66.42.100.208
66.42.100.208 is an IPv4 address operated by AS-VULTR - The Constant Company, LLC, US (AS20473), with approximate network location Los Angeles, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name 66.42.100.208.vultrusercontent.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Vultr Holdings, LLC |
| ASN | AS20473 |
| Network Name | NET-66-42-100-0-23 |
| CIDR Block | 66.42.100.0/23 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AS-VULTR - The Constant Company, LLC, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 66.42.100.208.vultrusercontent.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 66.42.100.208.vultrusercontent.com |
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 found at queried name com |
| spf | Unknown / lookup inconclusive 66.42.100.208.vultrusercontent.com |
| dmarc | Unknown / lookup inconclusive _dmarc.66.42.100.208.vultrusercontent.com |
| dnssec | Unknown / lookup inconclusive 208.100.42.66.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 66.42.100.208.vultrusercontent.com |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS20473 |
| Network Prefix | 66.42.96.0/20 |
| 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 | 13% | 1 | 1 |
| services | 35% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 27% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-07 06:28:13 UTC |
| Last Seen | 2026-11-09 20:37:11 UTC |
| Profile Built | 2026-11-13 06:23:23 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 37 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 66.42.100.208
Who owns the IP address 66.42.100.208?
66.42.100.208 is registered to Vultr Holdings, LLC. The address falls within the 66.42.100.0/23 network block. Registration is held at ARIN.
Where is 66.42.100.208 located?
Geolocation data places 66.42.100.208 in Los Angeles, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 66.42.100.208 malicious or safe?
66.42.100.208 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 66.42.100.208?
The reverse DNS (PTR) record for 66.42.100.208 is 66.42.100.208.vultrusercontent.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 66.42.100.208?
Responsive ports observed on 66.42.100.208 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 66.42.100.208 a VPN, proxy, or data center address?
66.42.100.208 is classified as hosting infrastructure based on network ownership and behavioural analysis.