72.163.0.178
Intelligence Briefing: 72.163.0.178/32
The IP address was registered to Cisco Systems, Inc. (AS109) within the 72.163.0.0/16 block. Geolocation data indicated a presence in Richardson, Texas, United States; however, this claim contradicted RTT physics measurements showing a distance of 7978.6 km against a minimum possible RTT of 159.6 ms.
Network services identified Port 443 (HTTPS) as open, running nginx/1.25.4. The TLS certificate was issued for CN=nxos, OU=dcnxos, O=Cisco Systems Inc., L=San Jose, S=CA, C=US. The asset was classified as a Web Server with a low-risk reputation (Risk Score: 20). No blacklists, known campaigns, or active attacker indicators were observed.
Control plane analysis noted a BGP prefix of 72.163.0.0/18 with route stability marked as false. The neighborhood classification for the /24 subnet remained clean with zero threat siblings. Overall confidence was rated Very Low (0.225). Assessment concluded the asset requires monitoring due to signal contradictions, with a severity rating of low.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | CISCO SYSTEMS, INC. |
| ASN | AS109 |
| Network Name | CISCO-GEN-7 |
| CIDR Block | 72.163.0.0/16 |
| 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 | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
CN=nxos, OU=dcnxos, O=Cisco Systems Inc., L=San Jose, S=CA, C=US was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.| SANs | None |
| Valid From | 2026-09-16T08:00:05+00:00 |
| Valid Until | 2026-09-17T08:00:05+00:00 (expired) |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 1 days |
🛡️ Public Network Snapshot
| Origin ASN | AS109 |
| Network Prefix | 72.163.0.0/18 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
| HSTS | Enabled |
| CSP | Enabled |
| 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 | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 6 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-28 19:17:31 UTC |
| Last Seen | 2026-09-28 19:17:31 UTC |
| Profile Built | 2026-09-28 19:29:34 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 72.163.0.178
Who owns the IP address 72.163.0.178?
72.163.0.178 is registered to CISCO SYSTEMS, INC.. The address falls within the 72.163.0.0/16 network block. Registration is held at ARIN.
Where is 72.163.0.178 located?
Geolocation data places 72.163.0.178 in Dallas, US-TX, United States. The local time zone is America/Chicago. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 72.163.0.178 malicious or safe?
72.163.0.178 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 72.163.0.178?
Responsive ports observed on 72.163.0.178 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.