# 169.228.57.44 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/169.228.57.44
- Last updated: 2026-11-02

## Ownership

- Organization: University of California, San Diego
- Network name: UCSD-NET-169-228
- Allocated block: 169.228.0.0/16
- ASN: AS7377 (https://ipdebrief.com/asn/7377)
- Regional registry: ARIN

## Location

- City: San Diego
- Region: California
- Country: United States
- Time zone: —

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- unexprdextwww23.ucsd.edu
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## Analyst narrative

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.

## Nearby addresses

- 169.228.57.42 (https://ipdebrief.com/169.228.57.42)
- 169.228.57.82 (https://ipdebrief.com/169.228.57.82)
- 169.228.57.144 (https://ipdebrief.com/169.228.57.144)

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Source: IPDebrief, "169.228.57.44 IP intelligence", https://ipdebrief.com/169.228.57.44, updated 2026-11-02. Assessments are probabilistic.