158.51.99.19
IP 158.51.99.19 was identified as an asset owned by TNAHOSTING (ASN 32181) within the 158.51.98.0/23 block. Ownership records listed the location as Schaumburg, Illinois, United States. Operational analysis showed the host functioned as a colocation server running a Caddy web service on TCP port 80.
Threat intelligence assigned a Low Risk score of 25 with a minimal operator score. Despite the low-risk classification, the address was flagged as a Suspicious Host with one DNSBL listing present. DNS hygiene was rated Fair due to the absence of DMARC records, while SPF validation was confirmed.
Temporal data showed observations spanning from 2026-08-31 to 2026-09-24. Geolocation validation contradicted RTT physics measurements, indicating a potential data discrepancy. The immediate subnet was classified as clean, and no active campaigns or known attacker classifications were confirmed. The recommendation was to Monitor the asset with Low severity due to signal contradictions.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | TNAHOSTING |
| ASN | AS32181 |
| Network Name | TNA-1 |
| CIDR Block | 158.51.98.0/23 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | chi2.us.ntp.li |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | chi2.us.ntp.li |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Single-Service Host |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Caddy |
| 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 | 35% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 42% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 1 |
| geolocation | 13% | 1 | 1 |
| Overall | 24% | 9 | 12 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-31 20:39:28 UTC |
| Last Seen | 2026-09-24 03:59:19 UTC |
| Profile Built | 2026-09-24 04:10:40 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 31 |
Full dossier details are available via our API.