# IP Intelligence Briefing: 38.226.206.44/32
Classification: Low Risk / Provider Infrastructure
Date: 2026-07-29
Analyst: IPDebrief SOC Intelligence Team
---
## Executive Summary
IP 38.226.206.44 is assigned to Cogent Communications, LLC (ASN 267578) within the COGENT-A network. The IP exhibits a risk score of 25 (low risk), operates with no open services, and is currently firewalled. However, the control plane indicates the IP is listed on 8 DNS blacklists with one listing flagged at high severity, warranting monitoring despite the overall low-risk classification.
---
## Network Ownership & Classification
- Organization: Cogent Communications, LLC
- ASN: 267578
- Network: COGENT-A (38.0.0.0/8)
- Geolocation: Rio de Janeiro, Brazil (primary consensus); historical signals indicate US origin with lower confidence
- Infrastructure Type: Provider backbone network
- Service Status: Firewalled / No active services detected
---
## Threat Indicators
- Abuse Confidence Score: Not calculated
- Blacklist Status: Listed on 8 DNS blacklists; 1 high-severity listing detected
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Active Threat Indicators: None currently
- Campaign Associations: None identified
---
## Neighborhood Analysis
The /24 subnet (38.226.206.0/24) contains 5 sibling IPs with the following risk distribution:
- High Risk: 0
- Medium Risk: 3 (38.226.206.8, 38.226.206.58, 38.226.206.152)
- Low Risk: 2 (38.226.206.216, 38.226.206.248)
- Subnet Abuse Density: 0%
---
## Historical Observation Timeline
Thirteen observations recorded, most recent from 2026-07-29:
- ASN Signal: AS174 Cogent Communications (US) detected with 0.75 confidence
- DNSSEC: Valid (RRIG present)
- Ownership Stability: No ownership changes detected
- Threat Persistence: No persistent malicious behavior observed
- Blacklist Evolution: Multiple DNS blacklist listings observed
---
## Recommended Actions
Firewall Rules:
```bash
# Block high-severity blacklist listings
iptables -A INPUT -s 38.226.206.44 -j DROP
# Monitor for port scanning activity
nft add rule inet filter input ip saddr 38.226.206.44 ct state new log
```
WAF Rules:
```nginx
# Cloudflare/AWS WAF
location / {
if ($remote_addr = "38.226.206.44") {
return 403 "Blocked by security policy";
}
}
```
---
## Intelligence Assessment
The IP maintains provider infrastructure characteristics with no active service exposure. The blacklist presence, particularly the high-severity listing, suggests prior abuse activity. The subnet shows mixed risk profiles among siblings, indicating potential shared infrastructure abuse. Continue monitoring for service activation or additional threat indicator emergence.
---
*Data Source: IPDebrief Intelligence Platform*
*Confidential - For SOC Defense Use Only*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Cogent Communications, LLC |
| ASN | AS267578 |
| Network Name | COGENT-A |
| CIDR Block | 38.0.0.0/8 |
| RIR | ARIN |
| 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 | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ 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 | โ |
| 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 | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 4% | 1 | 2 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-24 02:13:57 UTC |
| Last Seen | 2026-07-29 21:30:14 UTC |
| Profile Built | 2026-07-29 21:48:56 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.