172.104.208.154
172.104.208.154 is an IPv4 address operated by Linode (AS63949), geolocated to Cedar Knolls, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name 172-104-208-154.ip.linodeusercontent.com. As of November 5, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Linode |
| ASN | AS63949 |
| Network Name | LINODE |
| CIDR Block | 172.104.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 172-104-208-154.ip.linodeusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 172-104-208-154.ip.linodeusercontent.com |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 2 — Moderate operator sophistication with routing hygiene |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS63949 |
| Network Prefix | 172.104.208.0/20 |
| Route mapping | Found |
| RPKI Status | Valid |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 4 |
| routing | 35% | 4 | 5 |
| services | 25% | 2 | 4 |
| ownership | 30% | 3 | 5 |
| reputation | 22% | 1 | 3 |
| geolocation | 20% | 2 | 3 |
| Overall | 26% | 14 | 24 |
| Data Coherence | Consistent (100%) |
| Attribution | High (100%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:11 UTC |
| Last Seen | 2026-11-05 10:17:51 UTC |
| Profile Built | 2026-11-05 10:19:06 UTC |
| Data Freshness | Live |
| Signal Types | 30 |
| Total Observations | 36 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.104.208.154
Who owns the IP address 172.104.208.154?
172.104.208.154 is registered to Linode. The address falls within the 172.104.0.0/16 network block. Registration is held at ARIN.
Where is 172.104.208.154 located?
Geolocation data places 172.104.208.154 in Cedar Knolls, New Jersey, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 172.104.208.154 malicious or safe?
172.104.208.154 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 172.104.208.154?
The reverse DNS (PTR) record for 172.104.208.154 is 172-104-208-154.ip.linodeusercontent.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 172.104.208.154 a VPN, proxy, or data center address?
172.104.208.154 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.