VN |
| CIDR Block | 27.64.0.0/12 |
| RIR | APNIC |
| Country | VN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | localhost |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | localhost |
🔐 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7552 |
| Network Prefix | 27.79.40.0/21 |
| 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 | 2026-07-08 06:55:09 UTC |
| Last Seen | 2026-10-06 06:37:19 UTC |
| Profile Built | 2026-08-29 07:02:01 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 27.79.41.251
Who owns the IP address 27.79.41.251?
27.79.41.251 is registered to IRT-VNNIC-AP. The address falls within the 27.64.0.0/12 network block. Registration is held at APNIC.
Where is 27.79.41.251 located?
Geolocation data places 27.79.41.251 in Da Nang, Da Nang, Vietnam. The local time zone is Asia/Ho_Chi_Minh. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 27.79.41.251 malicious or safe?
27.79.41.251 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 is the hostname for 27.79.41.251?
The reverse DNS (PTR) record for 27.79.41.251 is localhost. This hostname is not forward-confirmed, so it should be treated as a weak signal.