169.228.57.44
169.228.57.44 is an IPv4 address operated by University of California, San Diego (AS7377), geolocated to San Diego, United States. Its reverse DNS name is unexprdextwww23.ucsd.edu. As of November 2, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence Briefing: 169.228.57.44
The address 169.228.57.44 is associated with the University of California, San Diego (UCSD-NET-169-228) under ASN 7377. The asset was classified as Low Risk with a risk score of 25. No active threat indicators or known attack campaigns were detected, though the address appeared on one DNSBL feed.
Standard web services were observed on TCP ports 80 and 443, with a server banner indicating Microsoft-HTTPAPI/2.0. DNS resolution confirmed the hostname unexprdextwww23.ucsd.edu, and email authentication records for SPF and DMARC were present.
Validation analysis identified a discrepancy between claimed geolocation and network physics, noting a measured RTT of 80ms against a theoretical minimum of 181.8ms for the 9087.3km distance. Operational recommendations suggest monitoring the asset due to signal contradictions.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | University of California, San Diego |
| ASN | AS7377 |
| Network Name | UCSD-NET-169-228 |
| CIDR Block | 169.228.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | unexprdextwww23.ucsd.edu |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | unexprdextwww23.ucsd.edu |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | 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 |
|---|---|---|---|
| 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 | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7377 |
| Network Prefix | 169.228.0.0/16 |
| Route mapping | Found |
🎯 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 | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 19:01:09 UTC |
| Last Seen | 2026-11-02 07:45:30 UTC |
| Profile Built | 2026-11-02 21:03:51 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 169.228.57.44
Who owns the IP address 169.228.57.44?
169.228.57.44 is registered to University of California, San Diego. The address falls within the 169.228.0.0/16 network block. Registration is held at ARIN.
Where is 169.228.57.44 located?
Geolocation data places 169.228.57.44 in San Diego, California, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 169.228.57.44 malicious or safe?
169.228.57.44 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 169.228.57.44?
The reverse DNS (PTR) record for 169.228.57.44 is unexprdextwww23.ucsd.edu. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 169.228.57.44?
Responsive ports observed on 169.228.57.44 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.