# IP Intelligence Briefing: 176.53.159.197
Classification: MODERATE RISK
Date: July 22, 2026
Analysis ID: IB-176.53.159.197
## Executive Summary
IP 176.53.159.197 presents a moderate risk profile (Risk Score: 55) associated with a Turkish IP block under the "bshield" network. The IP is firewalled with no active services, but is listed on 3 of 8 DNSBLs with a route stability issue. Neighborhood analysis indicates low-to-moderate abuse density within the subnet.
## Risk Assessment
- Overall Risk Score: 55 (Moderate Risk)
- Provider Authority Score: 0
- Abuse Confidence: DNSBL listed on 3 of 8 blacklists
- Network Classification: Firewalled / No Services
## Network & Geographic Context
- ASN: 154383 (RIPE RIR)
- Organization: admin-c / bshield
- Geolocation: Turkey (Istanbul area - 41.02°N, 28.99°E)
- Geographic Validity: Confirmed plausible (RTT: 125ms avg, 2112km distance from probe location)
- Abuse Contact: abuse@bearshield.top
## Historical Trends
Analysis of 100 observation points reveals:
- Ownership Stability: No ownership changes detected
- Threat Persistence: 0 threat observation days
- Subnet Classification: Consistently classified as "clean" (abuse density: 0)
- Recent Activity: No new threat indicators or campaign correlations observed
- Geolocation Consistency: Stable coordinates with valid RTT measurements
## Neighborhood Analysis (176.53.159.0/24)
- Total Siblings: 5
- Abuse Density: 0 (clean)
- Risk Distribution: 0 high-risk, 1 medium-risk, 3 low-risk neighbors
- Notable Neighbor: 176.53.159.198 (Risk Score: 55) shows similar risk profile
- Threat Siblings: 0
## Control Plane & DNSBL Status
- Route Stability: Unstable (isRouteStable: false)
- Route Changes (30d): 0
- DNSBL Listings: 3/8 lists
- RPKI/IRR Status: Not validated
- Bogon Check: Passed (not bogon)
## Recommended Actions
1. Firewall Policy: Monitor ingress traffic from 176.53.159.0/24; no immediate block required but maintain logging
2. DNSBL Monitoring: Investigate root cause of 3 DNSBL listings if legitimate outbound traffic expected
3. Route Stability: Flag for network team review if origin ASN traffic patterns inconsistent with expected routing
4. Neighbor Correlation: 176.53.159.198 exhibits similar risk profile; monitor both IPs for coordinated activity
5. Geolocation Validation: RTT measurements confirm Istanbul-based origin; verify against expected traffic patterns
## Conclusion
This IP represents moderate risk primarily due to DNSBL listings and route instability. The subnet maintains clean classification with no active threat siblings. No immediate blocking required; maintain monitoring with awareness of Turkey-based origin and neighbor correlation with 176.53.159.198.
Clearance Level: SOC Analyst - Standard Review Required
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | admin-c |
| ASN | AS154383 |
| Network Name | bshield |
| CIDR Block | 176.53.159.0/24 |
| RIR | RIPE |
| Country | TR |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| 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 | AS154383 |
| Network Prefix | 176.53.159.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 18% | 1 | 2 |
| geolocation | 21% | 2 | 2 |
| Overall | 19% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:13 UTC |
| Last Seen | 2026-09-29 20:35:38 UTC |
| Profile Built | 2026-09-28 14:56:36 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 176.53.159.197
Who owns the IP address 176.53.159.197?
176.53.159.197 is registered to admin-c. The address falls within the 176.53.159.0/24 network block. Registration is held at RIPE.
Where is 176.53.159.197 located?
Geolocation data places 176.53.159.197 in Turkey. The local time zone is Europe/Istanbul. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 176.53.159.197 malicious or safe?
176.53.159.197 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.