104.244.76.121
IP Intelligence Briefing: 104.244.76.121
Date: 2026-06-08
**Key Findings**
1. Threat Profile:
- Risk Score: 59 (Moderate Risk)
- Threat Indicators:
- Tor exit node activity detected.
- Flagged in 2 DNSBL listings (Spamhaus, etc.).
- Network Role: Tor exit node (no services or hosting detected).
2. Ownership & Geolocation:
- Provider: BuyVM (ASN 53667).
- Geolocation: US (California), but city field appears inconsistent (Roodt).
- Subnet: 104.244.76.0/24, with low abuse density (1/256 IPs flagged).
3. Observation History:
- Recent activity includes Tor exit signals and DNSBL listings.
- No persistent malicious behavior detected (threat persistence score: 0).
4. Network Relationships:
- Linked to BUYVM-LUXEMBOURG-01 network (multiple relationships).
- Subnet neighbors include 104.244.76.237 (risk score: 59).
**Actionable Recommendations**
- Monitor Traffic: Track outbound traffic from this IP, as Tor exit nodes are often used for covert communication or command-and-control (C2) activities.
- Block/Restrict: Consider blocking traffic from this IP or its subnet (104.244.76.0/24) to mitigate potential risks.
- Investigate Hosting Provider: Review BuyVM’s other IPs for similar risks, as the subnet shows a moderate abuse density.
- Check DNSBL Status: Verify if this IP remains listed in DNSBLs and adjust firewall rules accordingly.
**Conclusion**
This IP is a Tor exit node with moderate risk, flagged in DNSBLs, and part of a subnet with mixed risk. While not actively malicious, its association with Tor and DNSBL listings warrants close monitoring. SOC teams should prioritize blocking or restricting traffic from this IP and its network to reduce exposure.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | BuyVM |
| ASN | AS53667 |
| Network Name | — |
| CIDR Block | 104.244.72.0/21 |
| RIR | ARIN |
| Country | — |
| 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 | 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 | 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 5 |
| routing | 17% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 29% | 3 | 9 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 25% | 12 | 25 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-22 13:35:51 UTC |
| Last Seen | 2026-06-28 19:32:45 UTC |
| Profile Built | 2026-06-29 07:37:00 UTC |
| Data Freshness | Live |
| Signal Types | 27 |
| Total Observations | 58 |
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