155.102.176.121
🏢 Ownership & Registration
| Organization | Alibaba Cloud LLC |
| ASN | AS24429 |
| Network Name | AL-3 |
| CIDR Block | 155.102.0.0/16 |
| RIR | ARIN |
| Country | United States |
| 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 Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.certfallback.comcertfallback.com |
| Valid From | 2026-07-30T14:26:28+00:00 |
| Valid Until | 2027-02-14T14:26:28+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 199 days |
🛡️ Public Network Snapshot
| Origin ASN | AS24429 |
| Network Prefix | 155.102.176.0/24 |
| Route mapping | Found |
| 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 | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 50% | 2 | 3 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 28% | 8 | 10 |
| Data Coherence | Contradictory (48%) — 3 contradiction(s) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Geo sources disagree on country: CN, US
⚠ TLS certificate claims CN but primary geo says US
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-30 23:07:21 UTC |
| Last Seen | 2026-10-06 10:33:05 UTC |
| Profile Built | 2026-10-03 23:12:29 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 155.102.176.121
Who owns the IP address 155.102.176.121?
155.102.176.121 is registered to Alibaba Cloud LLC. The address falls within the 155.102.0.0/16 network block. Registration is held at ARIN.
Where is 155.102.176.121 located?
Geolocation data places 155.102.176.121 in VA. 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 155.102.176.121 malicious or safe?
155.102.176.121 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 155.102.176.121?
Responsive ports observed on 155.102.176.121 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 155.102.176.121 a VPN, proxy, or data center address?
155.102.176.121 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.