66.196.67.123
66.196.67.123 is an IPv4 address operated by Yahoo Holdings Inc. (AS10310), geolocated to New York, United States. Its reverse DNS name is et-18-0-8.msr1.gq2.yahoo.com. As of October 27, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Yahoo Holdings Inc. |
| ASN | AS10310 |
| Network Name | INKTOMI-BLK-3 |
| CIDR Block | 66.196.64.0/18 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | et-18-0-8.msr1.gq2.yahoo.com |
| 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 | 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 | 66.196.64.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 50% | 2 | 3 |
| Overall | 32% | 9 | 11 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 11:32:12 UTC |
| Last Seen | 2026-10-27 11:32:12 UTC |
| Profile Built | 2026-10-27 11:47:16 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 66.196.67.123
Who owns the IP address 66.196.67.123?
66.196.67.123 is registered to Yahoo Holdings Inc.. The address falls within the 66.196.64.0/18 network block. Registration is held at ARIN.
Where is 66.196.67.123 located?
Geolocation data places 66.196.67.123 in New York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 66.196.67.123 malicious or safe?
66.196.67.123 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 66.196.67.123?
The reverse DNS (PTR) record for 66.196.67.123 is et-18-0-8.msr1.gq2.yahoo.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.