# IP Intelligence Briefing: 5.255.231.12/32
Classification: LOW RISK / INFRASTRUCTURE
Report Date: Current
Primary Organization: YANDEX LLC (Russian Federation)
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## Executive Summary
IP 5.255.231.12 is a low-risk infrastructure address belonging to YANDEX LLC. The IP is associated with Yandex's spider service infrastructure and presents minimal threat indicators. No actionable security actions are recommended based on current risk assessment.
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## Risk Assessment
- Overall Risk Score: 25/100 (Low Risk)
- Reputation: Low Risk
- Abuse Confidence Score: Not applicable
- Blacklist Status: Clean (0 blacklist entries)
- Known Campaign Association: None detected
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## Ownership & Network Context
- Organization: YANDEX LLC
- Network Block: 5.255.231.0/24 (YANDEX-5-255-231-0)
- Country: Russia (RU)
- City: RUSSIAN FEDERATION
- Network Role: Infrastructure / Firewalled
- ASN: Not identified
- RIR: Ripe
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## Technical Profile
- DNS Resolution: 5-255-231-12.spider.yandex.com (forward confirmed)
- Open Ports: None detected
- Services: Firewalled / No services exposed
- TLS Certificate: Not present
- Email Authentication: SPF: Yes, DMARC: Yes
- HTTP/HTTPS: Not active
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## Threat Indicators
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Vulnerability Scans: Not detected
- Honeypot Hits: 0
- WAF Violations: 0
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## Neighborhood Analysis (5.255.231.0/24)
- Subnet Size: 51 total IPs
- Abuse Density: 0
- Risk Distribution:
- High Risk: 0
- Medium Risk: 1
- Low Risk: 50
- Neighboring IPs: Multiple addresses with riskScore 25, authorityScore 60 (consistent with infrastructure classification)
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## Historical Observations
- Total Observations: 15
- Recent Activity: 2026-07-26
- Geolocation Consistency: Stable (Russia/RU)
- Ownership Changes: 0
- Threat Persistence: 0 days
- Signal Trend: Stable infrastructure profile
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## Entity Relationships
- Network Association: YANDEX-5-255-231-0
- DNS Association: 5-255-231-12.spider.yandex.com
- Related Hostnames: Yandex spider infrastructure
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## Recommended Actions
No immediate security actions required.
- Firewall Rules: None recommended
- Block/Allow Decision: Allow with monitoring (low-risk infrastructure)
- Investigation Priority: Low
The IP exhibits characteristics of legitimate Yandex infrastructure with no threat indicators. The subnet shows minimal abuse density, and the address is properly registered with established email authentication records.
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## Intelligence Notes
This IP belongs to Yandex's legitimate infrastructure and is associated with their spider service. The absence of open ports and services, combined with the low-risk classification and clean blacklist status, indicates this is a well-maintained infrastructure address. No correlation with known malicious campaigns or threat actor activity was detected.
Recommendation: Continue standard monitoring. No blocking or alerting required at this time.
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*Report generated via IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | YANDEX LLC |
| ASN | AS208722 |
| Network Name | YANDEX-5-255-231-0 |
| CIDR Block | 5.255.231.0/24 |
| RIR | RIPE |
| Country | RU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 5-255-231-12.spider.yandex.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 5-255-231-12.spider.yandex.com |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | Unknown |
| Network Prefix | 5.255.192.0/18 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 34% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 23% | 2 | 4 |
| reputation | 33% | 1 | 5 |
| geolocation | 17% | 2 | 3 |
| Overall | 21% | 10 | 20 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 02:19:09 UTC |
| Last Seen | 2026-09-05 19:51:32 UTC |
| Profile Built | 2026-09-05 19:55:27 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 32 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 5.255.231.12
Who owns the IP address 5.255.231.12?
5.255.231.12 is registered to YANDEX LLC. The address falls within the 5.255.231.0/24 network block. Registration is held at RIPE.
Where is 5.255.231.12 located?
Geolocation data places 5.255.231.12 in RUSSIAN FEDERATION, Leo, Russia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 5.255.231.12 malicious or safe?
5.255.231.12 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 5.255.231.12?
The reverse DNS (PTR) record for 5.255.231.12 is 5-255-231-12.spider.yandex.com. This hostname is forward-confirmed, meaning it resolves back to the same address.