216.66.64.138
216.66.64.138 is an IPv4 address operated by HURRICANE - Hurricane Electric LLC, US (AS6939), with approximate network location Boston, United States. Its reverse DNS name is 6to4.ash1.he.net. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Hurricane Electric LLC |
| ASN | AS6939 |
| Network Name | HURRICANE-6 |
| CIDR Block | 216.66.0.0/18 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | HURRICANE - Hurricane Electric LLC, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 6to4.ash1.he.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Not checked |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | — |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS6939 |
| Network Prefix | 216.66.64.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 27% | 2 | 3 |
| services | 19% | 2 | 2 |
| ownership | 30% | 3 | 4 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 26% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-10-15 15:32:19 UTC |
| Last Seen | 2026-11-01 12:34:32 UTC |
| Profile Built | 2026-11-14 05:57:49 UTC |
| Data Freshness | Aging |
| Signal Types | 27 |
| Total Observations | 29 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 216.66.64.138
Who owns the IP address 216.66.64.138?
216.66.64.138 is registered to Hurricane Electric LLC. The address falls within the 216.66.0.0/18 network block. Registration is held at ARIN.
Where is 216.66.64.138 located?
Geolocation data places 216.66.64.138 in Boston. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 216.66.64.138 malicious or safe?
216.66.64.138 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 216.66.64.138?
The reverse DNS (PTR) record for 216.66.64.138 is 6to4.ash1.he.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 216.66.64.138?
Responsive ports observed on 216.66.64.138 include 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.