3.221.56.145 is an IPv4 address operated by Amazon Data Services Northern Virginia (AS14618), geolocated to Ashburn, United States. Its reverse DNS name is ec2-3-221-56-145.compute-1.amazonaws.com. As of November 1, 2026, IPDebrief rates it Moderate Risk (60/100); 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 | ec2-3-221-56-145.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-221-56-145.compute-1.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 6/8 domains |
| DMARC | 5/8 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 8 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | fls-na.amazon.comfls-na.amazon.com.mxgateway.prod.us-east-1.forester.a2z.comfls-na.amazon.clfls-na.amazon.com.brfls-na.amazon.cafls-na.amazon.com.coendpoint.prod.us-east-1.forester.a2z.com |
| Valid From | 2026-08-04T00:00:00+00:00 |
| Valid Until | 2027-02-17T23:59:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 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 | 27% | 2 | 3 |
| routing | 38% | 4 | 5 |
| services | 27% | 2 | 3 |
| ownership | 30% | 3 | 4 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 27% | 14 | 20 |
| Data Coherence | Mostly Consistent (82%) — 1 contradiction(s) |
| Attribution | High (85%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-15 21:54:26 UTC |
| Last Seen | 2026-11-01 07:42:12 UTC |
| Profile Built | 2026-11-01 07:44:08 UTC |
| Data Freshness | Live |
| Signal Types | 29 |
| Total Observations | 39 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 3.221.56.145
Who owns the IP address 3.221.56.145?
3.221.56.145 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 3.221.56.145 located?
Geolocation data places 3.221.56.145 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 3.221.56.145 malicious or safe?
3.221.56.145 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 3.221.56.145?
The reverse DNS (PTR) record for 3.221.56.145 is ec2-3-221-56-145.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 3.221.56.145?
Responsive ports observed on 3.221.56.145 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.