65.100.20.135
IP 65.100.20.135 was identified as a residential endpoint owned by CenturyLink Communications, LLC (ASN 209) within the CENTURYLINK-LEGACY-QWEST-INET-115 block. Geolocation data placed the address in Denver, United States. Analysis recorded a risk score of 25, labeled as Low Risk.
Threat intelligence revealed no active indicators, with zero blacklists and no known campaign associations. The IP was not classified as a known attacker, spam source, or Tor exit node. Behavioral data showed zero honeypot hits and no enumeration strikes.
The surrounding subnet (65.100.20.135/24) maintained a clean classification with zero abuse density. Operational guidance recommended monitoring due to the clean residential context. The overall profile confidence was rated as very low.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | CenturyLink Communications, LLC |
| ASN | AS209 |
| Network Name | CENTURYLINK-LEGACY-QWEST-INET-115 |
| CIDR Block | 65.100.0.0/14 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 65-100-20-135.cdrr.qwest.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 65-100-20-135.cdrr.qwest.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | 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 (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-15 21:15:46 UTC |
| Last Seen | 2026-09-15 21:15:46 UTC |
| Profile Built | 2026-09-15 21:25:45 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.