3.211.78.176
3.211.78.176 is an IPv4 address operated by Amazon Data Services Northern Virginia (AS14618), geolocated to Ashburn, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-3-211-78-176.compute-1.amazonaws.com. As of November 3, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 3.208.0.0/12 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-211-78-176.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-211-78-176.compute-1.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 4/6 domains |
| DMARC | 1/6 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 6 domains |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | public1.adgear.com*.adgear.com*.adgrx.com*.admin.adgear.com*.dsp.samsungads.com*.email-samsung.com*.pre-prod.dsp.samsungads.com*.pre-prod.trader.adgear.com*.samsungacr.com*.samsungads.com |
| Valid From | 2026-10-05T00:00:00+00:00 |
| Valid Until | 2027-04-21T23:59:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 3.208.0.0/12 |
| Route mapping | Found |
| RPKI Status | Valid |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 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 | High (85%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-17 23:23:31 UTC |
| Last Seen | 2026-11-03 10:12:18 UTC |
| Profile Built | 2026-11-03 10:20:39 UTC |
| Data Freshness | Live |
| Signal Types | 27 |
| Total Observations | 33 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 3.211.78.176
Who owns the IP address 3.211.78.176?
3.211.78.176 is registered to Amazon Data Services Northern Virginia. The address falls within the 3.208.0.0/12 network block. Registration is held at ARIN.
Where is 3.211.78.176 located?
Geolocation data places 3.211.78.176 in Ashburn, VA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 3.211.78.176 malicious or safe?
3.211.78.176 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 3.211.78.176?
The reverse DNS (PTR) record for 3.211.78.176 is ec2-3-211-78-176.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 3.211.78.176?
Responsive ports observed on 3.211.78.176 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 3.211.78.176 a VPN, proxy, or data center address?
3.211.78.176 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.