208.90.58.19
208.90.58.19 is an IPv4 address announced by AS16417, with approximate network location Las Vegas, United States. Its reverse DNS name is abnp.ironport.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Cisco Systems Ironport Division |
| ASN | AS16417 |
| Network Name | NETWORK-IRONPORT-SYSTEMS-2 |
| CIDR Block | 208.90.56.0/21 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | abnp.ironport.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | abnp.ironport.com |
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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ 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
| SANs | abnp.ironport.com |
| Valid From | 2026-08-17T14:27:12+00:00 |
| Valid Until | 2027-03-04T14:26:12+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16417 |
| Network Prefix | 208.90.58.0/24 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 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 (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-10-17 18:51:59 UTC |
| Last Seen | 2026-11-02 11:35:04 UTC |
| Profile Built | 2026-11-12 17:50:00 UTC |
| Data Freshness | Aging |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 208.90.58.19
Who owns the IP address 208.90.58.19?
208.90.58.19 is registered to Cisco Systems Ironport Division. The address falls within the 208.90.56.0/21 network block. Registration is held at ARIN.
Where is 208.90.58.19 located?
Geolocation data places 208.90.58.19 in Las Vegas, US-NV, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 208.90.58.19 malicious or safe?
208.90.58.19 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 208.90.58.19?
The reverse DNS (PTR) record for 208.90.58.19 is abnp.ironport.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 208.90.58.19?
Responsive ports observed on 208.90.58.19 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.