# IP Intelligence Briefing: 154.18.255.9
Classification: LOW RISK | Date of Analysis: 2026-07-29 | Source: IPDebrief Intelligence Platform
## Executive Summary
IP address 154.18.255.9 presents minimal threat indicators and is classified as low risk. The address is associated with Cogent Communications, LLC (ASN 142393), a tier-1 transit provider, and demonstrates no active malicious behavior. No immediate defensive actions are required.
## Risk Assessment
- Overall Risk Score: 25 (Low Risk)
- Provider Score: 0
- Authority Score: 0
- Abuse Confidence Score: Not applicable
- Blacklist Count: 0 (DNSBL: 1 of 8 lists)
## Network Ownership & Geolocation
- Organization: Cogent Communications, LLC
- ASN: 142393
- BGP Prefix: 154.18.255.0/24
- Country: United States
- Region: Denver, Colorado (Geo consensus: true)
- RIR: AFRINIC
- Route Stability: False (route changes observed in 30-day window)
## Technical Profile
- Network Role: Firewalled / No Services
- Open Ports: None detected
- DNS Resolution: Not confirmed (no PTR hostnames)
- Forward Resolution: 0 hostnames
- TLS/HTTP Services: None detected
- Network Classification: Not CDN, not Cloud, not Hosting, not Proxy, not Tor
## Threat Indicators
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Campaign Associations: None
- Threat Persistence Days: 0
- Threat Observation Count: 0
- Is Persistently Malicious: False
- Honeypot Hits: 0
## Relationship & Neighborhood Analysis
- Related Entities: None detected
- Subnet Abuse Density: 0 (154.18.255.0/24)
- Threat Siblings in Subnet: 0
- Neighbor IPs: 0 detected
- Route Changes (30d): 0
## Observation History
- Total Observations: 11
- Recent Activity: 2026-07-29
- Ownership Changes: 0
- Signal Types Observed: 5 (organization, geolocation, operator scoring, routing, risk assessment)
- Threat Feeds: None
## Recommended Actions
Based on current risk profile:
1. Monitoring: Standard passive monitoring only. No blocking required.
2. Firewall Rules: No restrictive rules needed. Allow traffic based on policy.
3. Alerting: No alerts required for this IP.
4. Investigation: Not warranted at this time.
## SOC Analyst Notes
This IP belongs to a legitimate Tier-1 transit provider (Cogent Communications) with no active threat indicators. The single DNSBL listing is likely a false positive or unrelated to malicious activity. Route instability is noted but does not indicate compromise. Continue standard traffic monitoring without special attention.
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*Generated by IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Cogent Communications, LLC |
| ASN | AS142393 |
| Network Name | COGENT-154-18-16 |
| CIDR Block | 154.18.0.0/16 |
| RIR | AFRINIC |
| Country | United States |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | โ |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ 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 |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-24 14:25:56 UTC |
| Last Seen | 2026-07-29 23:35:06 UTC |
| Profile Built | 2026-07-29 23:52:23 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 19 |
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