66.228.40.100
66.228.40.100 is an IPv4 address operated by AKAMAI-LINODE-AP - Akamai Connected Cloud, SG (AS63949), with approximate network location Cedar Knolls, United States. It belongs to datacenter or hosting infrastructure. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Linode |
| ASN | AS63949 |
| Network Name | LINODE |
| CIDR Block | 66.228.32.0/19 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AKAMAI-LINODE-AP - Akamai Connected Cloud, SG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| 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 found at queried name com |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 100.40.228.66.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Single-Service Host |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | Banner detected |
| 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 | AS63949 |
| Network Prefix | 66.228.32.0/20 |
| Route mapping | Found |
| RPKI Status | Valid |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 28% | 2 | 4 |
| Overall | 20% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-07-16 10:37:00 UTC |
| Last Seen | 2026-11-06 05:58:08 UTC |
| Profile Built | 2026-11-14 14:11:59 UTC |
| Data Freshness | Recent |
| Signal Types | 28 |
| Total Observations | 39 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 66.228.40.100
Who owns the IP address 66.228.40.100?
66.228.40.100 is registered to Linode. The address falls within the 66.228.32.0/19 network block. Registration is held at ARIN.
Where is 66.228.40.100 located?
Geolocation data places 66.228.40.100 in Cedar Knolls, NJ, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 66.228.40.100 malicious or safe?
66.228.40.100 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 ports are open on 66.228.40.100?
Responsive ports observed on 66.228.40.100 include 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 66.228.40.100 a VPN, proxy, or data center address?
66.228.40.100 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.