209.191.65.105
209.191.65.105 is an IPv4 address operated by Yahoo Holdings Inc. (AS10310), geolocated to New York, United States. Its reverse DNS name is ae-21.pat1.gqb.yahoo.com. As of November 1, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence assessment of IP 209.191.65.105 identified ownership by Yahoo Holdings Inc. (ASN 10310) within the 209.191.64.0/18 block, geolocated to New York, US. Forward DNS resolution confirmed the hostname ae-21.pat1.gqb.yahoo.com with yahoo.com. The asset was classified as a Suspicious Host with a Low Risk reputation score of 25.
Technical analysis indicated the network role as Firewalled with no open ports. Despite a general blacklist count of zero, one DNSBL listing was recorded in the control plane. A significant contradiction existed between the claimed geolocation and RTT physics measurements, resulting in a Very Low overall confidence score of 0.1833. Neighborhood analysis for the 209.191.65.105/24 subnet showed mixed classification with an abuse density of 0.2857 and
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Yahoo Holdings Inc. |
| ASN | AS10310 |
| Network Name | A-YAHOO-US3 |
| CIDR Block | 209.191.64.0/18 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ae-21.pat1.gqb.yahoo.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ae-21.pat1.gqb.yahoo.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS10310 |
| Network Prefix | 209.191.64.0/20 |
| Route mapping | Found |
🎯 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 | 35% | 2 | 2 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 18% | 5 | 5 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 10:54:02 UTC |
| Last Seen | 2026-11-01 16:11:15 UTC |
| Profile Built | 2026-11-01 16:14:12 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 209.191.65.105
Who owns the IP address 209.191.65.105?
209.191.65.105 is registered to Yahoo Holdings Inc.. The address falls within the 209.191.64.0/18 network block. Registration is held at ARIN.
Where is 209.191.65.105 located?
Geolocation data places 209.191.65.105 in New York, NY, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 209.191.65.105 malicious or safe?
209.191.65.105 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 209.191.65.105?
The reverse DNS (PTR) record for 209.191.65.105 is ae-21.pat1.gqb.yahoo.com. This hostname is forward-confirmed, meaning it resolves back to the same address.