169.228.57.42
169.228.57.42 is an IPv4 address operated by University of California, San Diego (AS7377), geolocated to La Jolla, United States. Its reverse DNS name is unex-shibboleth.ucsd.edu. As of November 1, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.
🏢 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 | unex-shibboleth.ucsd.edu |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | unex-shibboleth.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 | www.unex-shibboleth.ucsd.eduunex-shibboleth.ucsd.edu |
| Valid From | 2026-10-12T21:55:50+00:00 |
| Valid Until | 2027-04-29T21:55:50+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384RSA |
| Validity Period | 199 days |
🛡️ Public Network Snapshot
| Origin ASN | AS7377 |
| Network Prefix | 169.228.0.0/16 |
| 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 | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 36% | 2 | 3 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 29% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 18:01:11 UTC |
| Last Seen | 2026-11-01 15:54:49 UTC |
| Profile Built | 2026-11-01 15:58:44 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 169.228.57.42
Who owns the IP address 169.228.57.42?
169.228.57.42 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 169.228.57.42 located?
Geolocation data places 169.228.57.42 in La Jolla, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 169.228.57.42 malicious or safe?
169.228.57.42 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 169.228.57.42?
The reverse DNS (PTR) record for 169.228.57.42 is unex-shibboleth.ucsd.edu. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 169.228.57.42?
Responsive ports observed on 169.228.57.42 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.