173.36.112.154
🏢 Ownership & Registration
| Organization | CISCO SYSTEMS, INC. |
| ASN | AS109 |
| Network Name | CISCO-GEN-8 |
| CIDR Block | 173.36.0.0/14 |
| 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 | 2026-09-11T07:37:43+00:00 |
| Valid Until | 2026-09-12T07:37:43+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 | 173.36.0.0/17 |
| Route mapping | Found |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 14% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-28 19:52:06 UTC |
| Last Seen | 2026-09-28 19:52:06 UTC |
| Profile Built | 2026-09-28 20:02:48 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 16 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 173.36.112.154
Who owns the IP address 173.36.112.154?
173.36.112.154 is registered to CISCO SYSTEMS, INC.. The address falls within the 173.36.0.0/14 network block. Registration is held at ARIN.
Where is 173.36.112.154 located?
Geolocation data places 173.36.112.154 in Allen, DE, United States. 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 173.36.112.154 malicious or safe?
173.36.112.154 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 173.36.112.154?
Responsive ports observed on 173.36.112.154 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.